United States Natural Resources Water and Climate Center
Department of Conservation Portland, Oregon
Agriculture Service
S N O W - P R E C I P I T A T I O N U P D A T E
Based on Mountain Data from NRCS SNOTEL Sites
As of MONDAY: MAY 20 , 2013
-----------------------------------------------------------------------------
STATE PERCENT OF Normal
RIVER BASIN Number Snow Water Accum
of Sites Equivalent Precip
-----------------------------------------------------------------------------
ALASKA
ANCHORAGE/SHIP CREEK BASIN ................... 4 of 4 152 102
SUSITNA BASIN ................................ 3 of 6 398* 118
NORTHERN KENAI MOUNTAINS ..................... 7 of 7 151* 77
SOUTHERN KENAI ............................... 3 of 6 364* 71
COPPER BASIN ................................. 3 of 4 285 94
PRINCE WILLIAM SOUND ......................... 0 of 6 * 100
CHENA BASIN .................................. 5 of 7 657* 101
UPPER TANANA ................................. 2 of 4 * 74
KOYUKUK BASIN ................................ 2 of 4 * 67
CENTRAL YUKON BASIN .......................... 0 of 4 * 99
SEWARD PENINSULA ............................. 0 of 2 * 67
KUPARUK-SAGAVANIRKTOK RIVER BASIN ............ 0 of 3 * 105
NORTHWEST ARCTIC RIVER BASIN ................. 0 of 1 * *
SOUTHEAST ALASKA BASIN ....................... 1 of 2 184 99
ARIZONA
VERDE RIVER BASIN ............................ 3 of 10 * *
SAN FRANCISCO PEAKS .......................... 0 of 1 * *
CENTRAL MOGOLLON RIM ......................... 3 of 4 * *
LITTLE COLORADO - SOUTHERN HEADWATERS ........ 5 of 6 * *
UPPER SALT RIVER BASIN / WHITE MOUNTAINS ..... 6 of 8 * *
SAN FRANCISCO / UPPER GILA RIVER BASIN ....... 7 of 8 * *
CHUSKA MOUNTAINS ............................. 0 of 2 * *
CALIFORNIA
NORTHERN GREAT BASIN ......................... 3 of 5 4* 74
TRUCKEE RIVER ................................ 8 of 8 25* 74
LAKE TAHOE ................................... 8 of 8 1* 84
CARSON RIVER ................................. 9 of 9 1* 74
WALKER RIVER ................................. 6 of 6 45 74
KLAMATH ...................................... 16 of 18 13* 86
COLORADO
GUNNISON RIVER BASIN ......................... 13 of 16 62* 77
UPPER COLORADO RIVER BASIN ................... 27 of 31 101* 91
SOUTH PLATTE RIVER BASIN ..................... 15 of 20 117 95
LARAMIE AND NORTH PLATTE RIVER BASINS ........ 11 of 12 73 95
YAMPA AND WHITE RIVER BASINS ................. 19 of 20 70 86
ARKANSAS RIVER BASIN ......................... 7 of 9 71* 75
UPPER RIO GRANDE BASIN ....................... 11 of 16 24* 68
SAN MIGUEL, DOLORES, ANIMAS
AND SAN JUAN RIVER BASIN .................. 16 of 18 24* 68
IDAHO
NORTHERN PANHANDLE REGION .................... 10 of 10 85 110
SPOKANE RIVER BASIN .......................... 10 of 10 73 100
CLEARWATER BASIN ............................. 14 of 16 75 99
SALMON BASIN ................................. 21 of 22 45 88
WEISER BASIN ................................. 4 of 4 25* 91
PAYETTE BASIN ................................ 11 of 11 23 89
BOISE BASIN .................................. 10 of 10 34 80
BIG WOOD BASIN ............................... 9 of 9 46 84
LITTLE WOOD BASIN ............................ 5 of 5 32 83
BIG LOST BASIN ............................... 4 of 5 29 83
LITTLE LOST, BIRCH BASINS .................... 3 of 4 55 82
MEDICINE LODGE, BEAVER, CAMAS BASINS ......... 3 of 4 50 82
HENRYS FORK, TETON BASINS .................... 8 of 8 53 89
SNAKE BASIN ABOVE PALISADES .................. 18 of 18 56 88
WILLOW, BLACKFOOT, PORTNEUF BASINS ........... 6 of 6 7* 90
SNAKE BASIN ABOVE AMERICAN FALLS ............. 29 of 29 58 89
RAFT BASIN ................................... 1 of 2 0 90
GOOSE CREEK BASIN ............................ 2 of 2 * 93
SALMON FALLS BASIN ........................... 5 of 5 40* 91
BRUNEAU BASIN ................................ 5 of 5 40* 87
OWYHEE BASIN ................................. 8 of 8 * 79
BEAR RIVER BASIN ............................. 15 of 15 41 84
MONTANA
KOOTENAI RIVER BASIN ......................... 8 of 8 83 110
FLATHEAD RIVER BASIN ......................... 12 of 16 93* 112
UPPER CLARK FORK RIVER BASIN ................. 12 of 15 52 90
BITTERROOT RIVER BASIN ....................... 6 of 7 54 95
LOWER CLARK FORK RIVER BASIN ................. 8 of 8 74 105
JEFFERSON RIVER BASIN ........................ 18 of 19 55 85
MADISON RIVER BASIN .......................... 11 of 11 61 88
GALLATIN RIVER BASIN ......................... 7 of 7 73 97
MISSOURI HEADWATERS .......................... 30 of 31 58 88
HEADWATERS MISSOURI MAINSTEM ................. 5 of 5 46 96
SMITH, JUDITH, AND MUSSELSHELL RIVER BASINS .. 9 of 10 56 92
SUN, TETON AND MARIAS RIVER BASINS ........... 5 of 6 83* 105
MISSOURI MAINSTEM RIVER BASIN ................ 19 of 21 63* 98
ST. MARY AND MILK RIVER BASINS ............... 3 of 3 106* 120
UPPER YELLOWSTONE RIVER BASIN ................ 23 of 24 62 91
WIND RIVER BASIN (WYOMING) ................... 12 of 13 50 78
SHOSHONE RIVER BASIN (WYOMING) ............... 5 of 6 57 95
BIGHORN RIVER BASIN (WYOMING) ................ 15 of 16 60 93
TONGUE RIVER BASIN (WYOMING) ................. 6 of 7 62 83
POWDER RIVER BASIN (WYOMING) ................. 6 of 7 67 96
LOWER YELLOWSTONE RIVER BASIN ................ 31 of 35 58 86
NEVADA
NORTHERN GREAT BASIN ......................... 3 of 5 4* 74
SNAKE RIVER .................................. 3 of 3 40 85
OWYHEE RIVER ................................. 5 of 6 * 78
UPPER HUMBOLDT RIVER ......................... 5 of 5 50* 74
LOWER HUMBOLDT RIVER ......................... 5 of 7 14* 76
CLOVER VALLEY ................................ 1 of 1 25* 66
EASTERN NEVADA ............................... 3 of 8 * *
NEW MEXICO
RIO CHAMA RIVER BASIN ........................ 2 of 4 * 61
UPPER RIO GRANDE BASIN ....................... 8 of 9 19 68
SANGRE DE CRISTO MOUNTAIN RANGE BASINS ....... 9 of 9 4* 62
JEMEZ RIVER BASIN ............................ 2 of 3 * 53
SAN FRANCISCO RIVER BASIN .................... 3 of 3 * *
GILA RIVER BASIN ............................. 3 of 3 * 52
MIMBRES RIVER BASIN .......................... 2 of 2 * 46
PECOS RIVER BASIN ............................ 1 of 1 5 54
SAN JUAN RIVER HEADWATERS .................... 5 of 5 20 70
ANIMAS RIVER BASIN ........................... 7 of 7 20 65
CIMARRON RIVER BASIN ......................... 2 of 2 * 63
ZUNI/BLUEWATER RIVER BASIN ................... 1 of 1 * *
RIO HONDO BASIN .............................. 0 of 1 * 50
CHUSKA MOUNTAINS ............................. 0 of 1 * *
OREGON
OWYHEE ....................................... 8 of 8 * 79
MALHEUR ...................................... 3 of 3 * 82
GRANDE RONDE, POWDER, BURNT, IMNAHA .......... 16 of 17 54* 93
UMATILLA, WALLA WALLA, WILLOW ................ 6 of 8 1* 95
JOHN DAY ..................................... 12 of 13 * 86
UPPER DESCHUTES, CROOKED ..................... 13 of 14 44* 90
HOOD, SANDY, LOWER DESCHUTES ................. 7 of 8 54 100
COAST RANGE .................................. 1 of 2 * 88
WILLAMETTE ................................... 18 of 23 43* 93
ROGUE, UMPQUA ................................ 12 of 12 32 91
KLAMATH ...................................... 16 of 18 13* 86
LAKE COUNTY, GOOSE LAKE ...................... 8 of 9 5* 82
HARNEY ....................................... 9 of 9 1* 82
UTAH
RAFT RIVER ................................... 1 of 2 0 90
BEAR RIVER ................................... 18 of 24 35* 83
WEBER-OGDEN RIVERS ........................... 17 of 20 40* 80
PROVO R.-UTAH LAKE-JORDAN R. ................. 15 of 17 40* 79
TOOELE VALLEY-VERNON CREEK ................... 3 of 4 97* 81
NORTHEASTERN UINTAHS ......................... 6 of 10 81* 93
DUCHESNE RIVER ............................... 12 of 13 76* 79
PRICE-SAN RAFAEL ............................. 6 of 10 68* 83
DIRTY DEVIL .................................. 3 of 4 * 79
SOUTH EASTERN UTAH ........................... 3 of 5 * 79
UPPER SEVIER RIVER ........................... 13 of 17 76* 81
SAN PITCH RIVER .............................. 4 of 11 * *
LOWER SEVIER RIVER ........................... 1 of 3 * *
BEAVER RIVER ................................. 2 of 2 75 78
ESCALANTE RIVER .............................. 3 of 3 * 84
SOUTHWESTERN UTAH ............................ 9 of 12 23* 70
WASHINGTON
NORTHERN PANHANDLE ........................... 10 of 10 85 110
SPOKANE ...................................... 10 of 10 73 100
UPPER COLUMBIA ............................... 5 of 6 88* 107
CENTRAL COLUMBIA ............................. 7 of 8 87* 99
UPPER YAKIMA ................................. 5 of 5 82 100
LOWER YAKIMA ................................. 7 of 9 73 98
LOWER SNAKE .................................. 21 of 22 73 98
LOWER COLUMBIA ............................... 16 of 22 98 103
SOUTH PUGET SOUND ............................ 7 of 10 110* 107
CENTRAL PUGET SOUND .......................... 8 of 9 136 111
NORTH PUGET SOUND ............................ 7 of 12 104 107
OLYMPIC ...................................... 3 of 4 119 100
WYOMING
SNAKE RIVER .................................. 20 of 20 60 88
MADISON-GALLATIN ............................. 5 of 5 51 84
YELLOWSTONE .................................. 13 of 13 64 90
WIND RIVER ................................... 11 of 12 51 78
BIGHORN BASIN ................................ 10 of 11 63 92
SHOSHONE RIVER ............................... 4 of 5 64 94
POWDER RIVER ................................. 6 of 7 67 96
TONGUE RIVER ................................. 6 of 7 62 83
BELLE FOURCHE ................................ 1 of 1 * 83
CHEYENNE RIVER BASIN ......................... 2 of 2 * 93
UPPER N. PLATTE .............................. 14 of 18 75 88
SWEETWATER ................................... 2 of 3 28 62
LOWER N. PLATTE .............................. 4 of 4 31 77
LARAMIE RIVER ................................ 6 of 6 77 88
S. PLATTE .................................... 2 of 3 87* 91
LITTLE SNAKE RIVER ........................... 7 of 8 65* 81
UPPER GREEN RIVER ............................ 12 of 13 53 83
LOWER GREEN RIVER ............................ 7 of 11 65* 88
UPPER BEAR RIVER ............................. 7 of 9 42* 81
-----------------------------------------------------------------------------
The Snow Water Equivalent Percent of Median represents the snow
water equivalent found at selected SNOTEL sites in or near the
basin compared to the Median value for those sites on this day.
The Accumulated Precipitation Percent of Average represents the
total precipitation (beginning October 1st) found at selected
SNOTEL sites in or near the basin compared to the Average value
for those sites on this day.
* = Data are not available or data may not provide a valid measure
of conditions for over half of the sites within the basin.
Refer to the individual state reports for a complete data
listing and basin analysis.
Units = inches for the Current and Normal Snow Water Equivalent and
Total Precipitation values
Reference period for comparison of conditions is 1981-2010.
Provisional data, subject to revision.
United States Natural Resources Water and Climate Center
Department of Conservation Portland, Oregon
Agriculture Service
S N O W - P R E C I P I T A T I O N U P D A T E
Based on Mountain Data from NRCS SNOTEL Sites
As of MONDAY: MAY 20 , 2013
------------------------------------------------------------------------------
BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION
Data Site Name (Ft) % %
Current Median Median Current Average Avg
------------------------------------------------------------------------------
ARIZONA
VERDE RIVER BASIN
BAKER BUTTE 7300 .0 .0 * -M 22.1 *
BAKER BUTTE SMT 7700 .0 -M * -M -M *
BAR M 6393 .0 -M * -M -M *
CHALENDER 7100 .0 -M * -M -M *
FORT VALLEY 7350 .2 -M * -M -M *
FRY 7200 .0 .0 * -M 19.3 *
HAPPY JACK 7630 .8 .0 * -M 19.2 *
MORMON MOUNTAIN 7500 -M .0 * -M 20.9 *
MORMON MTN SUMMIT 8500 .0 -M * -M -M *
WHITE HORSE LAKE 7180 -M .0 * -M 17.8 *
----- -----
Basin wide percent * *
SAN FRANCISCO PEAKS
SNOWSLIDE CANYON 9730 -M .0 * -M 25.0 *
----- -----
Basin wide percent * *
CENTRAL MOGOLLON RIM
BAKER BUTTE 7300 .0 .0 * -M 22.1 *
BAKER BUTTE SMT 7700 .0 -M * -M -M *
HEBER 7640 .3 .0 * -M 19.8 *
PROMONTORY 7930 .0 .0 * -M 25.9 *
----- -----
Basin wide percent * *
LITTLE COLORADO - SOUTHERN HEADWATERS
BAKER BUTTE 7300 .0 .0 * -M 22.1 *
BAKER BUTTE SMT 7700 .0 -M * -M -M *
BALDY 9125 .0 .0 * -M 16.4 *
HEBER 7640 .3 .0 * -M 19.8 *
MAVERICK FORK 9200 .0 .0 * -M 17.4 *
PROMONTORY 7930 .0 .0 * -M 25.9 *
----- -----
Basin wide percent * *
UPPER SALT RIVER BASIN / WHITE MOUNTAINS
BALDY 9125 .0 .0 * -M 16.4 *
BEAVER HEAD 7990 .2 .0 * -M 13.5 *
CORONADO TRAIL 8400 .0 .0 * -M 13.4 *
HANNAGAN MEADOWS 9020 .2 .0 * -M 19.2 *
MAVERICK FORK 9200 .0 .0 * -M 17.4 *
NUTRIOSO 8500 .0 -M * -M -M *
WILDCAT 7850 .1 .0 * -M 15.2 *
WORKMAN CREEK 6900 -M .0 * -M 25.1 *
----- -----
Basin wide percent * *
SAN FRANCISCO / UPPER GILA RIVER BASIN
BEAVER HEAD 7990 .2 .0 * -M 13.5 *
CORONADO TRAIL 8400 .0 .0 * -M 13.4 *
FRISCO DIVIDE 8000 .0 .0 * -M 10.9 *
HANNAGAN MEADOWS 9020 .2 .0 * -M 19.2 *
LOOKOUT MOUNTAIN 8500 .0 .0 * 5.9 9.8 60
NUTRIOSO 8500 .0 -M * -M -M *
SIGNAL PEAK 8360 .0 .0 * 7.2 15.5 46
SILVER CREEK DIVIDE 9000 .1 .0 * -M 20.1 *
----- -----
Basin wide percent * 52*
CHUSKA MOUNTAINS
BEAVER SPRING 9200 .0 -M * -M -M *
NAVAJO WHISKEY CK 9050 -M -M * -M -M *
----- -----
Basin wide percent * *
-----------------------------------------------------------------------------
-M = Missing data
* = Data may not provide a valid measure of conditions.
Units = inches for the Current and Normal Snow Water Equivalent and
Total Precipitation values
If the Basin wide percent value is flagged as potentially
invalid, care should be taken to evaluate if the value is representative
of conditions in the basin.
The SNOW WATER EQUIVALENT Percent of Median represents the snow water
equivalent found at selected SNOTEL sites in or near the basin compared to
the Median value for those sites on this day.
The TOTAL PRECIPITATION Percent of Average represents the total precipitation
(beginning October 1st) found at selected SNOTEL sites in or near the basin
compared to the Average value for those sites on this day.
Contact your state water supply staff for assistance.
Reference period for comparison of conditions is 1981-2010.
Provisional data, subject to revision.
United States Natural Resources Water and Climate Center
Department of Conservation Portland, Oregon
Agriculture Service
S N O W - P R E C I P I T A T I O N U P D A T E
Based on Mountain Data from NRCS SNOTEL Sites
As of MONDAY: MAY 20 , 2013
------------------------------------------------------------------------------
BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION
Data Site Name (Ft) % %
Current Median Median Current Average Avg
------------------------------------------------------------------------------
CALIFORNIA
NORTHERN GREAT BASIN
SHELDON 5860 .0 .0 * 6.8 7.5 91
DISASTER PEAK 6500 .0 .0 * 12.8 18.5 69
CEDAR PASS 7030 -M .0 * 22.6 29.7 76
DISMAL SWAMP 7360 .5 13.4 4 31.7 44.0 72
SUMMIT LK 7649 .0 -M * 14.9 -M *
----- -----
Basin wide percent 4* 74
TRUCKEE RIVER
MT ROSE SKI AREA 8801 .3 25.8 1 41.5 51.1 81
INDEPENDENCE LAKE 8352 21.5 37.9 57 34.9 44.1 79
BIG MEADOW 8249 .0 .0 * 22.1 28.8 77
SQUAW VALLEY G.C. 8029 .2 25.9 1 43.1 60.5 71
INDEPENDENCE CAMP 7003 .1 .0 * 19.0 30.6 62
CSS LAB 6855 .0 .9 0* 46.2 62.4 74
INDEPENDENCE CREEK 6456 .4 .0 * 20.4 30.1 68
TRUCKEE #2 6509 .2 .0 * 24.9 32.0 78
----- -----
Basin wide percent 25* 74
LAKE TAHOE
HEAVENLY VALLEY 8582 .0 .6 0* 26.2 30.3 86
HAGAN'S MEADOW 7776 .0 .0 * 24.2 27.9 87
MARLETTE LAKE 7880 .0 .0 * 26.2 31.0 85
ECHO PEAK 7670 .0 3.0 0* 44.8 54.9 82
RUBICON #2 7689 .0 4.5 0 30.1 38.8 78
TAHOE CITY CROSS 6797 .0 .0 * 28.6 33.8 85
WARD CREEK #3 6655 .1 2.1 5* 53.1 65.1 82
FALLEN LEAF 6236 .0 .0 * 27.8 29.3 95
----- -----
Basin wide percent 1* 84
CARSON RIVER
EBBETTS PASS 8765 .0 10.7 0 40.0 49.0 82
HORSE MEADOW 8557 .0 .0 * 18.9 24.6 77
CARSON PASS 8353 .3 17.0 2 31.2 44.6 70
MONITOR PASS 8310 .1 .0 * 16.1 20.0 80
BURNSIDE LAKE 8129 .0 .0 * 30.4 40.9 74
FORESTDALE CREEK 8017 .0 8.7 0 35.1 48.0 73
BLUE LAKES 8057 .1 18.3 1 27.7 40.9 68
POISON FLAT 7736 .0 .0 * 20.9 29.1 72
SPRATT CREEK 6115 .0 .0 * 21.7 28.4 76
----- -----
Basin wide percent 1* 74
WALKER RIVER
LEAVITT LAKE 9617 29.8 50.1 59 39.3 51.2 77
LOBDELL LAKE 9233 .0 .0 * 17.9 21.8 82
VIRGINIA LAKES RIDGE 9445 .0 4.9 0 17.2 24.6 70
SUMMIT MEADOW 9313 .0 3.2 0 15.8 22.1 71
SONORA PASS 8827 .0 8.2 0 23.2 33.4 69
LEAVITT MEADOWS 7198 .0 .0 * 21.8 28.6 76
----- -----
Basin wide percent 45 74
KLAMATH
FISH LK. 4660 .0 .0 * 37.3 39.7 94
CHEMULT ALTERNATE 4850 .0 .0 * 20.1 23.9 84
GERBER RESERVOIR 4890 .0 .0 * 11.0 14.1 78
TAYLOR BUTTE 5030 .0 .0 * 15.2 18.9 80
CROWDER FLAT 5170 .0 .0 * 14.6 16.4 89
BILLIE CREEK DIVIDE 5280 .5 .0 * 43.9 47.4 93
DIAMOND LAKE 5280 .0 .0 * 42.6 43.0 99
SUN PASS 5400 .0 -M * 26.5 -M *
SEVENMILE MARSH 5700 .0 11.1 0 47.1 57.3 82
QUARTZ MOUNTAIN 5720 .0 .0 * 16.2 15.3 106
SILVER CREEK 5740 .1 .0 * 15.8 23.2 68
STRAWBERRY 5770 .0 .0 * 17.5 19.9 88
COLD SPRINGS CAMP 5940 .0 8.1 0 42.4 50.9 83
FOURMILE LAKE 5970 .0 10.9 0 37.5 48.6 77
ANNIE SPRINGS 6010 7.3 33.5 22 53.7 64.6 83
CRAZYMAN FLAT 6180 .1 .0 * 28.3 33.2 85
SWAN LAKE MTN 6830 .0 -M * 23.6 -M *
SUMMER RIM 7080 .0 .0 * 21.7 25.0 87
----- -----
Basin wide percent 13* 86
-----------------------------------------------------------------------------
-M = Missing data
* = Data may not provide a valid measure of conditions.
Units = inches for the Current and Normal Snow Water Equivalent and
Total Precipitation values
If the Basin wide percent value is flagged as potentially
invalid, care should be taken to evaluate if the value is representative
of conditions in the basin.
The SNOW WATER EQUIVALENT Percent of Median represents the snow water
equivalent found at selected SNOTEL sites in or near the basin compared to
the Median value for those sites on this day.
The TOTAL PRECIPITATION Percent of Average represents the total precipitation
(beginning October 1st) found at selected SNOTEL sites in or near the basin
compared to the Average value for those sites on this day.
Contact your state water supply staff for assistance.
Reference period for comparison of conditions is 1981-2010.
Provisional data, subject to revision.
United States Natural Resources Water and Climate Center
Department of Conservation Portland, Oregon
Agriculture Service
S N O W - P R E C I P I T A T I O N U P D A T E
Based on Mountain Data from NRCS SNOTEL Sites
As of MONDAY: MAY 20 , 2013
------------------------------------------------------------------------------
BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION
Data Site Name (Ft) % %
Current Median Median Current Average Avg
------------------------------------------------------------------------------
COLORADO
GUNNISON RIVER BASIN
BUTTE 10160 .1 .4 25* 15.4 19.4 79
COCHETOPA PASS 10020 .0 .0 * 7.2 9.5 76
COLUMBINE PASS 9400 .0 .0 * 20.5 27.0 76
IDARADO 9800 .0 .0 * 15.7 23.3 67
MC CLURE PASS 9500 .0 .0 * 17.4 25.2 69
MESA LAKES 10000 5.7 4.8 119 24.3 26.4 92
OVERLAND RES. 9840 .2 .0 * 15.6 20.0 78
PARK CONE 9600 .0 .0 * 13.0 14.7 88
PARK RESERVOIR 9960 15.4 21.2 73 24.9 32.8 76
PORPHYRY CREEK 10760 2.9 5.1 57 14.4 19.7 73
RED MOUNTAIN PASS 11200 4.4 15.7 28 22.2 32.0 69
SARGENTS MESA 11530 5.1 -M * 13.9 -M *
SCHOFIELD PASS 10700 18.4 22.7 81 30.1 38.5 78
SLUMGULLION 11440 .7 7.3 10 13.4 17.2 78
UPPER TAYLOR 10640 2.4 -M * 18.9 -M *
WAGER GULCH 11100 .0 -M * 10.7 -M *
----- -----
Basin wide percent 62* 77
UPPER COLORADO RIVER BASIN
ARAPAHO RIDGE 10960 15.8 18.1 87 25.2 28.5 88
ARROW 9680 -M 6.1 * 11.6 18.7 62
BEAVER CK VILLAGE 8500 .0 .0 * 16.7 18.4 91
BERTHOUD SUMMIT 11300 18.3 16.7 110 28.2 29.6 95
BISON LAKE 10880 16.8 25.1 67 27.6 32.5 85
BUFFALO PARK 9240 7.5 .0 * 19.5 20.0 98
CHAPMAN TUNNEL 10110 7.7 -M * 18.1 -M *
COPPER MOUNTAIN 10550 9.8 6.9 142 19.2 20.7 93
ELLIOT RIDGE 10520 12.6 -M * 26.3 -M *
FOOL CREEK 11150 19.2 -M * 22.7 -M *
FREMONT PASS 11400 17.2 18.1 95 20.7 19.4 107
GRIZZLY PEAK 11100 12.0 8.8 136 19.6 22.5 87
HOOSIER PASS 11400 13.3 9.9 134 21.2 20.0 106
INDEPENDENCE PASS 10600 4.3 5.7 75 19.7 22.8 86
IVANHOE 10400 11.3 5.6 202 24.6 27.0 91
JONES PASS 10400 12.4 10.8 115 23.6 25.7 92
KILN 9600 .0 .0 * 16.2 18.3 89
LAKE IRENE 10700 17.7 19.3 92 26.5 26.5 100
LYNX PASS 8880 .0 .0 * 16.8 16.5 102
MC CLURE PASS 9500 .0 .0 * 17.4 25.2 69
MCCOY PARK 9480 .4 .0 * 21.8 21.1 103
MESA LAKES 10000 5.7 4.8 119 24.3 26.4 92
MIDDLE FORK CAMP 8940 .1 .0 * 19.6 18.1 108
NAST LAKE 8700 .0 .0 * 13.4 15.4 87
NORTH LOST TRAIL 9200 .6 .0 * 22.9 26.6 86
PHANTOM VALLEY 9030 .8 .0 * 17.3 17.5 99
SCHOFIELD PASS 10700 18.4 22.7 81 30.1 38.5 78
STILLWATER CREEK 8720 .1 .0 * 13.2 13.3 99
SUMMIT RANCH 9400 .0 .0 * 17.1 17.3 99
VAIL MOUNTAIN 10300 5.5 15.3 36 20.1 28.6 70
WILLOW CREEK PASS 9540 11.2 9.3 120 19.9 17.3 115
----- -----
Basin wide percent 101* 91
SOUTH PLATTE RIVER BASIN
BEAR LAKE 9500 10.8 13.7 79 22.9 25.1 91
BERTHOUD SUMMIT 11300 18.3 16.7 110 28.2 29.6 95
BLACK MOUNTAIN 8920 .0 -M * 16.9 -M *
BUCKSKIN JOE 11150 10.8 6.4 169 17.0 16.7 102
COPELAND LAKE 8600 .0 .0 * 16.9 18.3 92
DEADMAN HILL 10220 14.4 16.5 87 21.0 23.0 91
ECHO LAKE 10600 6.5 4.7 138 14.5 16.9 86
HOOSIER PASS 11400 13.3 9.9 134 21.2 20.0 106
HOURGLASS LAKE 9380 3.3 -M * 15.5 -M *
JACKWHACKER GULCH 10960 8.6 6.0 143 18.6 20.5 91
JOE WRIGHT 10120 -M 21.1 * -M 32.8 *
LAKE ELDORA 9700 .4 .0 * 21.8 21.5 101
LAKE IRENE 10700 17.7 19.3 92 26.5 26.5 100
LONG DRAW RESV 9980 12.4 -M * 20.7 -M *
LOVELAND BASIN 11400 20.4 18.2 112 22.6 23.2 97
MICHIGAN CREEK 10600 9.2 6.5 142 18.5 19.1 97
NIWOT 9910 10.8 5.0 216 20.7 21.6 96
ROUGH AND TUMBLE 10360 4.7 .1 4700* 11.2 11.9 94
UNIVERSITY CAMP 10300 16.5 15.5 106 24.2 26.6 91
WILLOW PARK 10700 -M 11.3 * 26.4 27.9 95
----- -----
Basin wide percent 117 95
LARAMIE AND NORTH PLATTE RIVER BASINS
ARAPAHO RIDGE 10960 15.8 18.1 87 25.2 28.5 88
COLUMBINE 9160 .0 3.0 0 27.8 30.6 91
DEADMAN HILL 10220 14.4 16.5 87 21.0 23.0 91
JOE WRIGHT 10120 -M 21.1 * -M 32.8 *
NEVER SUMMER 10280 17.0 20.3 84 18.4 -M *
RABBIT EARS 9400 10.8 17.4 62 33.6 37.2 90
RAWAH 9020 .1 .4 25* 20.2 18.9 107
ROACH 9700 9.3 11.5 81 21.9 24.7 89
TOWER 10500 31.7 47.7 66 -M 47.9 *
WHISKEY PARK 8950 11.5 21.9 53 31.3 33.9 92
WILLOW CREEK PASS 9540 11.2 9.3 120 19.9 17.3 115
ZIRKEL 9340 7.4 9.7 76 33.2 33.4 99
----- -----
Basin wide percent 73 95
YAMPA AND WHITE RIVER BASINS
BATTLE MOUNTAIN 7440 .4 .0 * 14.0 18.6 75
BEAR RIVER 9080 4.1 .8 512* 15.9 16.9 94
BISON LAKE 10880 16.8 25.1 67 27.6 32.5 85
BUFFALO PARK 9240 7.5 .0 * 19.5 20.0 98
BURRO MOUNTAIN 9400 .4 3.0 13 20.0 26.4 76
COLUMBINE 9160 .0 3.0 0 27.8 30.6 91
CROSHO 9100 .1 .0 * 21.0 19.9 106
DIVIDE PEAK 8880 -M 5.7 * 22.5 26.5 85
DRY LAKE 8400 .1 .0 * 25.6 30.9 83
ELK RIVER 8700 .0 .0 * 20.4 24.6 83
LITTLE SNAKE RIVER 8915 7.3 13.3 55 30.3 35.2 86
LOST DOG 9320 6.1 10.5 58 23.5 29.1 81
LYNX PASS 8880 .0 .0 * 16.8 16.5 102
OLD BATTLE 10000 24.5 32.5 75 33.5 42.1 80
RABBIT EARS 9400 10.8 17.4 62 33.6 37.2 90
RIPPLE CREEK 10340 19.2 18.3 105 29.0 32.0 91
SANDSTONE RS 8150 .1 .0 * 14.7 22.5 65
TOWER 10500 31.7 47.7 66 -M 47.9 *
TRAPPER LAKE 9700 1.0 7.5 13 20.8 25.7 81
WHISKEY PARK 8950 11.5 21.9 53 31.3 33.9 92
----- -----
Basin wide percent 70 86
ARKANSAS RIVER BASIN
APISHAPA 10000 .0 .0 * 10.0 17.4 57
BRUMLEY 10600 .6 .5 120* 13.3 17.0 78
FREMONT PASS 11400 17.2 18.1 95 20.7 19.4 107
GLEN COVE 11460 .7 3.5 20 12.7 19.8 64
HAYDEN PASS 10720 7.3 -M * 13.8 -M *
PORPHYRY CREEK 10760 2.9 5.1 57 14.4 19.7 73
SAINT ELMO 10540 .0 -M * 12.9 -M *
SOUTH COLONY 10800 8.1 14.4 56 22.3 26.9 83
WHISKEY CK 10220 .1 .0 * 13.4 21.6 62
----- -----
Basin wide percent 71* 75
UPPER RIO GRANDE BASIN
BEARTOWN 11600 .1 12.8 1 19.7 29.3 67
COCHETOPA PASS 10020 .0 .0 * 7.2 9.5 76
CULEBRA #2 10500 .0 .0 * 12.3 18.3 67
CUMBRES TRESTLE 10040 -M 5.7 * 19.7 30.2 65
GRAYBACK 11620 .0 .5 0* 13.8 22.1 62
HAYDEN PASS 10720 7.3 -M * 13.8 -M *
LILY POND 11000 .0 3.4 0 13.5 23.9 56
MEDANO PASS 9649 .0 .0 * 12.9 16.6 78
MIDDLE CREEK 11250 .0 11.2 0 20.1 28.0 72
MOON PASS 11140 .0 -M * 9.0 -M *
SARGENTS MESA 11530 5.1 -M * 13.9 -M *
TRINCHERA 10860 .0 .0 * 11.8 15.9 74
UPPER RIO GRANDE 9400 .2 .0 * 8.8 13.0 68
UTE CREEK 10650 .1 .0 * 16.2 23.1 70
WAGER GULCH 11100 .0 -M * 10.7 -M *
WOLF CREEK SUMMIT 11000 13.5 29.7 45 27.0 37.9 71
----- -----
Basin wide percent 24* 68
SAN MIGUEL, DOLORES, ANIMAS AND SAN JUAN RIVER BASINS
BLACK MESA 11580 15.0 -M * 22.9 -M *
CASCADE 8880 .1 .0 * 15.0 23.7 63
COLUMBUS BASIN 10785 3.8 14.6 26 20.8 32.4 64
EL DIENTE PEAK 10000 .0 .0 * 17.5 24.1 73
LIZARD HEAD PASS 10200 .0 1.6 0* 12.7 20.5 62
LONE CONE 9600 .0 .0 * 17.5 24.2 72
MANCOS 10000 .0 .0 * 15.2 20.8 73
MINERAL CREEK 10040 .0 .0 * 13.3 21.7 61
MOLAS LAKE 10500 .0 3.2 0 16.0 23.9 67
RED MOUNTAIN PASS 11200 4.4 15.7 28 22.2 32.0 69
SCOTCH CREEK 9100 .1 .0 * 14.2 21.0 68
SHARKSTOOTH 10720 .2 4.8 4 19.0 -M *
SPUD MOUNTAIN 10660 .0 5.1 0 23.6 34.8 68
STUMP LAKES 11200 1.8 12.0 15 14.8 23.9 62
UPPER SAN JUAN 10200 .3 16.4 2 27.3 39.8 69
VALLECITO 10880 .4 .6 67* 15.8 21.9 72
WEMINUCHE CREEK 10740 .0 -M * 20.5 -M *
WOLF CREEK SUMMIT 11000 13.5 29.7 45 27.0 37.9 71
----- -----
Basin wide percent 24* 68
-----------------------------------------------------------------------------
-M = Missing data
* = Data may not provide a valid measure of conditions.
Units = inches for the Current and Normal Snow Water Equivalent and
Total Precipitation values
If the Basin wide percent value is flagged as potentially
invalid, care should be taken to evaluate if the value is representative
of conditions in the basin.
The SNOW WATER EQUIVALENT Percent of Median represents the snow water
equivalent found at selected SNOTEL sites in or near the basin compared to
the Median value for those sites on this day.
The TOTAL PRECIPITATION Percent of Average represents the total precipitation
(beginning October 1st) found at selected SNOTEL sites in or near the basin
compared to the Average value for those sites on this day.
Contact your state water supply staff for assistance.
Reference period for comparison of conditions is 1981-2010.
Provisional data, subject to revision.
United States Natural Resources Water and Climate Center
Department of Conservation Portland, Oregon
Agriculture Service
S N O W - P R E C I P I T A T I O N U P D A T E
Based on Mountain Data from NRCS SNOTEL Sites
As of MONDAY: MAY 20 , 2013
------------------------------------------------------------------------------
BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION
Data Site Name (Ft) % %
Current Median Median Current Average Avg
------------------------------------------------------------------------------
IDAHO
NORTHERN PANHANDLE REGION
BEAR MOUNTAIN 5400 39.6 44.5 89 81.5 73.2 111
BUNCHGRASS MDW 5000 11.1 14.8 75 43.3 40.4 107
GARVER CREEK 4250 .1 .0 * 20.8 19.9 105
HAWKINS LAKE 6450 13.1 21.3 62 39.7 34.1 116
HIDDEN LAKE 5040 7.9 18.5 43 67.0 59.7 112
MOSQUITO RIDGE 5200 15.6 17.1 91 50.8 48.7 104
MYRTLE CREEK 3520 .0 .0 * 26.5 23.1 115
QUARTZ PEAK 4700 .0 .0 * 37.4 37.4 100
RAGGED MOUNTAIN 4210 .0 .0 * 38.1 34.1 112
SCHWEITZER BASIN 6090 39.9 34.0 117 53.6 44.6 120
----- -----
Basin wide percent 85 110
SPOKANE RIVER BASIN
HOODOO BASIN 6050 30.3 33.6 90 53.3 52.3 102
HUMBOLDT GULCH 4250 .0 .0 * 45.2 41.3 109
LOOKOUT 5140 3.1 10.6 29 43.8 43.6 100
LOST LAKE 6110 32.3 43.3 75 64.3 66.2 97
MICA CREEK 4510 .0 .0 * 42.4 46.9 90
MOSQUITO RIDGE 5200 15.6 17.1 91 50.8 48.7 104
QUARTZ PEAK 4700 .0 .0 * 37.4 37.4 100
RAGGED MOUNTAIN 4210 .0 .0 * 38.1 34.1 112
SHERWIN 3200 .0 .0 * 27.1 32.3 84
SUNSET 5540 2.7 9.7 28 41.9 42.1 100
----- -----
Basin wide percent 73 100
CLEARWATER BASIN
COOL CREEK 6280 34.1 40.5 84 57.5 61.2 94
CRATER MEADOWS 5960 25.8 27.1 95 60.3 55.7 108
ELK BUTTE 5690 10.0 19.2 52 45.1 49.9 90
HEMLOCK BUTTE 5810 18.2 30.5 60 52.8 58.0 91
HOODOO BASIN 6050 30.3 33.6 90 53.3 52.3 102
LOLO PASS 5240 .6 6.0 10 38.6 37.9 102
LOST LAKE 6110 32.3 43.3 75 64.3 66.2 97
MOSCOW MOUNTAIN 4700 .0 .0 * 38.5 37.0 104
MOUNTAIN MEADOWS 6360 7.7 12.4 62 33.8 34.0 99
NEZ PERCE CAMP 5650 .0 .0 * 22.5 23.8 95
PIERCE R.S. 3080 .0 -M * 32.2 -M *
SAVAGE PASS 6170 9.5 12.7 75 42.5 34.7 122
SHANGHI SUMMIT 4570 .0 .0 * 43.7 44.8 98
SHERWIN 3200 .0 .0 * 27.1 32.3 84
TWELVEMILE CREEK 5600 -M .0 * 36.8 35.8 103
TWIN LAKES 6400 19.2 25.1 76 51.5 51.4 100
----- -----
Basin wide percent 75 99
SALMON BASIN
BANNER SUMMIT 7040 .1 11.5 1 30.3 34.2 89
BEAGLE SPRINGS 8850 .0 2.2 0 11.0 14.8 74
BEAR BASIN 5350 .0 .5 0* 27.2 29.5 92
BIG CREEK SUMMIT 6580 2.8 18.0 16 33.6 40.2 84
BRUNDAGE RESERVOIR 6250 .0 9.3 0 40.8 42.1 97
DARKHORSE LAKE 8600 22.8 29.6 77 29.8 33.4 89
DEADWOOD SUMMIT 6860 17.6 27.0 65 42.6 50.2 85
GALENA 7470 .0 6.2 0 19.7 21.7 91
GALENA SUMMIT 8780 4.7 13.2 36 20.1 24.2 83
LEMHI RIDGE 8100 .1 4.6 2 12.6 17.3 73
MEADOW LAKE 9150 7.3 11.1 66 19.6 22.7 86
MILL CREEK SUMMIT 8800 -M 14.6 * 18.5 22.7 81
MOONSHINE 7440 .0 .0 * 13.2 16.0 82
MOOSE CREEK 6200 .1 .0 * 20.3 23.5 86
MORGAN CREEK 7600 .4 .0 * 16.6 18.3 91
MOUNTAIN MEADOWS 6360 7.7 12.4 62 33.8 34.0 99
SADDLE MTN. 7940 13.1 18.9 69 22.0 28.2 78
SCHWARTZ LAKE 8540 .1 3.0 3 16.1 17.5 92
SECESH SUMMIT 6520 1.6 17.0 9 30.2 38.2 79
SQUAW FLAT 6240 .2 .8 25* 39.0 37.0 105
VIENNA MINE 8960 16.5 26.0 63 31.0 34.6 90
WEST BRANCH 5560 .0 .0 * 32.4 35.3 92
----- -----
Basin wide percent 45 88
WEISER BASIN
BEAR SADDLE 6180 .0 .0 * 25.6 30.2 85
SQUAW FLAT 6240 .2 .8 25* 39.0 37.0 105
VAN WYCK 4920 .0 .0 * 17.2 22.7 76
WEST BRANCH 5560 .0 .0 * 32.4 35.3 92
----- -----
Basin wide percent 25* 91
PAYETTE BASIN
BANNER SUMMIT 7040 .1 11.5 1 30.3 34.2 89
BEAR BASIN 5350 .0 .5 0* 27.2 29.5 92
BIG CREEK SUMMIT 6580 2.8 18.0 16 33.6 40.2 84
BOGUS BASIN 6340 .0 2.5 0* 20.4 26.7 76
BRUNDAGE RESERVOIR 6250 .0 9.3 0 40.8 42.1 97
COZY COVE 5380 .0 .0 * 24.3 27.8 87
DEADWOOD SUMMIT 6860 17.6 27.0 65 42.6 50.2 85
JACKSON PEAK 7070 .2 15.1 1 -M 37.8 *
LONG VALLEY 4890 .4 .0 * 19.4 20.6 94
SECESH SUMMIT 6520 1.6 17.0 9 30.2 38.2 79
SQUAW FLAT 6240 .2 .8 25* 39.0 37.0 105
----- -----
Basin wide percent 23 89
BOISE BASIN
ATLANTA SUMMIT 7580 .6 17.4 3 34.1 37.6 91
BOGUS BASIN 6340 .0 2.5 0* 20.4 26.7 76
CAMAS CREEK DIVIDE 5710 .0 .0 * 14.6 19.3 76
DOLLARHIDE SUMMIT 8420 11.2 18.4 61 24.1 30.6 79
GRAHAM GUARD STA. 5690 .0 .0 * 21.3 25.6 83
JACKSON PEAK 7070 .2 15.1 1 -M 37.8 *
MORES CREEK SUMMIT 6100 .0 11.9 0 29.5 39.5 75
PRAIRIE 4800 .0 .0 * 12.7 18.8 68
TRINITY MTN. 7770 12.4 30.0 41 33.3 44.9 74
VIENNA MINE 8960 16.5 26.0 63 31.0 34.6 90
----- -----
Basin wide percent 34 80
BIG WOOD BASIN
CAMAS CREEK DIVIDE 5710 .0 .0 * 14.6 19.3 76
CHOCOLATE GULCH 6440 .0 .0 * 14.8 18.3 81
DOLLARHIDE SUMMIT 8420 11.2 18.4 61 24.1 30.6 79
GALENA 7470 .0 6.2 0 19.7 21.7 91
GALENA SUMMIT 8780 4.7 13.2 36 20.1 24.2 83
HYNDMAN 7440 .0 .0 * 16.2 19.7 82
LOST-WOOD DIVIDE 7900 .0 6.5 0 19.5 25.1 78
SOLDIER R.S. 5740 .0 .0 * 17.9 19.5 92
VIENNA MINE 8960 16.5 26.0 63 31.0 34.6 90
----- -----
Basin wide percent 46 84
LITTLE WOOD BASIN
BEAR CANYON 7900 .0 5.3 0 17.9 20.4 88
GARFIELD R.S. 6560 .0 .0 * 13.4 16.1 83
HYNDMAN 7440 .0 .0 * 16.2 19.7 82
SMILEY MOUNTAIN 9520 8.8 19.2 46 20.3 24.2 84
SWEDE PEAK 7640 .1 2.9 3 16.3 21.0 78
----- -----
Basin wide percent 32 83
BIG LOST BASIN
BEAR CANYON 7900 .0 5.3 0 17.9 20.4 88
HILTS CREEK 8000 -M .5 * 13.4 16.5 81
LOST-WOOD DIVIDE 7900 .0 6.5 0 19.5 25.1 78
SMILEY MOUNTAIN 9520 8.8 19.2 46 20.3 24.2 84
STICKNEY MILL 7430 .2 .0 * 11.9 13.6 88
----- -----
Basin wide percent 29 83
LITTLE LOST, BIRCH BASINS
BEAGLE SPRINGS 8850 .0 2.2 0 11.0 14.8 74
HILTS CREEK 8000 -M .5 * 13.4 16.5 81
MEADOW LAKE 9150 7.3 11.1 66 19.6 22.7 86
MOONSHINE 7440 .0 .0 * 13.2 16.0 82
----- -----
Basin wide percent 55 82
MEDICINE LODGE, BEAVER, CAMAS BASINS
BEAGLE SPRINGS 8850 .0 2.2 0 11.0 14.8 74
CRAB CREEK 6860 .0 1.3 0* 17.5 20.4 86
LAKEVIEW RIDGE 7400 -M 1.0 * 15.1 19.0 79
MEADOW LAKE 9150 7.3 11.1 66 19.6 22.7 86
----- -----
Basin wide percent 50 82
HENRYS FORK, TETON BASINS
BLACK BEAR 8170 22.8 33.8 67 38.6 44.6 87
GRAND TARGHEE 9260 31.8 42.3 75 33.9 36.8 92
GRASSY LAKE 7265 3.3 17.4 19 35.6 41.8 85
ISLAND PARK 6290 .1 .0 * 19.0 21.7 88
LEWIS LAKE DIVIDE 7850 7.7 22.4 34 34.9 41.0 85
PHILLIPS BENCH 8200 11.1 19.2 58 28.6 32.8 87
PINE CREEK PASS 6720 .1 .0 * 25.2 25.4 99
WHITE ELEPHANT 7710 4.2 17.8 24 32.2 35.5 91
----- -----
Basin wide percent 53 89
SNAKE BASIN ABOVE PALISADES
BASE CAMP 7030 .0 .0 * 23.2 24.5 95
BLIND BULL SUM 8650 14.2 19.9 71 17.7 23.2 76
COTTONWOOD CREEK 7670 3.2 6.3 51 28.5 30.0 95
EAST RIM DIVIDE 7930 .0 .5 0* 11.1 14.1 79
GRANITE CREEK 6770 .0 .0 * 18.5 22.9 81
GRASSY LAKE 7265 3.3 17.4 19 35.6 41.8 85
GROS VENTRE SUMMIT 8750 .1 5.6 2 14.2 16.1 88
GUNSIGHT PASS 9820 6.1 10.4 59 15.3 17.7 86
LEWIS LAKE DIVIDE 7850 7.7 22.4 34 34.9 41.0 85
LOOMIS PARK 8240 .1 2.6 4 16.5 20.5 80
PHILLIPS BENCH 8200 11.1 19.2 58 28.6 32.8 87
SALT RIVER SUMMIT 7760 .0 .0 * 17.2 19.9 86
SNAKE RIVER STATION 6920 .0 .0 * 24.0 26.5 91
SPRING CREEK DIVIDE 9000 16.1 20.3 79 26.2 28.0 94
THUMB DIVIDE 7980 .1 1.4 7* 19.6 22.8 86
TOGWOTEE PASS 9580 15.4 23.0 67 26.6 29.7 90
TWO OCEAN PLATEAU 9240 20.8 28.3 73 29.4 32.8 90
WILLOW CREEK 8380 11.0 16.6 66 37.9 40.8 93
----- -----
Basin wide percent 56 88
WILLOW, BLACKFOOT, PORTNEUF BASINS
OXFORD SPRING 6740 .1 .0 * 17.2 21.0 82
SEDGWICK PEAK 7850 .0 3.0 0 23.1 26.0 89
SHEEP MTN. 6570 .0 .0 * 18.8 19.7 95
SLUG CREEK DIVIDE 7225 .0 .0 * 23.2 24.9 93
SOMSEN RANCH 6800 .0 .0 * 18.4 20.0 92
WILDHORSE DIVIDE 6490 .1 .0 * 21.0 23.5 89
----- -----
Basin wide percent 7* 90
SNAKE BASIN ABOVE AMERICAN FALLS
BASE CAMP 7030 .0 .0 * 23.2 24.5 95
BLACK BEAR 8170 22.8 33.8 67 38.6 44.6 87
BLIND BULL SUM 8650 14.2 19.9 71 17.7 23.2 76
COTTONWOOD CREEK 7670 3.2 6.3 51 28.5 30.0 95
EAST RIM DIVIDE 7930 .0 .5 0* 11.1 14.1 79
GRAND TARGHEE 9260 31.8 42.3 75 33.9 36.8 92
GRANITE CREEK 6770 .0 .0 * 18.5 22.9 81
GRASSY LAKE 7265 3.3 17.4 19 35.6 41.8 85
GROS VENTRE SUMMIT 8750 .1 5.6 2 14.2 16.1 88
GUNSIGHT PASS 9820 6.1 10.4 59 15.3 17.7 86
ISLAND PARK 6290 .1 .0 * 19.0 21.7 88
LEWIS LAKE DIVIDE 7850 7.7 22.4 34 34.9 41.0 85
LOOMIS PARK 8240 .1 2.6 4 16.5 20.5 80
OXFORD SPRING 6740 .1 .0 * 17.2 21.0 82
PHILLIPS BENCH 8200 11.1 19.2 58 28.6 32.8 87
PINE CREEK PASS 6720 .1 .0 * 25.2 25.4 99
SALT RIVER SUMMIT 7760 .0 .0 * 17.2 19.9 86
SEDGWICK PEAK 7850 .0 3.0 0 23.1 26.0 89
SHEEP MTN. 6570 .0 .0 * 18.8 19.7 95
SLUG CREEK DIVIDE 7225 .0 .0 * 23.2 24.9 93
SNAKE RIVER STATION 6920 .0 .0 * 24.0 26.5 91
SOMSEN RANCH 6800 .0 .0 * 18.4 20.0 92
SPRING CREEK DIVIDE 9000 16.1 20.3 79 26.2 28.0 94
THUMB DIVIDE 7980 .1 1.4 7* 19.6 22.8 86
TOGWOTEE PASS 9580 15.4 23.0 67 26.6 29.7 90
TWO OCEAN PLATEAU 9240 20.8 28.3 73 29.4 32.8 90
WHITE ELEPHANT 7710 4.2 17.8 24 32.2 35.5 91
WILDHORSE DIVIDE 6490 .1 .0 * 21.0 23.5 89
WILLOW CREEK 8380 11.0 16.6 66 37.9 40.8 93
----- -----
Basin wide percent 58 89
RAFT BASIN
GEORGE CREEK 8994 5.8 -M * 24.0 -M *
HOWELL CANYON 7980 .0 9.3 0 29.0 32.1 90
----- -----
Basin wide percent 0 90
GOOSE CREEK BASIN
BOSTETTER R.S. 7500 .0 .0 * 21.0 20.9 100
MAGIC MOUNTAIN 6880 .0 .0 * 24.0 27.4 88
----- -----
Basin wide percent * 93
SALMON FALLS BASIN
BEAR CREEK 8040 .0 8.1 0 26.6 28.8 92
BOSTETTER R.S. 7500 .0 .0 * 21.0 20.9 100
MAGIC MOUNTAIN 6880 .0 .0 * 24.0 27.4 88
POLE CREEK R.S. 8330 8.9 14.2 63 12.8 15.7 82
WILSON CREEK 7120 .0 .0 * 20.3 22.4 91
----- -----
Basin wide percent 40* 91
BRUNEAU BASIN
BEAR CREEK 8040 .0 8.1 0 26.6 28.8 92
BIG BEND 6700 .1 .0 * 11.8 13.6 87
POLE CREEK R.S. 8330 8.9 14.2 63 12.8 15.7 82
SEVENTYSIX CREEK 7100 .0 .0 * 13.2 17.3 76
WILSON CREEK 7120 .0 .0 * 20.3 22.4 91
----- -----
Basin wide percent 40* 87
OWYHEE BASIN
BIG BEND 6700 .1 .0 * 11.8 13.6 87
FAWN CREEK 7000 1.5 .0 * 22.8 28.7 79
JACK CREEK UPPER 7250 .5 .0 * 19.3 24.2 80
LAUREL DRAW 6697 .0 .0 * 18.0 22.6 80
MUD FLAT 5730 .0 .0 * 9.4 13.6 69
REYNOLDS CREEK 5600 .0 .0 * 11.8 16.2 73
SOUTH MTN. 6500 .0 .0 * 24.4 29.1 84
TAYLOR CANYON 6200 .1 .0 * 8.0 10.3 78
----- -----
Basin wide percent * 79
BEAR RIVER BASIN
BUG LAKE 7950 .4 4.9 8 19.2 23.5 82
DRY BREAD POND 8350 .1 .2 50* 21.6 23.6 92
EMIGRANT SUMMIT 7390 .1 8.7 1 25.5 31.5 81
FRANKLIN BASIN 8085 1.0 16.1 6 31.7 37.3 85
GIVEOUT 6930 .2 .0 * 14.8 15.2 97
HAYDEN FORK 9212 .1 .0 * 20.6 25.8 80
KELLEY R.S. 8180 .0 2.8 0 16.9 21.8 78
LILY LAKE 9156 .1 .0 * 16.2 21.3 76
MONTE CRISTO 8960 6.6 14.9 44 25.9 31.6 82
OXFORD SPRING 6740 .1 .0 * 17.2 21.0 82
SALT RIVER SUMMIT 7760 .0 .0 * 17.2 19.9 86
SEDGWICK PEAK 7850 .0 3.0 0 23.1 26.0 89
SLUG CREEK DIVIDE 7225 .0 .0 * 23.2 24.9 93
SPRING CREEK DIVIDE 9000 16.1 20.3 79 26.2 28.0 94
TRIAL LAKE 9992 11.0 16.0 69 22.2 29.3 76
----- -----
Basin wide percent 41 84
-----------------------------------------------------------------------------
-M = Missing data
* = Data may not provide a valid measure of conditions.
Units = inches for the Current and Normal Snow Water Equivalent and
Total Precipitation values
If the Basin wide percent value is flagged as potentially
invalid, care should be taken to evaluate if the value is representative
of conditions in the basin.
The SNOW WATER EQUIVALENT Percent of Median represents the snow water
equivalent found at selected SNOTEL sites in or near the basin compared to
the Median value for those sites on this day.
The TOTAL PRECIPITATION Percent of Average represents the total precipitation
(beginning October 1st) found at selected SNOTEL sites in or near the basin
compared to the Average value for those sites on this day.
Contact your state water supply staff for assistance.
Reference period for comparison of conditions is 1981-2010.
Provisional data, subject to revision.
United States Natural Resources Water and Climate Center
Department of Conservation Portland, Oregon
Agriculture Service
S N O W - P R E C I P I T A T I O N U P D A T E
Based on Mountain Data from NRCS SNOTEL Sites
As of MONDAY: MAY 20 , 2013
------------------------------------------------------------------------------
BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION
Data Site Name (Ft) % %
Current Median Median Current Average Avg
------------------------------------------------------------------------------
MONTANA
KOOTENAI RIVER BASIN
BANFIELD MOUNTAIN 5600 3.5 4.8 73 31.6 28.4 111
BEAR MOUNTAIN 5400 39.6 44.5 89 81.5 73.2 111
GARVER CREEK 4250 .1 .0 * 20.8 19.9 105
GRAVE CREEK 4300 .0 .0 * 39.7 35.8 111
HAND CREEK 5035 .2 .0 * 20.8 19.9 105
HAWKINS LAKE 6450 13.1 21.3 62 39.7 34.1 116
POORMAN CREEK 5100 14.7 14.5 101 67.0 59.8 112
STAHL PEAK 6030 28.6 34.7 82 45.0 44.6 101
----- -----
Basin wide percent 83 110
FLATHEAD RIVER BASIN
BADGER PASS 6900 24.1 25.4 95 40.6 38.8 105
BISSON CREEK 4920 .0 .0 * 20.3 21.0 97
BLACKTAIL MTN 5650 .0 -M * 16.9 -M *
EMERY CREEK 4350 .1 .0 * 34.8 27.8 125
FLATTOP MTN. 6300 41.5 39.4 105 67.5 53.7 126
GRAVE CREEK 4300 .0 .0 * 39.7 35.8 111
HAND CREEK 5035 .2 .0 * 20.8 19.9 105
KRAFT CREEK 4750 .0 -M * 33.5 29.7 113
MANY GLACIER 4900 .0 .0 * 40.6 34.8 117
MOSS PEAK 6780 35.5 35.9 99 47.6 43.9 108
NOISY BASIN 6040 32.0 38.2 84 56.7 51.3 111
NORTH FORK JOCKO 6330 -M 32.1 * 62.3 53.6 116
PIKE CREEK 5930 .3 -M * 42.4 34.9 121
SLEEPING WOMAN 6150 .0 2.3 0 28.2 24.3 116
STAHL PEAK 6030 28.6 34.7 82 45.0 44.6 101
STUART MOUNTAIN 7400 23.8 24.5 97 36.4 36.3 100
----- -----
Basin wide percent 93* 112
UPPER CLARK FORK RIVER BASIN
BARKER LAKES 8250 9.0 14.0 64 17.6 22.5 78
BASIN CREEK 7180 .0 5.7 0 9.9 14.6 68
BLACK PINE 7210 .0 2.5 0 13.7 17.2 80
COMBINATION 5600 .1 .0 * 10.4 12.1 86
COPPER BOTTOM 5200 .1 -M * 16.0 18.3 87
COPPER CAMP 6950 18.4 -M * 31.0 36.2 86
LUBRECHT FLUME 4680 .1 .0 * 10.9 12.7 86
NEVADA RIDGE 7020 1.5 7.1 21 18.9 19.5 97
N FK ELK CREEK 6250 .0 .0 * 13.4 17.6 76
NORTH FORK JOCKO 6330 -M 32.1 * 62.3 53.6 116
PETERSON MEADOWS 7200 .1 6.6 2 13.1 16.6 79
ROCKER PEAK 8000 7.8 13.4 58 17.1 18.6 92
SKALKAHO SUMMIT 7250 3.6 17.8 20 22.9 26.8 85
STUART MOUNTAIN 7400 23.8 24.5 97 36.4 36.3 100
WARM SPRINGS 7800 12.0 20.2 59 21.7 28.1 77
----- -----
Basin wide percent 52 90
BITTERROOT RIVER BASIN
DALY CREEK 5780 .0 .0 * 14.8 16.6 89
LOLO PASS 5240 .6 6.0 10 38.6 37.9 102
NEZ PERCE CAMP 5650 .0 .0 * 22.5 23.8 95
SADDLE MTN. 7940 13.1 18.9 69 22.0 28.2 78
SKALKAHO SUMMIT 7250 3.6 17.8 20 22.9 26.8 85
TWELVEMILE CREEK 5600 -M .0 * 36.8 35.8 103
TWIN LAKES 6400 19.2 25.1 76 51.5 51.4 100
----- -----
Basin wide percent 54 95
LOWER CLARK FORK RIVER BASIN
HOODOO BASIN 6050 30.3 33.6 90 53.3 52.3 102
HUMBOLDT GULCH 4250 .0 .0 * 45.2 41.3 109
LOLO PASS 5240 .6 6.0 10 38.6 37.9 102
LOOKOUT 5140 3.1 10.6 29 43.8 43.6 100
POORMAN CREEK 5100 14.7 14.5 101 67.0 59.8 112
SLEEPING WOMAN 6150 .0 2.3 0 28.2 24.3 116
STUART MOUNTAIN 7400 23.8 24.5 97 36.4 36.3 100
SUNSET 5540 2.7 9.7 28 41.9 42.1 100
----- -----
Basin wide percent 74 105
JEFFERSON RIVER BASIN
ALBRO LAKE 8300 9.7 16.7 58 21.4 26.6 80
BARKER LAKES 8250 9.0 14.0 64 17.6 22.5 78
BASIN CREEK 7180 .0 5.7 0 9.9 14.6 68
BEAGLE SPRINGS 8850 .0 2.2 0 11.0 14.8 74
BLOODY DICK 7600 .1 .6 17* 16.1 18.3 88
CALVERT CREEK 6430 .1 .0 * 11.6 13.0 89
CLOVER MEADOW 8600 9.6 15.8 61 18.3 22.8 80
DARKHORSE LAKE 8600 22.8 29.6 77 29.8 33.4 89
DIVIDE 7800 .1 5.8 2 12.7 15.4 82
FROHNER MEADOW 6480 .0 .0 * 14.2 13.8 103
LAKEVIEW RIDGE 7400 -M 1.0 * 15.1 19.0 79
LEMHI RIDGE 8100 .1 4.6 2 12.6 17.3 73
LOWER TWIN 7900 11.8 18.3 64 25.7 27.3 94
MOOSE CREEK 6200 .1 .0 * 20.3 23.5 86
MULE CREEK 8300 9.6 13.7 70 19.0 20.9 91
ROCKER PEAK 8000 7.8 13.4 58 17.1 18.6 92
SADDLE MTN. 7940 13.1 18.9 69 22.0 28.2 78
SHORT CREEK 7000 .0 .0 * 8.6 10.0 86
WHITE ELEPHANT 7710 4.2 17.8 24 32.2 35.5 91
----- -----
Basin wide percent 55 85
MADISON RIVER BASIN
ALBRO LAKE 8300 9.7 16.7 58 21.4 26.6 80
BEAVER CREEK 7850 9.9 13.0 76 23.6 23.9 99
BLACK BEAR 8170 22.8 33.8 67 38.6 44.6 87
CARROT BASIN 9000 21.9 26.0 84 30.3 32.4 94
CLOVER MEADOW 8600 9.6 15.8 61 18.3 22.8 80
LONE MOUNTAIN 8880 11.6 15.1 77 21.1 22.3 95
LOWER TWIN 7900 11.8 18.3 64 25.7 27.3 94
MADISON PLATEAU 7750 4.9 14.3 34 27.2 31.5 86
TEPEE CREEK 8000 .2 9.1 2 14.7 18.5 79
WEST YELLOWSTONE 6700 .1 .0 * 15.5 17.5 89
WHISKEY CREEK 6800 .0 5.6 0 19.9 24.3 82
----- -----
Basin wide percent 61 88
GALLATIN RIVER BASIN
BEAVER CREEK 7850 9.9 13.0 76 23.6 23.9 99
BRACKETT CREEK 7320 5.6 15.0 37 31.2 32.2 97
CARROT BASIN 9000 21.9 26.0 84 30.3 32.4 94
LICK CREEK 6860 .3 .4 75* -M 19.5 *
LONE MOUNTAIN 8880 11.6 15.1 77 21.1 22.3 95
SACAJAWEA 6550 .5 .0 * 28.4 28.4 100
SHOWER FALLS 8100 19.1 24.6 78 30.0 31.2 96
----- -----
Basin wide percent 73 97
MISSOURI HEADWATERS
ALBRO LAKE 8300 9.7 16.7 58 21.4 26.6 80
BARKER LAKES 8250 9.0 14.0 64 17.6 22.5 78
BASIN CREEK 7180 .0 5.7 0 9.9 14.6 68
BEAGLE SPRINGS 8850 .0 2.2 0 11.0 14.8 74
BEAVER CREEK 7850 9.9 13.0 76 23.6 23.9 99
BLACK BEAR 8170 22.8 33.8 67 38.6 44.6 87
BLOODY DICK 7600 .1 .6 17* 16.1 18.3 88
BRACKETT CREEK 7320 5.6 15.0 37 31.2 32.2 97
CALVERT CREEK 6430 .1 .0 * 11.6 13.0 89
CARROT BASIN 9000 21.9 26.0 84 30.3 32.4 94
CLOVER MEADOW 8600 9.6 15.8 61 18.3 22.8 80
DARKHORSE LAKE 8600 22.8 29.6 77 29.8 33.4 89
DIVIDE 7800 .1 5.8 2 12.7 15.4 82
FROHNER MEADOW 6480 .0 .0 * 14.2 13.8 103
LAKEVIEW RIDGE 7400 -M 1.0 * 15.1 19.0 79
LEMHI RIDGE 8100 .1 4.6 2 12.6 17.3 73
LICK CREEK 6860 .3 .4 75* -M 19.5 *
LONE MOUNTAIN 8880 11.6 15.1 77 21.1 22.3 95
LOWER TWIN 7900 11.8 18.3 64 25.7 27.3 94
MADISON PLATEAU 7750 4.9 14.3 34 27.2 31.5 86
MOOSE CREEK 6200 .1 .0 * 20.3 23.5 86
MULE CREEK 8300 9.6 13.7 70 19.0 20.9 91
ROCKER PEAK 8000 7.8 13.4 58 17.1 18.6 92
SACAJAWEA 6550 .5 .0 * 28.4 28.4 100
SADDLE MTN. 7940 13.1 18.9 69 22.0 28.2 78
SHORT CREEK 7000 .0 .0 * 8.6 10.0 86
SHOWER FALLS 8100 19.1 24.6 78 30.0 31.2 96
TEPEE CREEK 8000 .2 9.1 2 14.7 18.5 79
WEST YELLOWSTONE 6700 .1 .0 * 15.5 17.5 89
WHISKEY CREEK 6800 .0 5.6 0 19.9 24.3 82
WHITE ELEPHANT 7710 4.2 17.8 24 32.2 35.5 91
----- -----
Basin wide percent 58 88
HEADWATERS MISSOURI MAINSTEM
BOULDER MOUNTAIN 7950 8.7 18.7 47 25.5 26.8 95
FROHNER MEADOW 6480 .0 .0 * 14.2 13.8 103
NEVADA RIDGE 7020 1.5 7.1 21 18.9 19.5 97
ROCKER PEAK 8000 7.8 13.4 58 17.1 18.6 92
TIZER BASIN 6880 .2 .0 * 13.5 14.7 92
----- -----
Basin wide percent 46 96
SMITH, JUDITH, AND MUSSELSHELL RIVER BASINS
BOULDER MOUNTAIN 7950 8.7 18.7 47 25.5 26.8 95
CRYSTAL LAKE 6050 3.1 3.3 94 -M 23.8 *
DAISY PEAK 7600 .3 6.4 5 15.1 15.5 97
DEADMAN CREEK 6450 .1 .0 * 14.8 16.4 90
ELK PEAK 7600 9.1 -M * 15.9 -M *
ONION PARK 7410 3.8 9.9 38 20.6 22.5 92
PICKFOOT CREEK 6650 .1 .0 * 19.1 19.3 99
PORCUPINE 6500 .0 .0 * 12.5 16.6 75
SPUR PARK 8100 16.0 19.4 82 21.1 22.7 93
STRINGER CREEK 6550 .5 .6 83* 18.1 19.1 95
----- -----
Basin wide percent 56 92
SUN, TETON AND MARIAS RIVER BASINS
BADGER PASS 6900 24.1 25.4 95 40.6 38.8 105
DUPUYER CREEK 5750 .0 .0 * 16.1 17.0 95
MOUNT LOCKHART 6400 6.9 11.4 61 29.3 29.2 100
PIKE CREEK 5930 .3 -M * 42.4 34.9 121
WALDRON 5600 .0 .0 * 19.6 19.8 99
WOOD CREEK 5960 .0 .4 0* 17.8 18.6 96
----- -----
Basin wide percent 83* 105
MISSOURI MAINSTEM RIVER BASIN
BADGER PASS 6900 24.1 25.4 95 40.6 38.8 105
BOULDER MOUNTAIN 7950 8.7 18.7 47 25.5 26.8 95
CRYSTAL LAKE 6050 3.1 3.3 94 -M 23.8 *
DAISY PEAK 7600 .3 6.4 5 15.1 15.5 97
DEADMAN CREEK 6450 .1 .0 * 14.8 16.4 90
DUPUYER CREEK 5750 .0 .0 * 16.1 17.0 95
ELK PEAK 7600 9.1 -M * 15.9 -M *
FROHNER MEADOW 6480 .0 .0 * 14.2 13.8 103
MOUNT LOCKHART 6400 6.9 11.4 61 29.3 29.2 100
NEVADA RIDGE 7020 1.5 7.1 21 18.9 19.5 97
ONION PARK 7410 3.8 9.9 38 20.6 22.5 92
PICKFOOT CREEK 6650 .1 .0 * 19.1 19.3 99
PIKE CREEK 5930 .3 -M * 42.4 34.9 121
PORCUPINE 6500 .0 .0 * 12.5 16.6 75
ROCKER PEAK 8000 7.8 13.4 58 17.1 18.6 92
ROCKY BOY 4700 .1 .0 * 15.6 14.2 110
SPUR PARK 8100 16.0 19.4 82 21.1 22.7 93
STRINGER CREEK 6550 .5 .6 83* 18.1 19.1 95
TIZER BASIN 6880 .2 .0 * 13.5 14.7 92
WALDRON 5600 .0 .0 * 19.6 19.8 99
WOOD CREEK 5960 .0 .4 0* 17.8 18.6 96
----- -----
Basin wide percent 63* 98
ST. MARY AND MILK RIVER BASINS
FLATTOP MTN. 6300 41.5 39.4 105 67.5 53.7 126
MANY GLACIER 4900 .0 .0 * 40.6 34.8 117
ROCKY BOY 4700 .1 .0 * 15.6 14.2 110
----- -----
Basin wide percent 106* 120
UPPER YELLOWSTONE RIVER BASIN
BEARTOOTH LAKE 9360 16.3 21.6 75 22.2 24.1 92
BOX CANYON 6670 .2 .0 * 16.4 16.4 100
BRACKETT CREEK 7320 5.6 15.0 37 31.2 32.2 97
BURNT MTN 5880 .2 .0 * 16.4 19.1 86
CANYON 7870 .5 2.2 23 14.8 19.9 74
COLE CREEK 7850 9.4 16.2 58 14.6 19.5 75
EAST BOULDER MINE 6335 .0 -M * -M -M *
EVENING STAR 9200 12.7 23.7 54 32.5 33.3 98
FISHER CREEK 9100 27.4 32.8 84 34.9 38.3 91
MONUMENT PEAK 8850 14.5 19.5 74 25.9 26.9 96
NORTHEAST ENTRANCE 7350 .0 .0 * 13.5 15.5 87
PARKER PEAK 9400 11.4 19.8 58 25.0 22.4 112
PLACER BASIN 8830 14.1 19.3 73 24.8 25.3 98
PORCUPINE 6500 .0 .0 * 12.5 16.6 75
SACAJAWEA 6550 .5 .0 * 28.4 28.4 100
SHOWER FALLS 8100 19.1 24.6 78 30.0 31.2 96
S FORK SHIELDS 8100 3.8 17.5 22 23.9 27.3 88
SYLVAN LAKE 8420 4.7 15.1 31 26.9 27.6 97
SYLVAN ROAD 7120 .2 .0 * 17.4 20.3 86
THUMB DIVIDE 7980 .1 1.4 7* 19.6 22.8 86
TWO OCEAN PLATEAU 9240 20.8 28.3 73 29.4 32.8 90
WHITE MILL 8700 14.7 22.3 66 25.3 28.9 88
WOLVERINE 7650 .0 .0 * 13.3 15.5 86
YOUNTS PEAK 8350 4.6 11.8 39 15.2 19.5 78
----- -----
Basin wide percent 62 91
WIND RIVER BASIN (WYOMING)
BURROUGHS CREEK 8750 4.6 9.3 49 13.4 19.9 67
CASTLE CREEK 8400 .1 -M * 10.2 -M *
COLD SPRINGS 9630 .2 .0 * 11.1 14.4 77
DEER PARK 9700 4.7 10.5 45 17.8 25.9 69
HOBBS PARK 10100 8.6 13.1 66 16.0 19.3 83
KIRWIN 9550 3.3 8.4 39 15.4 15.9 97
LITTLE WARM 9370 .2 2.7 7 13.4 17.4 77
OWL CREEK 8975 .3 .0 * 9.8 9.6 102
SOUTH PASS 9040 .1 6.8 1 12.4 22.5 55
ST. LAWRENCE ALT 8620 .3 .0 * 11.6 13.5 86
TOGWOTEE PASS 9580 15.4 23.0 67 26.6 29.7 90
TOWNSEND CREEK 8700 .2 .0 * 13.1 17.1 77
YOUNTS PEAK 8350 4.6 11.8 39 15.2 19.5 78
----- -----
Basin wide percent 50 78
SHOSHONE RIVER BASIN (WYOMING)
BLACKWATER 9780 20.5 24.3 84 28.4 26.0 109
EVENING STAR 9200 12.7 23.7 54 32.5 33.3 98
MARQUETTE 8760 2.2 -M * 15.5 -M *
SYLVAN LAKE 8420 4.7 15.1 31 26.9 27.6 97
SYLVAN ROAD 7120 .2 .0 * 17.4 20.3 86
YOUNTS PEAK 8350 4.6 11.8 39 15.2 19.5 78
----- -----
Basin wide percent 57 95
BIGHORN RIVER BASIN (WYOMING)
BALD MTN. 9380 10.7 19.2 56 13.9 22.1 63
BEAR TRAP MEADOW 8200 .0 .0 * 12.3 12.6 98
BLACKWATER 9780 20.5 24.3 84 28.4 26.0 109
BONE SPRINGS DIV 9350 10.5 14.3 73 16.2 20.8 78
EVENING STAR 9200 12.7 23.7 54 32.5 33.3 98
GRAVE SPRINGS 8550 .0 2.6 0 11.5 15.0 77
KIRWIN 9550 3.3 8.4 39 15.4 15.9 97
MARQUETTE 8760 2.2 -M * 15.5 -M *
MIDDLE POWDER 7760 .2 5.3 4 18.2 16.3 112
OWL CREEK 8975 .3 .0 * 9.8 9.6 102
POWDER RIVER PASS 9480 7.5 5.4 139 18.8 17.3 109
SHELL CREEK 9580 11.9 15.3 78 17.4 18.5 94
SYLVAN LAKE 8420 4.7 15.1 31 26.9 27.6 97
SYLVAN ROAD 7120 .2 .0 * 17.4 20.3 86
TIMBER CREEK 7950 .1 .0 * 13.9 12.2 114
YOUNTS PEAK 8350 4.6 11.8 39 15.2 19.5 78
----- -----
Basin wide percent 60 93
TONGUE RIVER BASIN (WYOMING)
BIG GOOSE 7990 .2 4.8 4 -M 17.1 *
BONE SPRINGS DIV 9350 10.5 14.3 73 16.2 20.8 78
BURGESS JUNCTION 7880 3.9 8.1 48 13.3 17.0 78
DOME LAKE 8880 4.7 6.2 76 15.5 19.0 82
LITTLE GOOSE 8870 1.6 -M * 17.5 -M *
SUCKER CREEK 8880 6.6 8.6 77 17.5 20.2 87
TIE CREEK 6870 .2 .0 * 15.6 17.3 90
----- -----
Basin wide percent 62 83
POWDER RIVER BASIN (WYOMING)
BEAR TRAP MEADOW 8200 .0 .0 * 12.3 12.6 98
CLOUD PEAK RESERVOIR 9860 11.0 14.8 74 17.1 19.6 87
GRAVE SPRINGS 8550 .0 2.6 0 11.5 15.0 77
HANSEN SAWMILL 8360 .0 .0 * 12.0 12.9 93
MIDDLE POWDER 7760 .2 5.3 4 18.2 16.3 112
POWDER RIVER PASS 9480 7.5 5.4 139 18.8 17.3 109
SOLDIER PARK 8720 .2 -M * 11.5 -M *
----- -----
Basin wide percent 67 96
LOWER YELLOWSTONE RIVER BASIN
BALD MTN. 9380 10.7 19.2 56 13.9 22.1 63
BEAR TRAP MEADOW 8200 .0 .0 * 12.3 12.6 98
BIG GOOSE 7990 .2 4.8 4 -M 17.1 *
BLACKWATER 9780 20.5 24.3 84 28.4 26.0 109
BONE SPRINGS DIV 9350 10.5 14.3 73 16.2 20.8 78
BURGESS JUNCTION 7880 3.9 8.1 48 13.3 17.0 78
BURROUGHS CREEK 8750 4.6 9.3 49 13.4 19.9 67
CASTLE CREEK 8400 .1 -M * 10.2 -M *
CLOUD PEAK RESERVOIR 9860 11.0 14.8 74 17.1 19.6 87
COLD SPRINGS 9630 .2 .0 * 11.1 14.4 77
DEER PARK 9700 4.7 10.5 45 17.8 25.9 69
DOME LAKE 8880 4.7 6.2 76 15.5 19.0 82
EVENING STAR 9200 12.7 23.7 54 32.5 33.3 98
GRAVE SPRINGS 8550 .0 2.6 0 11.5 15.0 77
HANSEN SAWMILL 8360 .0 .0 * 12.0 12.9 93
HOBBS PARK 10100 8.6 13.1 66 16.0 19.3 83
KIRWIN 9550 3.3 8.4 39 15.4 15.9 97
LITTLE GOOSE 8870 1.6 -M * 17.5 -M *
LITTLE WARM 9370 .2 2.7 7 13.4 17.4 77
MARQUETTE 8760 2.2 -M * 15.5 -M *
MIDDLE POWDER 7760 .2 5.3 4 18.2 16.3 112
OWL CREEK 8975 .3 .0 * 9.8 9.6 102
POWDER RIVER PASS 9480 7.5 5.4 139 18.8 17.3 109
SHELL CREEK 9580 11.9 15.3 78 17.4 18.5 94
SOLDIER PARK 8720 .2 -M * 11.5 -M *
SOUTH PASS 9040 .1 6.8 1 12.4 22.5 55
ST. LAWRENCE ALT 8620 .3 .0 * 11.6 13.5 86
SUCKER CREEK 8880 6.6 8.6 77 17.5 20.2 87
SYLVAN LAKE 8420 4.7 15.1 31 26.9 27.6 97
SYLVAN ROAD 7120 .2 .0 * 17.4 20.3 86
TIE CREEK 6870 .2 .0 * 15.6 17.3 90
TIMBER CREEK 7950 .1 .0 * 13.9 12.2 114
TOGWOTEE PASS 9580 15.4 23.0 67 26.6 29.7 90
TOWNSEND CREEK 8700 .2 .0 * 13.1 17.1 77
YOUNTS PEAK 8350 4.6 11.8 39 15.2 19.5 78
----- -----
Basin wide percent 58 86
-----------------------------------------------------------------------------
-M = Missing data
* = Data may not provide a valid measure of conditions.
Units = inches for the Current and Normal Snow Water Equivalent and
Total Precipitation values
If the Basin wide percent value is flagged as potentially
invalid, care should be taken to evaluate if the value is representative
of conditions in the basin.
The SNOW WATER EQUIVALENT Percent of Median represents the snow water
equivalent found at selected SNOTEL sites in or near the basin compared to
the Median value for those sites on this day.
The TOTAL PRECIPITATION Percent of Average represents the total precipitation
(beginning October 1st) found at selected SNOTEL sites in or near the basin
compared to the Average value for those sites on this day.
Contact your state water supply staff for assistance.
Reference period for comparison of conditions is 1981-2010.
Provisional data, subject to revision.
United States Natural Resources Water and Climate Center
Department of Conservation Portland, Oregon
Agriculture Service
S N O W - P R E C I P I T A T I O N U P D A T E
Based on Mountain Data from NRCS SNOTEL Sites
As of MONDAY: MAY 20 , 2013
------------------------------------------------------------------------------
BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION
Data Site Name (Ft) % %
Current Median Median Current Average Avg
------------------------------------------------------------------------------
NEVADA
NORTHERN GREAT BASIN
SHELDON 5860 .0 .0 * 6.8 7.5 91
DISASTER PEAK 6500 .0 .0 * 12.8 18.5 69
CEDAR PASS 7030 -M .0 * 22.6 29.7 76
DISMAL SWAMP 7360 .5 13.4 4 31.7 44.0 72
SUMMIT LK 7649 .0 -M * 14.9 -M *
----- -----
Basin wide percent 4* 74
SNAKE RIVER
BEAR CREEK 8040 .0 8.1 0 26.6 28.8 92
POLE CREEK R.S. 8330 8.9 14.2 63 12.8 15.7 82
SEVENTYSIX CREEK 7100 .0 .0 * 13.2 17.3 76
----- -----
Basin wide percent 40 85
OWYHEE RIVER
BIG BEND 6700 .1 .0 * 11.8 13.6 87
FAWN CREEK 7000 1.5 .0 * 22.8 28.7 79
JACK CREEK UPPER 7250 .5 .0 * 19.3 24.2 80
JACKS PEAK 8420 -M -M * 21.9 30.9 71
LAUREL DRAW 6697 .0 .0 * 18.0 22.6 80
TAYLOR CANYON 6200 .1 .0 * 8.0 10.3 78
----- -----
Basin wide percent * 78
UPPER HUMBOLDT RIVER
CORRAL CANYON 8500 1.0 2.2 45 18.4 25.2 73
DORSEY BASIN 8100 .1 .0 * 20.8 27.3 76
DRAW CREEK 7200 .0 .0 * 12.8 16.6 77
GREEN MOUNTAIN 8000 .0 .0 * 20.3 26.8 76
LAMOILLE #3 7700 .0 .0 * 18.3 26.2 70
----- -----
Basin wide percent 50* 74
LOWER HUMBOLDT RIVER
LAMANCE CREEK 6000 .0 .0 * 19.0 24.6 77
GOLCONDA 6560 .1 -M * 15.9 -M *
BUCKSKIN LOWER 6915 2.1 .0 * 17.1 20.5 83
LEWIS PEAK 7400 .1 .0 * 15.3 21.8 70
TOE JAM 7750 .0 -M * 17.0 -M *
GRANITE PEAK 8543 .0 10.8 0 21.1 28.4 74
BIG CREEK SUM 8695 .0 4.4 0 15.4 21.1 73
----- -----
Basin wide percent 14* 76
CLOVER VALLEY
HOLE-IN-MOUNTAIN 7900 .1 .4 25* 19.0 29.0 66
----- -----
Basin wide percent 25* 66
EASTERN NEVADA
VACARRO SPRING 7860 .1 -M * 12.2 -M *
BIRD CREEK 7900 .0 -M * 7.0 -M *
KALAMAZOO 7965 .1 -M * 11.1 -M *
DIAMOND PEAK 8033 .3 .0 * 14.2 17.4 82
BERRY CREEK 9100 .0 7.6 0 16.4 20.6 80
WARD MOUNTAIN 9200 .0 .0 * 10.8 18.1 60
WHEELER PEAK 10147 .1 -M * 16.1 -M *
CAVE MOUNTAIN 10510 .0 -M * 12.0 -M *
----- -----
Basin wide percent 4* 74*
LOWER COLORADO RIVER
BRISTLECONE TRAIL 8979 .0 -M * 9.3 -M *
LEE CANYON 8626 .0 -M * 9.0 -M *
RAINBOW CANYON 7975 .0 -M * 9.6 -M *
----- -----
Basin wide percent * *
-----------------------------------------------------------------------------
-M = Missing data
* = Data may not provide a valid measure of conditions.
Units = inches for the Current and Normal Snow Water Equivalent and
Total Precipitation values
If the Basin wide percent value is flagged as potentially
invalid, care should be taken to evaluate if the value is representative
of conditions in the basin.
The SNOW WATER EQUIVALENT Percent of Median represents the snow water
equivalent found at selected SNOTEL sites in or near the basin compared to
the Median value for those sites on this day.
The TOTAL PRECIPITATION Percent of Average represents the total precipitation
(beginning October 1st) found at selected SNOTEL sites in or near the basin
compared to the Average value for those sites on this day.
Contact your state water supply staff for assistance.
Reference period for comparison of conditions is 1981-2010.
Provisional data, subject to revision.
United States Natural Resources Water and Climate Center
Department of Conservation Portland, Oregon
Agriculture Service
S N O W - P R E C I P I T A T I O N U P D A T E
Based on Mountain Data from NRCS SNOTEL Sites
As of MONDAY: MAY 20 , 2013
------------------------------------------------------------------------------
BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION
Data Site Name (Ft) % %
Current Median Median Current Average Avg
------------------------------------------------------------------------------
NEW MEXICO
RIO CHAMA RIVER BASIN
BATEMAN 9300 .1 .0 * 8.9 16.6 54
CHAMITA 8400 -M .0 * 10.0 16.4 61
CUMBRES TRESTLE 10040 -M 5.7 * 19.7 30.2 65
HOPEWELL 10000 .1 .0 * 14.7 23.7 62
----- -----
Basin wide percent * 61
UPPER RIO GRANDE BASIN
BEARTOWN 11600 .1 12.8 1 19.7 29.3 67
CUMBRES TRESTLE 10040 -M 5.7 * 19.7 30.2 65
LILY POND 11000 .0 3.4 0 13.5 23.9 56
MEDANO PASS 9649 .0 .0 * 12.9 16.6 78
MIDDLE CREEK 11250 .0 11.2 0 20.1 28.0 72
UPPER RIO GRANDE 9400 .2 .0 * 8.8 13.0 68
UPPER SAN JUAN 10200 .3 16.4 2 27.3 39.8 69
UTE CREEK 10650 .1 .0 * 16.2 23.1 70
WOLF CREEK SUMMIT 11000 13.5 29.7 45 27.0 37.9 71
----- -----
Basin wide percent 19 68
SANGRE DE CRISTO MOUNTAIN RANGE BASINS
CULEBRA #2 10500 .0 .0 * 12.3 18.3 67
ELK CABIN 8210 .0 .0 * 7.0 13.0 54
GALLEGOS PEAK 9800 .0 .0 * 11.3 17.8 63
NORTH COSTILLA 10600 .3 .0 * 10.3 17.0 61
RED RIVER PASS #2 9850 .0 .0 * 9.3 13.3 70
SANTA FE 11445 .0 9.0 0 13.8 22.5 61
TOLBY 10180 .0 .0 * 9.5 16.5 58
TRINCHERA 10860 .0 .0 * 11.8 15.9 74
WESNER SPRINGS 11120 .1 1.9 5 12.5 23.2 54
----- -----
Basin wide percent 4* 62
JEMEZ RIVER BASIN
QUEMAZON 9500 .0 .0 * 7.5 15.0 50
SENORITA DIVIDE #2 8600 -M .0 * -M 17.8 *
VACAS LOCAS 9306 .0 .0 * 10.0 18.3 55
----- -----
Basin wide percent * 53
SAN FRANCISCO RIVER BASIN
CORONADO TRAIL 8400 .0 .0 * -M 13.4 *
FRISCO DIVIDE 8000 .0 .0 * -M 10.9 *
SILVER CREEK DIVIDE 9000 .1 .0 * -M 20.1 *
----- -----
Basin wide percent * *
GILA RIVER BASIN
LOOKOUT MOUNTAIN 8500 .0 .0 * 5.9 9.8 60
SIGNAL PEAK 8360 .0 .0 * 7.2 15.5 46
SILVER CREEK DIVIDE 9000 .1 .0 * -M 20.1 *
----- -----
Basin wide percent * 52
MIMBRES RIVER BASIN
MCKNIGHT CABIN 9240 .0 .0 * 4.5 10.1 45
SIGNAL PEAK 8360 .0 .0 * 7.2 15.5 46
----- -----
Basin wide percent * 46
PECOS RIVER BASIN
WESNER SPRINGS 11120 .1 1.9 5 12.5 23.2 54
----- -----
Basin wide percent 5 54
SAN JUAN RIVER HEADWATERS
BEARTOWN 11600 .1 12.8 1 19.7 29.3 67
MIDDLE CREEK 11250 .0 11.2 0 20.1 28.0 72
WOLF CREEK SUMMIT 11000 13.5 29.7 45 27.0 37.9 71
VALLECITO 10880 .4 .6 67* 15.8 21.9 72
UPPER SAN JUAN 10200 .3 16.4 2 27.3 39.8 69
----- -----
Basin wide percent 20 70
ANIMAS RIVER BASIN
STUMP LAKES 11200 1.8 12.0 15 14.8 23.9 62
RED MOUNTAIN PASS 11200 4.4 15.7 28 22.2 32.0 69
COLUMBUS BASIN 10785 3.8 14.6 26 20.8 32.4 64
MOLAS LAKE 10500 .0 3.2 0 16.0 23.9 67
SPUD MOUNTAIN 10660 .0 5.1 0 23.6 34.8 68
MINERAL CREEK 10040 .0 .0 * 13.3 21.7 61
CASCADE 8880 .1 .0 * 15.0 23.7 63
----- -----
Basin wide percent 20 65
CIMARRON RIVER BASIN
RED RIVER PASS #2 9850 .0 .0 * 9.3 13.3 70
TOLBY 10180 .0 .0 * 9.5 16.5 58
----- -----
Basin wide percent * 63
ZUNI/BLUEWATER RIVER BASIN
RICE PARK 8460 .1 .0 * -M 14.2 *
----- -----
Basin wide percent * *
RIO HONDO BASIN
SIERRA BLANCA 10280 -M .0 * 9.7 19.3 50
----- -----
Basin wide percent * 50
CHUSKA MOUNTAINS
NAVAJO WHISKEY CK 9050 -M -M * -M -M *
----- -----
Basin wide percent * *
-----------------------------------------------------------------------------
-M = Missing data
* = Data may not provide a valid measure of conditions.
Units = inches for the Current and Normal Snow Water Equivalent and
Total Precipitation values
If the Basin wide percent value is flagged as potentially
invalid, care should be taken to evaluate if the value is representative
of conditions in the basin.
The SNOW WATER EQUIVALENT Percent of Median represents the snow water
equivalent found at selected SNOTEL sites in or near the basin compared to
the Median value for those sites on this day.
The TOTAL PRECIPITATION Percent of Average represents the total precipitation
(beginning October 1st) found at selected SNOTEL sites in or near the basin
compared to the Average value for those sites on this day.
Contact your state water supply staff for assistance.
Reference period for comparison of conditions is 1981-2010.
Provisional data, subject to revision.
United States Natural Resources Water and Climate Center
Department of Conservation Portland, Oregon
Agriculture Service
S N O W - P R E C I P I T A T I O N U P D A T E
Based on Mountain Data from NRCS SNOTEL Sites
As of MONDAY: MAY 20 , 2013
------------------------------------------------------------------------------
BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION
Data Site Name (Ft) % %
Current Median Median Current Average Avg
------------------------------------------------------------------------------
OREGON
OWYHEE
JACK CREEK UPPER 7250 .5 .0 * 19.3 24.2 80
FAWN CREEK 7000 1.5 .0 * 22.8 28.7 79
BIG BEND 6700 .1 .0 * 11.8 13.6 87
LAUREL DRAW 6697 .0 .0 * 18.0 22.6 80
SOUTH MTN. 6500 .0 .0 * 24.4 29.1 84
TAYLOR CANYON 6200 .1 .0 * 8.0 10.3 78
MUD FLAT 5730 .0 .0 * 9.4 13.6 69
REYNOLDS CREEK 5600 .0 .0 * 11.8 16.2 73
----- -----
Basin wide percent * 79
MALHEUR
BLUE MOUNTAIN SPRING 5870 .0 .0 * 22.8 28.9 79
ROCK SPRINGS 5290 .0 .0 * 11.6 14.6 79
LAKE CREEK R.S. 5240 .1 .0 * 18.7 21.0 89
----- -----
Basin wide percent * 82
GRANDE RONDE, POWDER, BURNT, IMNAHA
MT. HOWARD 7910 6.6 11.5 57 33.8 34.7 97
ANEROID LAKE #2 7400 19.2 22.0 87 37.6 36.7 102
BOURNE 5850 .1 .0 * 24.0 26.8 90
MOSS SPRINGS 5760 2.0 8.5 24 40.6 41.7 97
TAYLOR GREEN 5740 1.1 .0 * 25.4 30.8 82
SPRUCE SPRINGS 5700 .0 .0 * 30.1 30.5 99
WOLF CREEK 5630 .0 .0 * 20.2 23.3 87
MILK SHAKES 5580 16.6 -M * 62.7 -M *
TOUCHET 5530 .0 7.2 0 49.2 48.8 101
EILERTSON MEADOWS 5510 .0 .0 * 22.5 23.3 97
GOLD CENTER 5410 .0 .0 * 19.8 20.8 95
SCHNEIDER MEADOWS 5400 .0 5.5 0 32.6 41.8 78
BEAVER RESERVOIR 5150 .0 .0 * 22.0 23.5 94
TIPTON 5150 .6 .0 * 15.6 20.1 78
HIGH RIDGE 4920 .0 .0 * 42.4 42.6 100
COUNTY LINE 4830 .1 .0 * 14.5 18.2 80
BOWMAN SPRINGS 4530 .0 .0 * 20.5 21.3 96
----- -----
Basin wide percent 54* 93
UMATILLA, WALLA WALLA, WILLOW
ARBUCKLE MTN 5770 -M .0 * 28.3 30.1 94
MILK SHAKES 5580 16.6 -M * 62.7 -M *
TOUCHET 5530 .0 7.2 0 49.2 48.8 101
MADISON BUTTE 5150 .0 .0 * 13.9 16.8 83
LUCKY STRIKE 4970 .0 .0 * 20.7 22.2 93
HIGH RIDGE 4920 .0 .0 * 42.4 42.6 100
BOWMAN SPRINGS 4530 .0 .0 * 20.5 21.3 96
EMIGRANT SPRINGS 3800 .1 .0 * 25.5 28.7 89
----- -----
Basin wide percent 1* 95
JOHN DAY
SNOW MOUNTAIN 6230 .0 .0 * 18.4 23.7 78
BLUE MOUNTAIN SPRING 5870 .0 .0 * 22.8 28.9 79
BOURNE 5850 .1 .0 * 24.0 26.8 90
DERR. 5850 .1 .0 * 23.5 25.1 94
ARBUCKLE MTN 5770 -M .0 * 28.3 30.1 94
OCHOCO MEADOWS 5430 .0 .0 * 19.8 23.9 83
GOLD CENTER 5410 .0 .0 * 19.8 20.8 95
STARR RIDGE 5250 .0 .0 * 13.5 16.8 80
LAKE CREEK R.S. 5240 .1 .0 * 18.7 21.0 89
MADISON BUTTE 5150 .0 .0 * 13.9 16.8 83
TIPTON 5150 .6 .0 * 15.6 20.1 78
LUCKY STRIKE 4970 .0 .0 * 20.7 22.2 93
COUNTY LINE 4830 .1 .0 * 14.5 18.2 80
----- -----
Basin wide percent * 86
UPPER DESCHUTES, CROOKED
SNOW MOUNTAIN 6230 .0 .0 * 18.4 23.7 78
DERR. 5850 .1 .0 * 23.5 25.1 94
THREE CREEKS MEADOW 5690 .0 2.2 0 33.1 37.8 88
SUMMIT LAKE 5610 27.1 38.8 70 61.4 64.5 95
IRISH TAYLOR 5540 14.7 33.6 44 53.5 60.7 88
OCHOCO MEADOWS 5430 .0 .0 * 19.8 23.9 83
CASCADE SUMMIT 5100 -M 12.0 * 54.9 58.4 94
ROARING RIVER 4950 .0 7.2 0 58.6 61.3 96
NEW CRESCENT LAKE 4910 .0 .0 * 29.5 34.0 87
CHEMULT ALTERNATE 4850 .0 .0 * 20.1 23.9 84
MCKENZIE 4770 7.8 27.4 28 79.0 84.7 93
HOGG PASS 4790 .1 3.7 3 61.2 65.5 93
SALT CREEK FALLS 4220 .0 .0 * 61.2 65.0 94
SANTIAM JCT. 3740 .0 .0 * 53.2 65.8 81
----- -----
Basin wide percent 44* 90
HOOD, SANDY, LOWER DESCHUTES
MT HOOD TEST SITE 5370 29.5 58.8 50 93.6 91.9 102
RED HILL 4410 17.9 28.3 63 96.9 98.6 98
MUD RIDGE 4070 .0 3.7 0 60.9 58.4 104
CLEAR LAKE 3810 .0 .0 * 33.5 38.7 87
BLAZED ALDER 3650 2.6 6.4 41 102.7 106.1 97
GREENPOINT 3310 .0 .0 * 55.2 64.2 86
NORTH FORK 3060 2.5 .0 * 130.4 126.4 103
SOUTH FORK BULL RUN 2690 -M .0 * 105.6 96.7 109
----- -----
Basin wide percent 54 100
COAST RANGE
SADDLE MOUNTAIN 3110 -M -M * 77.5 88.1 88
SEINE CREEK 2060 .0 .0 * 58.9 66.2 89
----- -----
Basin wide percent * 88
WILLAMETTE
SUMMIT LAKE 5610 27.1 38.8 70 61.4 64.5 95
IRISH TAYLOR 5540 14.7 33.6 44 53.5 60.7 88
CASCADE SUMMIT 5100 -M 12.0 * 54.9 58.4 94
ROARING RIVER 4950 .0 7.2 0 58.6 61.3 96
HOLLAND MEADOWS 4930 .0 .5 0* 68.6 67.3 102
HOGG PASS 4790 .1 3.7 3 61.2 65.5 93
MCKENZIE 4770 7.8 27.4 28 79.0 84.7 93
BEAR GRASS 4720 11.7 -M * 101.6 -M *
SALT CREEK FALLS 4220 .0 .0 * 61.2 65.0 94
MUD RIDGE 4070 .0 3.7 0 60.9 58.4 104
LITTLE MEADOWS 4020 .0 .0 * 99.2 100.6 99
CLEAR LAKE 3810 .0 .0 * 33.5 38.7 87
SANTIAM JCT. 3740 .0 .0 * 53.2 65.8 81
DALY LAKE 3690 .0 .0 * 60.2 75.2 80
JUMP OFF JOE 3520 .0 .0 * 74.0 74.6 99
PEAVINE RIDGE 3420 .0 .0 * 54.7 57.0 96
CLACKAMAS LAKE 3400 .0 .0 * 43.6 47.6 92
SMITH RIDGE 3330 1.6 -M * 68.4 -M *
SADDLE MOUNTAIN 3110 -M -M * 77.5 88.1 88
RAILROAD OVERPASS 2680 .0 .0 * 44.4 47.3 94
MARION FORKS 2590 .0 .0 * 64.4 72.0 89
SEINE CREEK 2060 .0 .0 * 58.9 66.2 89
MILLER WOODS 420 .0 -M * 44.2 -M *
----- -----
Basin wide percent 43* 93
ROGUE, UMPQUA
BIG RED MOUNTAIN 6050 .0 12.2 0 45.4 49.6 92
ANNIE SPRINGS 6010 7.3 33.5 22 53.7 64.6 83
FOURMILE LAKE 5970 .0 10.9 0 37.5 48.6 77
COLD SPRINGS CAMP 5940 .0 8.1 0 42.4 50.9 83
SEVENMILE MARSH 5700 .0 11.1 0 47.1 57.3 82
SUMMIT LAKE 5610 27.1 38.8 70 61.4 64.5 95
DIAMOND LAKE 5280 .0 .0 * 42.6 43.0 99
BILLIE CREEK DIVIDE 5280 .5 .0 * 43.9 47.4 93
BIGELOW CAMP 5130 1.2 .0 * 61.7 61.1 101
FISH LK. 4660 .0 .0 * 37.3 39.7 94
KING MOUNTAIN 4340 .0 .0 * 57.0 56.6 101
TOKETEE AIRSTRIP 3240 .0 .0 * 43.5 43.8 99
----- -----
Basin wide percent 32 91
KLAMATH
SUMMER RIM 7080 .0 .0 * 21.7 25.0 87
SWAN LAKE MTN 6830 .0 -M * 23.6 -M *
CRAZYMAN FLAT 6180 .1 .0 * 28.3 33.2 85
ANNIE SPRINGS 6010 7.3 33.5 22 53.7 64.6 83
FOURMILE LAKE 5970 .0 10.9 0 37.5 48.6 77
COLD SPRINGS CAMP 5940 .0 8.1 0 42.4 50.9 83
STRAWBERRY 5770 .0 .0 * 17.5 19.9 88
SILVER CREEK 5740 .1 .0 * 15.8 23.2 68
QUARTZ MOUNTAIN 5720 .0 .0 * 16.2 15.3 106
SEVENMILE MARSH 5700 .0 11.1 0 47.1 57.3 82
SUN PASS 5400 .0 -M * 26.5 -M *
DIAMOND LAKE 5280 .0 .0 * 42.6 43.0 99
BILLIE CREEK DIVIDE 5280 .5 .0 * 43.9 47.4 93
CROWDER FLAT 5170 .0 .0 * 14.6 16.4 89
TAYLOR BUTTE 5030 .0 .0 * 15.2 18.9 80
CHEMULT ALTERNATE 4850 .0 .0 * 20.1 23.9 84
GERBER RESERVOIR 4890 .0 .0 * 11.0 14.1 78
FISH LK. 4660 .0 .0 * 37.3 39.7 94
----- -----
Basin wide percent 13* 86
LAKE COUNTY, GOOSE LAKE
DISMAL SWAMP 7360 .5 13.4 4 31.7 44.0 72
SUMMER RIM 7080 .0 .0 * 21.7 25.0 87
CEDAR PASS 7030 -M .0 * 22.6 29.7 76
CRAZYMAN FLAT 6180 .1 .0 * 28.3 33.2 85
SHELDON 5860 .0 .0 * 6.8 7.5 91
STRAWBERRY 5770 .0 .0 * 17.5 19.9 88
SILVER CREEK 5740 .1 .0 * 15.8 23.2 68
QUARTZ MOUNTAIN 5720 .0 .0 * 16.2 15.3 106
CROWDER FLAT 5170 .0 .0 * 14.6 16.4 89
----- -----
Basin wide percent 5* 82
HARNEY
FISH CREEK 7660 .0 18.3 0 34.3 38.9 88
SILVIES 6990 .0 .0 * 18.6 -M *
DISASTER PEAK 6500 .0 .0 * 12.8 18.5 69
SNOW MOUNTAIN 6230 .0 .0 * 18.4 23.7 78
BLUE MOUNTAIN SPRING 5870 .0 .0 * 22.8 28.9 79
SHELDON 5860 .0 .0 * 6.8 7.5 91
ROCK SPRINGS 5290 .0 .0 * 11.6 14.6 79
STARR RIDGE 5250 .0 .0 * 13.5 16.8 80
LAKE CREEK R.S. 5240 .1 .0 * 18.7 21.0 89
----- -----
Basin wide percent 1* 82
-----------------------------------------------------------------------------
-M = Missing data
* = Data may not provide a valid measure of conditions.
Units = inches for the Current and Normal Snow Water Equivalent and
Total Precipitation values
If the Basin wide percent value is flagged as potentially
invalid, care should be taken to evaluate if the value is representative
of conditions in the basin.
The SNOW WATER EQUIVALENT Percent of Median represents the snow water
equivalent found at selected SNOTEL sites in or near the basin compared to
the Median value for those sites on this day.
The TOTAL PRECIPITATION Percent of Average represents the total precipitation
(beginning October 1st) found at selected SNOTEL sites in or near the basin
compared to the Average value for those sites on this day.
Contact your state water supply staff for assistance.
Reference period for comparison of conditions is 1981-2010.
Provisional data, subject to revision.
United States Natural Resources Water and Climate Center
Department of Conservation Portland, Oregon
Agriculture Service
S N O W - P R E C I P I T A T I O N U P D A T E
Based on Mountain Data from NRCS SNOTEL Sites
As of MONDAY: MAY 20 , 2013
------------------------------------------------------------------------------
BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION
Data Site Name (Ft) % %
Current Median Median Current Average Avg
------------------------------------------------------------------------------
UTAH
RAFT RIVER
GEORGE CREEK 8994 5.8 -M * 24.0 -M *
HOWELL CANYON 7980 .0 9.3 0 29.0 32.1 90
----- -----
Basin wide percent 0 90
BEAR RIVER
TRIAL LAKE 9992 11.0 16.0 69 22.2 29.3 76
HAYDEN FORK 9212 .1 .0 * 20.6 25.8 80
LILY LAKE 9156 .1 .0 * 16.2 21.3 76
SPRING CREEK DIVIDE 9000 16.1 20.3 79 26.2 28.0 94
MONTE CRISTO 8960 6.6 14.9 44 25.9 31.6 82
BEAR RIVER RS 8500 .1 -M * 14.0 -M *
TONY GROVE LAKE 8386 1.7 21.6 8 30.4 40.9 74
DRY BREAD POND 8350 .1 .2 50* 21.6 23.6 92
USU DOC DANIEL 8270 15.7 -M * 26.6 -M *
KELLEY R.S. 8180 .0 2.8 0 16.9 21.8 78
FRANKLIN BASIN 8085 1.0 16.1 6 31.7 37.3 85
BURTS MILLER RANCH 8000 .2 -M * 9.0 -M *
BUG LAKE 7950 .4 4.9 8 19.2 23.5 82
SEDGWICK PEAK 7850 .0 3.0 0 23.1 26.0 89
SALT RIVER SUMMIT 7760 .0 .0 * 17.2 19.9 86
GARDEN CITY SUMMIT 7600 .1 -M * 21.3 -M *
TEMPLE FORK 7406 .2 .0 * 19.7 23.1 85
KLONDIKE NARROWS 7400 .2 -M * 24.1 -M *
EMIGRANT SUMMIT 7390 .1 8.7 1 25.5 31.5 81
SLUG CREEK DIVIDE 7225 .0 .0 * 23.2 24.9 93
GIVEOUT 6930 .2 .0 * 14.8 15.2 97
OXFORD SPRING 6740 .1 .0 * 17.2 21.0 82
LITTLE BEAR 6544 .5 .0 * 22.2 28.0 79
TONY GROVE RS 6250 .2 -M * 18.6 -M *
----- -----
Basin wide percent 35* 83
WEBER-OGDEN RIVERS
TRIAL LAKE 9992 11.0 16.0 69 22.2 29.3 76
THAYNES CANYON 9230 4.5 9.4 48 23.8 30.0 79
CHALK CREEK #1 8993 8.9 15.6 57 25.5 30.8 83
MONTE CRISTO 8960 6.6 14.9 44 25.9 31.6 82
REDDEN MINE LWR 8500 1.1 -M * 21.4 -M *
DRY BREAD POND 8350 .1 .2 50* 21.6 23.6 92
BEAVER DIVIDE 8280 .2 .0 * 17.4 21.5 81
LIGHTNING RIDGE 8215 .4 .9 44* 22.0 27.6 80
HORSE RIDGE 8160 .3 .0 * 21.1 29.2 72
CHALK CREEK #2 8158 .0 .0 * 19.4 21.9 89
FARMINGTON 8000 4.8 17.8 27 35.4 42.9 83
BEN LOMOND PEAK 8000 .3 15.2 2 33.1 50.2 66
PARRISH CREEK 7740 .1 4.8 2 32.8 37.1 88
SMITH & MOREHOUSE 7600 .0 .0 * 15.9 23.2 69
PARLEY'S SUMMIT 7500 .4 .0 * 25.2 27.3 92
KILFOIL CREEK 7400 .0 -M * 16.6 -M *
HARDSCRABBLE 7250 .2 .0 * 27.5 33.4 82
FARMINGTON LOWER 6779 .0 .0 * 31.2 36.7 85
LOST CREEK RESV 6083 .0 -M * 11.4 -M *
BEN LOMOND TRAIL 5829 .0 .0 * 22.4 34.9 64
----- -----
Basin wide percent 40* 80
PROVO R.-UTAH LAKE-JORDAN R.
TRIAL LAKE 9992 11.0 16.0 69 22.2 29.3 76
SNOWBIRD 9640 16.7 37.6 44 35.3 45.6 77
MILL-D NORTH 8967 .5 5.4 9 26.0 33.6 77
CLEAR CREEK #1 8908 .9 .9 100* 27.2 24.2 112
BRIGHTON 8750 .4 8.2 5 24.8 32.7 76
REDDEN MINE LWR 8500 1.1 -M * 21.4 -M *
BEAVER DIVIDE 8280 .2 .0 * 17.4 21.5 81
LOOKOUT PEAK 8200 .2 10.6 2 31.2 37.8 83
TIMPANOGOS DIVIDE 8140 .0 .0 * 19.7 30.3 65
PAYSON R.S. 8066 .0 .0 * 13.6 20.8 65
DANIELS-STRAWBERRY 8037 .2 .0 * 16.0 23.8 67
CASCADE MOUNTAIN 7702 .0 .0 * 20.5 31.4 65
CLEAR CREEK #2 7659 .3 .0 * 16.0 20.3 79
PARLEY'S SUMMIT 7500 .4 .0 * 25.2 27.3 92
HOBBLE CREEK 7399 .0 -M * 15.5 -M *
DRY FORK 7093 .1 .0 * 23.6 25.4 93
LOUIS MEADOW 6700 .2 .0 * 26.6 32.9 81
----- -----
Basin wide percent 40* 79
TOOELE VALLEY-VERNON CREEK
ROCKY BASIN-SETTLEME 8900 5.0 5.8 86 28.6 34.0 84
MINING FORK 8221 .5 .0 * 25.6 28.7 89
VERNON CREEK 7401 .1 .0 * 14.4 21.5 67
BEVANS CABIN 6430 .0 -M * 23.0 -M *
----- -----
Basin wide percent 97* 81
NORTHEASTERN UINTAHS
SPIRIT LK 10223 2.8 -M * 18.5 -M *
STEEL CREEK PARK 10200 11.3 14.7 77 19.4 21.0 92
BUCK PASTURE 9700 3.1 -M * 19.2 -M *
HEWINTA 9519 .0 .0 * 16.0 17.7 90
TROUT CREEK 9518 .2 .0 * 16.1 17.3 93
EF BLACKS FORK GS 9308 .0 -M * 15.1 -M *
HOLE-IN-ROCK 9150 .0 .0 * 13.8 13.0 106
HICKERSON PARK 9145 .1 .0 * 12.8 13.4 96
BLACKS FORK JCT 8870 .3 -M * 13.4 -M *
KING'S CABIN 8724 .3 .0 * 14.3 16.9 85
----- -----
Basin wide percent 81* 93
DUCHESNE RIVER
LAKEFORK BASIN 10966 15.3 17.9 85 24.5 25.5 96
FIVE POINTS LAKE 10940 7.3 11.0 66 20.0 23.2 86
BROWN DUCK 10600 10.0 14.7 68 18.8 24.2 78
CHEPETA 10592 2.4 1.5 160 16.4 19.6 84
LAKEFORK #1 10415 .2 .4 50* 15.2 16.7 91
TRIAL LAKE 9992 11.0 16.0 69 22.2 29.3 76
MOSBY MTN. 9510 .0 .0 * 16.4 18.6 88
INDIAN CANYON 9175 .0 .0 * 13.0 17.5 74
LAKEFORK #3 8464 .2 -M * 11.2 -M *
STRAWBERRY DIVIDE 8123 .0 .0 * 15.1 24.1 63
DANIELS-STRAWBERRY 8037 .2 .0 * 16.0 23.8 67
CURRANT CREEK 8000 .4 .0 * 12.2 16.7 73
ROCK CREEK 7889 .1 .0 * 11.4 14.6 78
----- -----
Basin wide percent 76* 79
PRICE-SAN RAFAEL
BUCK FLAT 9430 .3 1.2 25* 18.1 23.1 78
WRIGLEY CREEK 9162 .6 -M * 12.9 -M *
CLEAR CREEK #1 8908 .9 .9 100* 27.2 24.2 112
HUNTINGTON HORSE 9657 2.2 -M * 19.3 -M *
MAMMOTH-COTTONWOOD 8727 .5 .0 * 16.5 20.3 81
RED PINE RIDGE 9009 .1 .0 * 16.9 23.9 71
SEELEY CREEK 9910 2.5 4.5 56 13.6 18.2 75
TIMBERLINE 8684 .0 -M * 13.6 -M *
UPPER JOES VALLEY 8681 .0 -M * 12.7 -M *
WHITE RIVER #1 8641 .2 .0 * 13.6 17.6 77
----- -----
Basin wide percent 68* 83
DIRTY DEVIL
DONKEY RESERVOIR 9800 .0 .0 * 10.1 12.6 80
BLACK FLAT-U.M. CK 9462 .0 .0 * 10.5 14.8 71
DILL'S CAMP 9182 1.0 .0 * 17.9 21.1 85
FISH LAKE UTAH 8818 .1 -M * 9.4 -M *
----- -----
Basin wide percent * 79
SOUTH EASTERN UTAH
LASAL MOUNTAIN 9560 .0 .0 * 19.3 24.0 80
BUCKBOARD FLAT 8998 .0 -M * 11.5 -M *
CAMP JACKSON 8968 .1 .0 * 15.5 20.3 76
LASAL MOUNTAIN-LOWER 8825 .2 -M * 12.1 -M *
EAST WILLOW CREEK 8301 .2 .0 * 10.8 13.7 79
----- -----
Basin wide percent * 79
UPPER SEVIER RIVER
CLAYTON SPRINGS 10049 .1 .0 * 15.3 19.5 78
BOX CREEK 9828 .1 .0 * 12.8 19.5 66
MIDWAY VALLEY 9800 .6 6.9 9 19.9 27.6 72
JONES CORRAL 9749 .0 -M * 12.3 -M *
FARNSWORTH LAKE 9682 11.1 14.9 74 24.1 26.2 92
WIDTSOE #3 9640 .0 .0 * 16.2 17.6 92
PICKLE KEG 9600 .2 .0 * 22.4 25.2 89
CASTLE VALLEY 9580 .0 .0 * 13.6 18.4 74
KIMBERLY MINE 9129 3.5 .1 3500* 21.9 26.8 82
SQUAW SPRINGS 9105 .2 -M * 12.8 -M *
AGUA CANYON 8900 .0 .0 * 10.3 15.8 65
FISH LAKE UTAH 8818 .1 -M * 9.4 -M *
PINE CREEK 8790 .8 .1 800* 26.0 24.8 105
GOOSEBERRY R.S. UP 8347 .1 -M * 19.0 -M *
GOOSEBERRY R.S. 7950 .0 .0 * 18.0 20.4 88
HARRIS FLAT 7787 .4 .0 * 10.1 14.2 71
LONG VALLEY JCT 7464 .0 .0 * 9.9 14.6 68
----- -----
Basin wide percent 76* 81
SAN PITCH RIVER
SEELEY CREEK 9910 2.5 4.5 56 13.6 18.2 75
GBRC MEADOWS 9780 7.6 -M * 23.7 -M *
HUNTINGTON HORSE 9657 2.2 -M * 19.3 -M *
PICKLE KEG 9600 .2 .0 * 22.4 25.2 89
MT BALDY 9494 6.8 -M * 20.4 -M *
BUCK FLAT 9430 .3 1.2 25* 18.1 23.1 78
THISTLE FLAT 8858 .0 -M * 17.4 -M *
MAMMOTH-COTTONWOOD 8727 .5 .0 * 16.5 20.3 81
GBRC HQ 8541 .1 -M * 19.7 -M *
BEAVER DAMS 7970 -M .0 * 18.0 21.2 85
REES FLAT 7211 .4 -M * 17.3 -M *
----- -----
Basin wide percent 61* 82*
LOWER SEVIER RIVER
PINE CREEK 8790 .8 .1 800* 26.0 24.8 105
OAK CREEK 7772 .1 -M * 16.9 -M *
REES FLAT 7211 .4 -M * 17.3 -M *
----- -----
Basin wide percent 800* 105*
BEAVER RIVER
BIG FLAT 10349 12.4 16.6 75 19.0 25.2 75
MERCHANT VALLEY 8703 .1 .0 * 17.1 21.0 81
----- -----
Basin wide percent 75 78
ESCALANTE RIVER
CLAYTON SPRINGS 10049 .1 .0 * 15.3 19.5 78
DONKEY RESERVOIR 9800 .0 .0 * 10.1 12.6 80
WIDTSOE #3 9640 .0 .0 * 16.2 17.6 92
----- -----
Basin wide percent * 84
SOUTHWESTERN UTAH
BRIAN HEAD 9972 1.1 -M * 18.6 -M *
YANKEE RESERVOIR 9972 .0 -M * 15.2 -M *
MIDWAY VALLEY 9800 .6 6.9 9 19.9 27.6 72
CASTLE VALLEY 9580 .0 .0 * 13.6 18.4 74
KOLOB 9206 .1 .0 * 18.1 26.2 69
WEBSTER FLAT 9170 .0 .0 * 17.7 22.6 78
GARDNER PEAK 8322 .4 .0 * 15.3 18.1 85
LONG FLAT 8000 -M .0 * -M 15.8 *
HARRIS FLAT 7787 .4 .0 * 10.1 14.2 71
LONG VALLEY JCT 7464 .0 .0 * 9.9 14.6 68
GUTZ PEAK 6763 .0 .0 * 12.8 23.8 54
LITTLE GRASSY 6100 .1 .0 * 11.8 18.8 63
----- -----
Basin wide percent 23* 70
-----------------------------------------------------------------------------
-M = Missing data
* = Data may not provide a valid measure of conditions.
Units = inches for the Current and Normal Snow Water Equivalent and
Total Precipitation values
If the Basin wide percent value is flagged as potentially
invalid, care should be taken to evaluate if the value is representative
of conditions in the basin.
The SNOW WATER EQUIVALENT Percent of Median represents the snow water
equivalent found at selected SNOTEL sites in or near the basin compared to
the Median value for those sites on this day.
The TOTAL PRECIPITATION Percent of Average represents the total precipitation
(beginning October 1st) found at selected SNOTEL sites in or near the basin
compared to the Average value for those sites on this day.
Contact your state water supply staff for assistance.
Reference period for comparison of conditions is 1981-2010.
Provisional data, subject to revision.
United States Natural Resources Water and Climate Center
Department of Conservation Portland, Oregon
Agriculture Service
S N O W - P R E C I P I T A T I O N U P D A T E
Based on Mountain Data from NRCS SNOTEL Sites
As of MONDAY: MAY 20 , 2013
------------------------------------------------------------------------------
BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION
Data Site Name (Ft) % %
Current Median Median Current Average Avg
------------------------------------------------------------------------------
WASHINGTON
SPOKANE
LOST LAKE 6110 32.3 43.3 75 64.3 66.2 97
HOODOO BASIN 6050 30.3 33.6 90 53.3 52.3 102
SUNSET 5540 2.7 9.7 28 41.9 42.1 100
MOSQUITO RIDGE 5200 15.6 17.1 91 50.8 48.7 104
LOOKOUT 5140 3.1 10.6 29 43.8 43.6 100
QUARTZ PEAK 4700 .0 .0 * 37.4 37.4 100
MICA CREEK 4510 .0 .0 * 42.4 46.9 90
HUMBOLDT GULCH 4250 .0 .0 * 45.2 41.3 109
RAGGED MOUNTAIN 4210 .0 .0 * 38.1 34.1 112
SHERWIN 3200 .0 .0 * 27.1 32.3 84
----- -----
Basin wide percent 73 100
UPPER COLUMBIA
HARTS PASS 6490 32.4 34.5 94 41.0 -M *
GOLD AXE CAMP 5360 .1 -M * 14.6 -M *
MOSES MTN 5010 .0 .0 * 22.1 22.3 99
BUNCHGRASS MDW 5000 11.1 14.8 75 43.3 40.4 107
SENTINEL BUTTE 4680 .0 .0 * 17.8 15.1 118
SALMON MEADOWS 4460 .0 .0 * 17.1 16.2 106
----- -----
Basin wide percent 88* 107
CENTRAL COLUMBIA
LYMAN LAKE 5980 50.4 56.3 90 70.2 69.2 101
TROUGH 5480 .0 .0 * 22.6 22.4 101
PARK CREEK RIDGE 4600 12.8 21.2 60 60.9 60.5 101
UPPER WHEELER 4330 .0 .0 * 20.0 22.6 88
BLEWETT PASS 4240 .0 .0 * 26.7 30.9 86
STEVENS PASS 3950 17.9 16.7 107 82.3 78.1 105
POPE RIDGE 3590 .6 .0 * 28.9 30.5 95
TRINITY 2930 .0 -M * 59.5 -M *
----- -----
Basin wide percent 87* 99
UPPER YAKIMA
GROUSE CAMP 5390 .0 .0 * 27.4 28.1 98
SASSE RIDGE 4340 11.2 12.2 92 51.0 52.8 97
OLALLIE MEADOWS 4030 40.0 41.1 97 113.2 106.7 106
STAMPEDE PASS 3850 20.1 26.2 77 76.1 76.9 99
FISH LAKE 3430 3.1 11.6 27 54.2 56.3 96
----- -----
Basin wide percent 82 100
LOWER YAKIMA
GREEN LAKE 5920 5.8 13.8 42 33.4 32.2 104
PIGTAIL PEAK 5800 43.2 49.3 88 68.9 71.4 96
MORSE LAKE 5410 37.2 42.4 88 71.0 73.3 97
INDIAN ROCK 5360 .0 -M * 43.1 -M *
CAYUSE PASS 5240 40.8 -M * 82.7 -M *
LOST HORSE 5120 .0 .0 * 26.4 30.0 88
BUMPING RIDGE 4610 .7 14.9 5 51.1 54.5 94
POTATO HILL 4510 10.5 8.5 124 59.3 57.1 104
WHITE PASS E.S. 4440 4.7 11.1 42 41.4 38.4 108
----- -----
Basin wide percent 73 98
WALLA WALLA
MILK SHAKES 5580 16.6 -M * 62.7 -M *
TOUCHET 5530 .0 7.2 0 49.2 48.8 101
HIGH RIDGE 4920 .0 .0 * 42.4 42.6 100
----- -----
Basin wide percent 0* 100
LOWER SNAKE
MT. HOWARD 7910 6.6 11.5 57 33.8 34.7 97
ANEROID LAKE #2 7400 19.2 22.0 87 37.6 36.7 102
TWIN LAKES 6400 19.2 25.1 76 51.5 51.4 100
MOUNTAIN MEADOWS 6360 7.7 12.4 62 33.8 34.0 99
COOL CREEK 6280 34.1 40.5 84 57.5 61.2 94
SAVAGE PASS 6170 9.5 12.7 75 42.5 34.7 122
LOST LAKE 6110 32.3 43.3 75 64.3 66.2 97
HOODOO BASIN 6050 30.3 33.6 90 53.3 52.3 102
CRATER MEADOWS 5960 25.8 27.1 95 60.3 55.7 108
HEMLOCK BUTTE 5810 18.2 30.5 60 52.8 58.0 91
MOSS SPRINGS 5760 2.0 8.5 24 40.6 41.7 97
TAYLOR GREEN 5740 1.1 .0 * 25.4 30.8 82
SPRUCE SPRINGS 5700 .0 .0 * 30.1 30.5 99
ELK BUTTE 5690 10.0 19.2 52 45.1 49.9 90
MILK SHAKES 5580 16.6 -M * 62.7 -M *
SCHNEIDER MEADOWS 5400 .0 5.5 0 32.6 41.8 78
LOLO PASS 5240 .6 6.0 10 38.6 37.9 102
HIGH RIDGE 4920 .0 .0 * 42.4 42.6 100
MOSCOW MOUNTAIN 4700 .0 .0 * 38.5 37.0 104
SHANGHI SUMMIT 4570 .0 .0 * 43.7 44.8 98
SOURDOUGH GULCH 4000 .0 .0 * 14.0 13.0 108
SHERWIN 3200 .0 .0 * 27.1 32.3 84
----- -----
Basin wide percent 73 98
LOWER COLUMBIA
PIGTAIL PEAK 5800 43.2 49.3 88 68.9 71.4 96
MT HOOD TEST SITE 5370 29.5 58.8 50 93.6 91.9 102
INDIAN ROCK 5360 .0 -M * 43.1 -M *
CAYUSE PASS 5240 40.8 -M * 82.7 -M *
PARADISE 5130 80.2 65.8 122 109.8 100.6 109
POTATO HILL 4510 10.5 8.5 124 59.3 57.1 104
SWIFT CREEK 4440 47.5 52.7 90 149.5 141.5 106
RED HILL 4410 17.9 28.3 63 96.9 98.6 98
SURPRISE LAKES 4290 27.0 31.7 85 94.8 87.6 108
MUD RIDGE 4070 .0 3.7 0 60.9 58.4 104
SHEEP CANYON 3990 26.8 17.0 158 132.5 111.5 119
LONE PINE 3930 29.9 24.2 124 95.2 86.3 110
CLEAR LAKE 3810 .0 .0 * 33.5 38.7 87
BLAZED ALDER 3650 2.6 6.4 41 102.7 106.1 97
SPIRIT LAKE 3520 -M .0 * -M 77.5 *
JUNE LAKE 3440 26.6 5.6 475 146.3 148.1 99
SPENCER MEADOW 3400 1.5 .5 300* 80.0 88.8 90
GREENPOINT 3310 .0 .0 * 55.2 64.2 86
NORTH FORK 3060 2.5 .0 * 130.4 126.4 103
SOUTH FORK BULL RUN 2690 -M .0 * 105.6 96.7 109
CALAMITY 2500 -M -M * 89.5 -M *
PEPPER CREEK 2140 .0 -M * 51.6 -M *
----- -----
Basin wide percent 98 103
SOUTH PUGET SOUND
CORRAL PASS 5800 29.4 31.7 93 51.8 51.9 100
CAYUSE PASS 5240 40.8 -M * 82.7 -M *
PARADISE 5130 80.2 65.8 122 109.8 100.6 109
SAWMILL RIDGE 4640 9.4 -M * 60.6 -M *
BURNT MOUNTAIN 4170 5.0 .0 * 68.7 61.7 111
LYNN LAKE 3900 17.2 -M * 100.3 -M *
STAMPEDE PASS 3850 20.1 26.2 77 76.1 76.9 99
COUGAR MOUNTAIN 3200 1.3 .0 * 86.5 81.1 107
MOWICH 3160 .0 .0 * 53.4 44.4 120
HUCKLEBERRY CREEK 2250 .0 .0 * 36.8 36.1 102
----- -----
Basin wide percent 110* 107
CENTRAL PUGET SOUND
OLALLIE MEADOWS 4030 40.0 41.1 97 113.2 106.7 106
STEVENS PASS 3950 17.9 16.7 107 82.3 78.1 105
STAMPEDE PASS 3850 20.1 26.2 77 76.1 76.9 99
REX RIVER 3810 21.5 9.7 222 99.1 89.0 111
ALPINE MEADOWS 3500 60.6 39.9 152 162.8 132.4 123
SKOOKUM CREEK 3310 -M .0 * 140.2 117.6 119
MEADOWS PASS 3230 10.9 .0 * 85.9 80.6 107
TINKHAM CREEK 2990 19.1 6.4 298 97.6 89.5 109
MOUNT GARDNER 2920 .0 .0 * 91.9 86.0 107
----- -----
Basin wide percent 136 111
NORTH PUGET SOUND
HARTS PASS 6490 32.4 34.5 94 41.0 -M *
BROWN TOP 5830 54.0 -M * 76.9 -M *
EASY PASS 5270 -M -M * 159.2 -M *
MF NOOKSACK 4970 68.0 62.7 108 107.6 98.1 110
RAINY PASS 4890 19.1 26.5 72 50.3 49.0 103
THUNDER BASIN 4320 13.7 16.7 82 62.2 59.9 104
WELLS CREEK 4030 28.4 17.2 165 75.8 67.7 112
SWAMP CREEK 3930 .0 .0 * 35.1 34.7 101
BEAVER PASS 3630 31.6 27.5 115 71.8 64.9 111
MARTEN RIDGE 3520 48.7 -M * 139.0 -M *
ELBOW LAKE 3040 -M 14.5 * -M 121.6 *
HOZOMEEN CAMP 1690 -M -M * 36.3 35.3 103
----- -----
Basin wide percent 104 107
OLYMPIC
WATERHOLE 5010 34.5 27.9 124 66.6 64.4 103
BUCKINGHORSE 4870 46.8 -M * 116.1 -M *
DUNGENESS 4010 .0 .0 * 37.4 39.9 94
MOUNT CRAG 3960 15.7 14.3 110 -M 66.1 *
----- -----
Basin wide percent 119 100
-----------------------------------------------------------------------------
-M = Missing data
* = Data may not provide a valid measure of conditions.
Units = inches for the Current and Normal Snow Water Equivalent and
Total Precipitation values
If the Basin wide percent value is flagged as potentially
invalid, care should be taken to evaluate if the value is representative
of conditions in the basin.
The SNOW WATER EQUIVALENT Percent of Median represents the snow water
equivalent found at selected SNOTEL sites in or near the basin compared to
the Median value for those sites on this day.
The TOTAL PRECIPITATION Percent of Average represents the total precipitation
(beginning October 1st) found at selected SNOTEL sites in or near the basin
compared to the Average value for those sites on this day.
Contact your state water supply staff for assistance.
Reference period for comparison of conditions is 1981-2010.
Provisional data, subject to revision.
United States Natural Resources Water and Climate Center
Department of Conservation Portland, Oregon
Agriculture Service
S N O W - P R E C I P I T A T I O N U P D A T E
Based on Mountain Data from NRCS SNOTEL Sites
As of MONDAY: MAY 20 , 2013
------------------------------------------------------------------------------
BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION
Data Site Name (Ft) % %
Current Median Median Current Average Avg
------------------------------------------------------------------------------
WYOMING
SNAKE RIVER
BASE CAMP 7030 .0 .0 * 23.2 24.5 95
BLACK BEAR 8170 22.8 33.8 67 38.6 44.6 87
BLIND BULL SUM 8650 14.2 19.9 71 17.7 23.2 76
COTTONWOOD CREEK 7670 3.2 6.3 51 28.5 30.0 95
EAST RIM DIVIDE 7930 .0 .5 0* 11.1 14.1 79
GRAND TARGHEE 9260 31.8 42.3 75 33.9 36.8 92
GRANITE CREEK 6770 .0 .0 * 18.5 22.9 81
GRASSY LAKE 7265 3.3 17.4 19 35.6 41.8 85
GROS VENTRE SUMMIT 8750 .1 5.6 2 14.2 16.1 88
GUNSIGHT PASS 9820 6.1 10.4 59 15.3 17.7 86
LEWIS LAKE DIVIDE 7850 7.7 22.4 34 34.9 41.0 85
PHILLIPS BENCH 8200 11.1 19.2 58 28.6 32.8 87
SALT RIVER SUMMIT 7760 .0 .0 * 17.2 19.9 86
SNAKE RIVER STATION 6920 .0 .0 * 24.0 26.5 91
SPRING CREEK DIVIDE 9000 16.1 20.3 79 26.2 28.0 94
THUMB DIVIDE 7980 .1 1.4 7* 19.6 22.8 86
TOGWOTEE PASS 9580 15.4 23.0 67 26.6 29.7 90
TWO OCEAN PLATEAU 9240 20.8 28.3 73 29.4 32.8 90
WILLOW CREEK 8380 11.0 16.6 66 37.9 40.8 93
YOUNTS PEAK 8350 4.6 11.8 39 15.2 19.5 78
----- -----
Basin wide percent 60 88
MADISON-GALLATIN
BLACK BEAR 8170 22.8 33.8 67 38.6 44.6 87
CANYON 7870 .5 2.2 23 14.8 19.9 74
MADISON PLATEAU 7750 4.9 14.3 34 27.2 31.5 86
WEST YELLOWSTONE 6700 .1 .0 * 15.5 17.5 89
WHISKEY CREEK 6800 .0 5.6 0 19.9 24.3 82
----- -----
Basin wide percent 51 84
YELLOWSTONE
BEARTOOTH LAKE 9360 16.3 21.6 75 22.2 24.1 92
BURNT MTN 5880 .2 .0 * 16.4 19.1 86
CANYON 7870 .5 2.2 23 14.8 19.9 74
COLE CREEK 7850 9.4 16.2 58 14.6 19.5 75
EVENING STAR 9200 12.7 23.7 54 32.5 33.3 98
FISHER CREEK 9100 27.4 32.8 84 34.9 38.3 91
NORTHEAST ENTRANCE 7350 .0 .0 * 13.5 15.5 87
PARKER PEAK 9400 11.4 19.8 58 25.0 22.4 112
SYLVAN LAKE 8420 4.7 15.1 31 26.9 27.6 97
THUMB DIVIDE 7980 .1 1.4 7* 19.6 22.8 86
TWO OCEAN PLATEAU 9240 20.8 28.3 73 29.4 32.8 90
WHITE MILL 8700 14.7 22.3 66 25.3 28.9 88
WOLVERINE 7650 .0 .0 * 13.3 15.5 86
----- -----
Basin wide percent 64 90
WIND RIVER
BURROUGHS CREEK 8750 4.6 9.3 49 13.4 19.9 67
CASTLE CREEK 8400 .1 -M * 10.2 -M *
COLD SPRINGS 9630 .2 .0 * 11.1 14.4 77
DEER PARK 9700 4.7 10.5 45 17.8 25.9 69
HOBBS PARK 10100 8.6 13.1 66 16.0 19.3 83
KIRWIN 9550 3.3 8.4 39 15.4 15.9 97
LITTLE WARM 9370 .2 2.7 7 13.4 17.4 77
OWL CREEK 8975 .3 .0 * 9.8 9.6 102
SOUTH PASS 9040 .1 6.8 1 12.4 22.5 55
ST. LAWRENCE ALT 8620 .3 .0 * 11.6 13.5 86
TOGWOTEE PASS 9580 15.4 23.0 67 26.6 29.7 90
TOWNSEND CREEK 8700 .2 .0 * 13.1 17.1 77
----- -----
Basin wide percent 51 78
BIGHORN BASIN
BALD MTN. 9380 10.7 19.2 56 13.9 22.1 63
BEAR TRAP MEADOW 8200 .0 .0 * 12.3 12.6 98
BONE SPRINGS DIV 9350 10.5 14.3 73 16.2 20.8 78
GRAVE SPRINGS 8550 .0 2.6 0 11.5 15.0 77
KIRWIN 9550 3.3 8.4 39 15.4 15.9 97
MARQUETTE 8760 2.2 -M * 15.5 -M *
MIDDLE POWDER 7760 .2 5.3 4 18.2 16.3 112
OWL CREEK 8975 .3 .0 * 9.8 9.6 102
POWDER RIVER PASS 9480 7.5 5.4 139 18.8 17.3 109
SHELL CREEK 9580 11.9 15.3 78 17.4 18.5 94
TIMBER CREEK 7950 .1 .0 * 13.9 12.2 114
----- -----
Basin wide percent 63 92
SHOSHONE RIVER
BLACKWATER 9780 20.5 24.3 84 28.4 26.0 109
EVENING STAR 9200 12.7 23.7 54 32.5 33.3 98
MARQUETTE 8760 2.2 -M * 15.5 -M *
SYLVAN ROAD 7120 .2 .0 * 17.4 20.3 86
YOUNTS PEAK 8350 4.6 11.8 39 15.2 19.5 78
----- -----
Basin wide percent 64 94
POWDER RIVER
BEAR TRAP MEADOW 8200 .0 .0 * 12.3 12.6 98
CLOUD PEAK RESERVOIR 9860 11.0 14.8 74 17.1 19.6 87
GRAVE SPRINGS 8550 .0 2.6 0 11.5 15.0 77
HANSEN SAWMILL 8360 .0 .0 * 12.0 12.9 93
MIDDLE POWDER 7760 .2 5.3 4 18.2 16.3 112
POWDER RIVER PASS 9480 7.5 5.4 139 18.8 17.3 109
SOLDIER PARK 8720 .2 -M * 11.5 -M *
----- -----
Basin wide percent 67 96
TONGUE RIVER
BIG GOOSE 7990 .2 4.8 4 -M 17.1 *
BONE SPRINGS DIV 9350 10.5 14.3 73 16.2 20.8 78
BURGESS JUNCTION 7880 3.9 8.1 48 13.3 17.0 78
DOME LAKE 8880 4.7 6.2 76 15.5 19.0 82
LITTLE GOOSE 8870 1.6 -M * 17.5 -M *
SUCKER CREEK 8880 6.6 8.6 77 17.5 20.2 87
TIE CREEK 6870 .2 .0 * 15.6 17.3 90
----- -----
Basin wide percent 62 83
BELLE FOURCHE
COLE CANYON 5910 .0 .0 * 12.3 14.9 83
----- -----
Basin wide percent * 83
CHEYENNE RIVER BASIN
BLIND PARK 6890 .0 .0 * 15.6 16.6 94
NORTH RAPID CREEK 6130 .0 .0 * 13.2 14.5 91
----- -----
Basin wide percent * 93
UPPER N. PLATTE
ARAPAHO RIDGE 10960 15.8 18.1 87 25.2 28.5 88
BLACKHALL MTN 9820 19.6 -M * 32.4 -M *
COLUMBINE 9160 .0 3.0 0 27.8 30.6 91
DIVIDE PEAK 8880 -M 5.7 * 22.5 26.5 85
JOE WRIGHT 10120 -M 21.1 * -M 32.8 *
LAPRELE CREEK 8375 .1 .0 * 11.7 16.9 69
MED BOW 10500 -M -M * 34.8 -M *
NORTH FRENCH CREEK 10130 18.1 29.6 61 28.5 33.7 85
NEVER SUMMER 10280 17.0 20.3 84 18.4 -M *
OLD BATTLE 10000 24.5 32.5 75 33.5 42.1 80
RAWAH 9020 .1 .4 25* 20.2 18.9 107
SAGE CREEK BASIN 7850 .0 .0 * 12.1 17.4 70
SAND LAKE 10050 22.4 27.8 81 28.3 31.9 89
SOUTH BRUSH CREEK 8440 .2 .0 * 16.3 20.1 81
TOWER 10500 31.7 47.7 66 -M 47.9 *
WEBBER SPRINGS 9250 8.9 12.0 74 26.6 32.1 83
WILLOW CREEK PASS 9540 11.2 9.3 120 19.9 17.3 115
ZIRKEL 9340 7.4 9.7 76 33.2 33.4 99
----- -----
Basin wide percent 75 88
SWEETWATER
DEER PARK 9700 4.7 10.5 45 17.8 25.9 69
LARSEN CREEK 9000 .4 -M * 12.8 -M *
SOUTH PASS 9040 .1 6.8 1 12.4 22.5 55
----- -----
Basin wide percent 28 62
LOWER N. PLATTE
CASPER MTN. 7900 .5 4.5 11 15.0 20.4 74
LAPRELE CREEK 8375 .1 .0 * 11.7 16.9 69
RENO HILL 8400 1.9 3.6 53 17.8 21.3 84
WINDY PEAK 7900 .0 .0 * 12.2 14.9 82
----- -----
Basin wide percent 31 77
LARAMIE RIVER
BROOKLYN LAKE 10240 11.0 16.4 67 22.3 27.2 82
CINNABAR PARK 9574 9.1 12.3 74 23.3 29.5 79
CROW CREEK 8330 .0 .0 * 13.7 15.1 91
DEADMAN HILL 10220 14.4 16.5 87 21.0 23.0 91
RAWAH 9020 .1 .4 25* 20.2 18.9 107
ROACH 9700 9.3 11.5 81 21.9 24.7 89
----- -----
Basin wide percent 77 88
S. PLATTE
BLACK MOUNTAIN 8920 .0 -M * 16.9 -M *
CROW CREEK 8330 .0 .0 * 13.7 15.1 91
DEADMAN HILL 10220 14.4 16.5 87 21.0 23.0 91
----- -----
Basin wide percent 87* 91
LITTLE SNAKE RIVER
BATTLE MOUNTAIN 7440 .4 .0 * 14.0 18.6 75
DIVIDE PEAK 8880 -M 5.7 * 22.5 26.5 85
ELK RIVER 8700 .0 .0 * 20.4 24.6 83
LITTLE SNAKE RIVER 8915 7.3 13.3 55 30.3 35.2 86
OLD BATTLE 10000 24.5 32.5 75 33.5 42.1 80
SAGE CREEK BASIN 7850 .0 .0 * 12.1 17.4 70
SANDSTONE RS 8150 .1 .0 * 14.7 22.5 65
WHISKEY PARK 8950 11.5 21.9 53 31.3 33.9 92
----- -----
Basin wide percent 65* 81
UPPER GREEN RIVER
BIG SANDY OPENING 9080 .0 3.1 0 12.9 16.8 77
BLIND BULL SUM 8650 14.2 19.9 71 17.7 23.2 76
EAST RIM DIVIDE 7930 .0 .5 0* 11.1 14.1 79
ELKHART PARK G.S. 9400 .0 5.7 0 12.4 16.7 74
GROS VENTRE SUMMIT 8750 .1 5.6 2 14.2 16.1 88
GUNSIGHT PASS 9820 6.1 10.4 59 15.3 17.7 86
KENDALL R.S. 7740 .0 .0 * 12.7 16.8 76
LOOMIS PARK 8240 .1 2.6 4 16.5 20.5 80
NEW FORK LAKE 8340 .0 .0 * 8.6 13.5 64
POCKET CREEK 9360 -M -M * 12.2 -M *
SNIDER BASIN 8060 .0 .4 0* 15.7 16.8 93
SPRING CREEK DIVIDE 9000 16.1 20.3 79 26.2 28.0 94
TRIPLE PEAK 8500 4.4 8.4 52 28.1 30.2 93
----- -----
Basin wide percent 53 83
LOWER GREEN RIVER
BLACKS FORK JCT 8870 .3 -M * 13.4 -M *
BUCK PASTURE 9700 3.1 -M * 19.2 -M *
EF BLACKS FORK GS 9308 .0 -M * 15.1 -M *
HAMS FORK 7840 .0 .0 * 12.1 14.4 84
HEWINTA 9519 .0 .0 * 16.0 17.7 90
HICKERSON PARK 9145 .1 .0 * 12.8 13.4 96
HOLE-IN-ROCK 9150 .0 .0 * 13.8 13.0 106
INDIAN CREEK 9425 11.9 18.5 64 22.5 27.0 83
KELLEY R.S. 8180 .0 2.8 0 16.9 21.8 78
SPIRIT LK 10223 2.8 -M * 18.5 -M *
STEEL CREEK PARK 10200 11.3 14.7 77 19.4 21.0 92
----- -----
Basin wide percent 65* 88
UPPER BEAR RIVER
BEAR RIVER RS 8500 .1 -M * 14.0 -M *
BUG LAKE 7950 .4 4.9 8 19.2 23.5 82
BURTS MILLER RANCH 8000 .2 -M * 9.0 -M *
CHALK CREEK #1 8993 8.9 15.6 57 25.5 30.8 83
HAYDEN FORK 9212 .1 .0 * 20.6 25.8 80
KELLEY R.S. 8180 .0 2.8 0 16.9 21.8 78
LILY LAKE 9156 .1 .0 * 16.2 21.3 76
MONTE CRISTO 8960 6.6 14.9 44 25.9 31.6 82
SALT RIVER SUMMIT 7760 .0 .0 * 17.2 19.9 86
----- -----
Basin wide percent 42* 81
-----------------------------------------------------------------------------
-M = Missing data
* = Data may not provide a valid measure of conditions.
Units = inches for the Current and Normal Snow Water Equivalent and
Total Precipitation values
If the Basin wide percent value is flagged as potentially
invalid, care should be taken to evaluate if the value is representative
of conditions in the basin.
The SNOW WATER EQUIVALENT Percent of Median represents the snow water
equivalent found at selected SNOTEL sites in or near the basin compared to
the Median value for those sites on this day.
The TOTAL PRECIPITATION Percent of Average represents the total precipitation
(beginning October 1st) found at selected SNOTEL sites in or near the basin
compared to the Average value for those sites on this day.
Contact your state water supply staff for assistance.
Reference period for comparison of conditions is 1981-2010.
Provisional data, subject to revision.
Western Regional Climate Center