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: JANUARY 30 , 2012 ----------------------------------------------------------------------------- STATE PERCENT OF AVERAGE RIVER BASIN Number Snow Water Accum of Sites Equivalent Precip ----------------------------------------------------------------------------- ALASKA ANCHORAGE/SHIP CREEK BASIN ................... 4 of 4 123 127 SUSITNA BASIN ................................ 4 of 6 110 100 NORTHERN KENAI MOUNTAINS ..................... 6 of 7 112 122 SOUTHERN KENAI ............................... 3 of 6 171 103 COPPER BASIN ................................. 3 of 4 150 117 PRINCE WILLIAM SOUND ......................... 0 of 6 * 123 CHENA BASIN .................................. 6 of 7 87 69 UPPER TANANA ................................. 2 of 4 113 138 KOYUKUK BASIN ................................ 2 of 4 107 104 CENTRAL YUKON BASIN .......................... 0 of 4 * 85 SEWARD PENINSULA ............................. 0 of 2 * 85 KUPARUK-SAGAVANIRKTOK RIVER BASIN ............ 0 of 3 * * NORTHWEST ARCTIC RIVER BASIN ................. 0 of 1 * * SOUTHEAST ALASKA BASIN ....................... 1 of 2 145 113 ARIZONA VERDE RIVER BASIN ............................ 5 of 9 72 86 SAN FRANCISCO PEAKS .......................... 1 of 1 92 59 CENTRAL MOGOLLON RIM ......................... 3 of 4 86 104 LITTLE COLORADO - SOUTHERN HEADWATERS ........ 5 of 6 92 102 UPPER SALT RIVER BASIN / WHITE MOUNTAINS ..... 7 of 8 103 91 SAN FRANCISCO / UPPER GILA RIVER BASIN ....... 7 of 8 101 93 CALIFORNIA NORTHERN GREAT BASIN ......................... 4 of 5 39 51 TRUCKEE RIVER ................................ 8 of 8 36 52 LAKE TAHOE ................................... 8 of 8 37 52 CARSON RIVER ................................. 5 of 9 38 48 WALKER RIVER ................................. 5 of 6 38 51 KLAMATH ...................................... 16 of 18 64 73 COLORADO GUNNISON RIVER BASIN ......................... 12 of 16 75 84 UPPER COLORADO RIVER BASIN ................... 27 of 31 72 78 SOUTH PLATTE RIVER BASIN ..................... 17 of 20 79 89 LARAMIE AND NORTH PLATTE RIVER BASINS ........ 11 of 12 69 78 YAMPA AND WHITE RIVER BASINS ................. 18 of 20 64 72 ARKANSAS RIVER BASIN ......................... 5 of 9 86 89 UPPER RIO GRANDE BASIN ....................... 9 of 16 83 104 SAN MIGUEL, DOLORES, ANIMAS AND SAN JUAN RIVER BASIN .................. 15 of 17 75 96 IDAHO NORTHERN PANHANDLE REGION .................... 7 of 10 99 88 SPOKANE RIVER BASIN .......................... 9 of 10 85 83 CLEARWATER BASIN ............................. 13 of 16 90 96 SALMON BASIN ................................. 22 of 22 84 86 WEISER BASIN ................................. 3 of 4 86 91 PAYETTE BASIN ................................ 9 of 11 84 83 BOISE BASIN .................................. 9 of 10 91 101 BIG WOOD BASIN ............................... 9 of 9 86 99 LITTLE WOOD BASIN ............................ 4 of 5 71 110 BIG LOST BASIN ............................... 4 of 5 65 102 LITTLE LOST, BIRCH BASINS .................... 4 of 4 63 98 MEDICINE LODGE, BEAVER, CAMAS BASINS ......... 4 of 4 63 90 HENRYS FORK, TETON BASINS .................... 7 of 8 89 94 SNAKE BASIN ABOVE PALISADES .................. 17 of 18 90 95 WILLOW, BLACKFOOT, PORTNEUF BASINS ........... 6 of 6 80 97 SNAKE BASIN ABOVE AMERICAN FALLS ............. 27 of 29 89 95 RAFT BASIN ................................... 1 of 2 112 126 GOOSE CREEK BASIN ............................ 2 of 2 100 123 SALMON FALLS BASIN ........................... 5 of 5 78 98 BRUNEAU BASIN ................................ 5 of 5 67 86 OWYHEE BASIN ................................. 7 of 8 67 86 BEAR RIVER BASIN ............................. 15 of 15 73 81 MONTANA KOOTENAI RIVER BASIN ......................... 8 of 8 99 98 FLATHEAD RIVER BASIN ......................... 14 of 16 84 92 UPPER CLARK FORK RIVER BASIN ................. 14 of 15 93 99 BITTERROOT RIVER BASIN ....................... 7 of 7 98 106 LOWER CLARK FORK RIVER BASIN ................. 8 of 8 97 96 JEFFERSON RIVER BASIN ........................ 19 of 19 82 89 MADISON RIVER BASIN .......................... 11 of 11 78 87 GALLATIN RIVER BASIN ......................... 7 of 7 72 82 MISSOURI HEADWATERS .......................... 31 of 31 80 88 HEADWATERS MISSOURI MAINSTEM ................. 5 of 5 112 108 SMITH, JUDITH, AND MUSSELSHELL RIVER BASINS .. 9 of 10 95 101 SUN, TETON AND MARIAS RIVER BASINS ........... 5 of 6 109 102 MISSOURI MAINSTEM RIVER BASIN ................ 19 of 21 103 103 ST. MARY AND MILK RIVER BASINS ............... 3 of 3 89 94 UPPER YELLOWSTONE RIVER BASIN ................ 23 of 24 90 95 WIND RIVER BASIN (WYOMING) ................... 12 of 13 89 98 SHOSHONE RIVER BASIN (WYOMING) ............... 5 of 6 95 114 BIGHORN RIVER BASIN (WYOMING) ................ 15 of 16 100 111 TONGUE RIVER BASIN (WYOMING) ................. 6 of 7 128 141 POWDER RIVER BASIN (WYOMING) ................. 6 of 7 111 113 LOWER YELLOWSTONE RIVER BASIN ................ 31 of 35 100 111 NEVADA NORTHERN GREAT BASIN ......................... 4 of 5 39 51 SNAKE RIVER .................................. 3 of 3 67 87 OWYHEE RIVER ................................. 5 of 6 65 84 UPPER HUMBOLDT RIVER ......................... 5 of 5 54 81 LOWER HUMBOLDT RIVER ......................... 4 of 7 29 61 CLOVER VALLEY ................................ 1 of 1 39 81 EASTERN NEVADA ............................... 3 of 8 * * NEW MEXICO RIO CHAMA RIVER BASIN ........................ 3 of 4 82 88 UPPER RIO GRANDE BASIN ....................... 8 of 9 80 107 SANGRE DE CRISTO MOUNTAIN RANGE BASINS ....... 8 of 9 100 112 JEMEZ RIVER BASIN ............................ 3 of 3 85 109 SAN FRANCISCO RIVER BASIN .................... 3 of 3 89 89 GILA RIVER BASIN ............................. 3 of 3 104 104 MIMBRES RIVER BASIN .......................... 2 of 2 159 112 PECOS RIVER BASIN ............................ 1 of 1 104 118 SAN JUAN RIVER HEADWATERS .................... 5 of 5 79 107 ANIMAS RIVER BASIN ........................... 7 of 7 74 90 CIMARRON RIVER BASIN ......................... 2 of 2 120 118 ZUNI/BLUEWATER RIVER BASIN ................... 1 of 1 117 132 RIO HONDO BASIN .............................. 1 of 1 124 110 OREGON OWYHEE ....................................... 7 of 8 67 86 MALHEUR ...................................... 3 of 3 92 90 GRANDE RONDE, POWDER, BURNT, IMNAHA .......... 15 of 17 79 85 UMATILLA, WALLA WALLA, WILLOW ................ 7 of 8 74 83 JOHN DAY ..................................... 13 of 13 77 79 UPPER DESCHUTES, CROOKED ..................... 14 of 14 70 88 HOOD, SANDY, LOWER DESCHUTES ................. 8 of 8 89 100 COAST RANGE .................................. 1 of 2 0 83 WILLAMETTE ................................... 19 of 23 68 90 ROGUE, UMPQUA ................................ 12 of 12 59 77 KLAMATH ...................................... 16 of 18 64 73 LAKE COUNTY, GOOSE LAKE ...................... 9 of 9 55 60 HARNEY ....................................... 9 of 9 64 73 UTAH RAFT RIVER ................................... 1 of 2 112 126 BEAR RIVER ................................... 17 of 24 75 82 WEBER-OGDEN RIVERS ........................... 14 of 19 70 75 PROVO R.-UTAH LAKE-JORDAN R. ................. 13 of 15 65 74 TOOELE VALLEY-VERNON CREEK ................... 3 of 3 63 86 NORTHEASTERN UINTAHS ......................... 6 of 9 82 109 DUCHESNE RIVER ............................... 12 of 13 67 82 PRICE-SAN RAFAEL ............................. 6 of 7 52 83 DIRTY DEVIL .................................. 3 of 4 76 91 SOUTH EASTERN UTAH ........................... 3 of 3 83 86 SEVIER RIVER ................................. 14 of 20 71 93 BEAVER RIVER ................................. 2 of 2 52 65 ESCALANTE RIVER .............................. 2 of 3 92 109 SOUTHWESTERN UTAH ............................ 8 of 11 58 88 WASHINGTON NORTHERN PANHANDLE ........................... 7 of 10 99 88 SPOKANE ...................................... 9 of 10 85 83 UPPER COLUMBIA ............................... 5 of 6 89 84 CENTRAL COLUMBIA ............................. 6 of 8 97 95 UPPER YAKIMA ................................. 5 of 5 98 93 LOWER YAKIMA ................................. 7 of 9 109 97 LOWER SNAKE .................................. 17 of 22 87 93 LOWER COLUMBIA ............................... 18 of 22 92 94 SOUTH PUGET SOUND ............................ 7 of 10 99 88 CENTRAL PUGET SOUND .......................... 9 of 9 108 91 NORTH PUGET SOUND ............................ 8 of 12 115 99 OLYMPIC ...................................... 3 of 4 101 105 WYOMING SNAKE RIVER .................................. 14 of 16 91 95 UPPER YELLOWSTONE-MADISON .................... 13 of 13 93 99 WIND RIVER ................................... 9 of 10 85 93 BIGHORN BASIN ................................ 15 of 16 100 111 SHOSHONE RIVER ............................... 6 of 7 97 116 POWDER-TONGUE ................................ 12 of 14 120 128 BELLE FOURCHE ................................ 3 of 3 99 90 UPPER N. PLATTE RIVER ........................ 11 of 13 70 81 LOWER N. PLATTE - SWEETWATER - LARAMIE ....... 10 of 10 90 101 LITTLE SNAKE RIVER ........................... 5 of 5 68 78 UPPER GREEN RIVER ............................ 11 of 13 90 98 LOWER GREEN RIVER ............................ 7 of 7 89 96 UPPER BEAR RIVER ............................. 7 of 7 71 75 ----------------------------------------------------------------------------- The Snow Water Equivalent Percent of Average represents the snow water equivalent found at selected SNOTEL sites in or near the basin compared to the average 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 Average Snow Water Equivalent and Total Precipitation values Reference period for average conditions is 1971-2000. Provisional data, subject to revision.