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 TUESDAY: FEBRUARY 9 , 2010 ----------------------------------------------------------------------------- STATE PERCENT OF AVERAGE RIVER BASIN Number Snow Water Accum of Sites Equivalent Precip ----------------------------------------------------------------------------- ALASKA ANCHORAGE/SHIP CREEK BASIN ................... 3 of 3 84 92 SUSITNA BASIN ................................ 3 of 6 27 60 NORTHERN KENAI MOUNTAINS ..................... 6 of 6 87 90 SOUTHERN KENAI ............................... 3 of 6 115 83 COPPER BASIN ................................. 2 of 4 98 75 PRINCE WILLIAM SOUND ......................... 0 of 6 * 87 CHENA BASIN .................................. 6 of 6 42 41 UPPER TANANA ................................. 1 of 3 * 61 KOYUKUK BASIN ................................ 1 of 3 * 51 CENTRAL YUKON BASIN .......................... 0 of 3 * 42 SEWARD PENINSULA ............................. 0 of 3 * * KUPARUK RIVER BASIN .......................... 0 of 1 * 92 SOUTHEAST ALASKA BASIN ....................... 0 of 1 * * ARIZONA VERDE RIVER BASIN ............................ 5 of 5 276 152 SAN FRANCISCO PEAKS .......................... 1 of 1 226 82 CENTRAL MOGOLLON RIM ......................... 3 of 3 234 144 LITTLE COLORADO - SOUTHERN HEADWATERS ........ 2 of 2 197 143 UPPER SALT RIVER BASIN / WHITE MOUNTAINS ..... 6 of 6 219 124 SAN FRANCISCO RIVER BASIN .................... 5 of 5 218 117 UPPER GILA RIVER BASIN ....................... 3 of 3 187 118 CALIFORNIA NORTHERN GREAT BASIN ......................... 4 of 4 71 79 TRUCKEE RIVER ................................ 8 of 8 93 91 LAKE TAHOE ................................... 8 of 8 97 90 CARSON RIVER ................................. 5 of 9 106 101 WALKER RIVER ................................. 5 of 6 95 106 KLAMATH ...................................... 10 of 10 74 71 COLORADO GUNNISON RIVER BASIN ......................... 12 of 13 93 93 UPPER COLORADO RIVER BASIN ................... 27 of 29 72 75 SOUTH PLATTE RIVER BASIN ..................... 15 of 15 78 82 LARAMIE AND NORTH PLATTE RIVER BASINS ........ 12 of 13 73 81 YAMPA AND WHITE RIVER BASINS ................. 16 of 19 71 78 ARKANSAS RIVER BASIN ......................... 5 of 9 85 88 UPPER RIO GRANDE BASIN ....................... 10 of 13 110 107 SAN MIGUEL, DOLORES, ANIMAS AND SAN JUAN RIVER BASINS ................. 15 of 16 105 101 IDAHO NORTHERN PANHANDLE REGION .................... 12 of 16 59 70 SPOKANE RIVER BASIN .......................... 9 of 10 56 67 CLEARWATER BASIN ............................. 14 of 15 56 64 SALMON BASIN ................................. 21 of 22 67 72 WEISER BASIN ................................. 2 of 4 86 89 PAYETTE BASIN ................................ 8 of 11 64 75 BOISE BASIN .................................. 10 of 11 73 79 BIG WOOD BASIN ............................... 9 of 9 67 72 LITTLE WOOD BASIN ............................ 4 of 5 63 82 BIG LOST BASIN ............................... 4 of 5 61 77 LITTLE LOST, BIRCH BASINS .................... 4 of 4 73 79 MEDICINE LODGE, BEAVER, CAMAS BASINS ......... 6 of 6 67 74 HENRYS FORK, TETON BASINS .................... 9 of 10 62 66 SNAKE BASIN ABOVE PALISADES .................. 16 of 18 59 64 WILLOW, BLACKFOOT, PORTNEUF BASINS ........... 4 of 5 57 70 SNAKE BASIN ABOVE AMERICAN FALLS ............. 27 of 31 61 66 OAKLEY BASIN ................................. 3 of 3 78 84 SALMON FALLS BASIN ........................... 5 of 5 70 82 BRUNEAU BASIN ................................ 5 of 5 69 80 OWYHEE BASIN ................................. 7 of 8 86 87 BEAR RIVER BASIN ............................. 14 of 15 59 69 MONTANA KOOTENAI RIVER BASIN ......................... 8 of 8 71 79 FLATHEAD RIVER BASIN ......................... 14 of 15 76 81 UPPER CLARK FORK RIVER BASIN ................. 14 of 15 73 70 BITTERROOT RIVER BASIN ....................... 7 of 7 54 60 LOWER CLARK FORK RIVER BASIN ................. 7 of 8 53 65 JEFFERSON RIVER BASIN ........................ 19 of 19 77 77 MADISON RIVER BASIN .......................... 11 of 11 73 75 GALLATIN RIVER BASIN ......................... 7 of 7 81 81 MISSOURI HEADWATERS .......................... 31 of 31 76 77 HEADWATERS MISSOURI MAINSTEM ................. 5 of 5 85 82 SMITH, JUDITH, AND MUSSELSHELL RIVER BASINS .. 9 of 9 98 97 SUN, TETON AND MARIAS RIVER BASINS ........... 6 of 6 61 72 MISSOURI MAINSTEM RIVER BASIN ................ 20 of 20 80 85 ST. MARY AND MILK RIVER BASINS ............... 3 of 3 75 83 UPPER YELLOWSTONE RIVER BASIN ................ 23 of 23 72 74 WIND RIVER BASIN (WYOMING) ................... 12 of 12 67 64 SHOSHONE RIVER BASIN (WYOMING) ............... 6 of 6 61 69 BIGHORN RIVER BASIN (WYOMING) ................ 16 of 16 67 68 TONGUE RIVER BASIN (WYOMING) ................. 6 of 6 73 80 POWDER RIVER BASIN (WYOMING) ................. 6 of 6 78 68 LOWER YELLOWSTONE RIVER BASIN ................ 32 of 32 68 69 NEVADA NORTHERN GREAT BASIN ......................... 4 of 4 71 79 SNAKE RIVER .................................. 3 of 3 59 73 OWYHEE RIVER ................................. 5 of 6 85 84 UPPER HUMBOLDT RIVER ......................... 5 of 5 70 81 LOWER HUMBOLDT RIVER ......................... 4 of 5 73 82 CLOVER VALLEY ................................ 1 of 1 47 93 EASTERN NEVADA ............................... 2 of 3 99 105 NEW MEXICO RIO CHAMA RIVER BASIN ........................ 4 of 4 119 101 UPPER RIO GRANDE BASIN ....................... 9 of 9 111 110 SANGRE DE CRISTO MOUNTAIN RANGE BASINS ....... 9 of 9 113 109 JEMEZ RIVER BASIN ............................ 3 of 3 107 99 SAN FRANCISCO RIVER BASIN .................... 3 of 3 231 123 GILA RIVER BASIN ............................. 3 of 3 187 118 MIMBRES RIVER BASIN .......................... 2 of 2 256 125 PECOS RIVER BASIN ............................ 1 of 1 106 112 SAN JUAN RIVER HEADWATERS .................... 5 of 5 104 105 ANIMAS RIVER BASIN ........................... 7 of 7 97 97 CIMARRON RIVER BASIN ......................... 2 of 2 125 123 ZUNI/BLUEWATER RIVER BASIN ................... 1 of 1 196 141 RIO HONDO BASIN .............................. 1 of 1 223 161 OREGON OWYHEE ....................................... 7 of 8 86 87 MALHEUR ...................................... 3 of 3 90 82 GRANDE RONDE, POWDER, BURNT, IMNAHA .......... 14 of 14 83 84 UMATILLA, WALLA WALLA, WILLOW ................ 7 of 8 72 81 JOHN DAY ..................................... 14 of 14 82 89 UPPER DESCHUTES, CROOKED ..................... 14 of 14 60 78 HOOD, SANDY, LOWER DESCHUTES ................. 8 of 8 58 76 COAST RANGE .................................. 2 of 2 0 81 WILLAMETTE ................................... 20 of 2 0 78 ROGUE, UMPQUA ................................ 13 of 13 66 76 KLAMATH ...................................... 16 of 18 79 73 LAKE COUNTY, GOOSE LAKE ...................... 8 of 8 91 82 HARNEY ....................................... 7 of 7 83 88 UTAH BEAR RIVER ................................... 8 of 10 59 69 WEBER-OGDEN RIVERS ........................... 14 of 17 65 71 PROVO R.-UTAH LAKE-JORDAN R. ................. 13 of 15 67 74 TOOELE VALLEY-VERNON CREEK ................... 3 of 3 73 84 GREEN RIVER .................................. 6 of 6 72 80 DUCHESNE RIVER ............................... 12 of 12 72 68 PRICE-SAN RAFAEL ............................. 5 of 6 68 71 DIRTY DEVIL .................................. 3 of 3 88 86 SOUTH EASTERN UTAH ........................... 3 of 3 143 109 SEVIER RIVER ................................. 14 of 16 110 104 BEAVER RIVER ................................. 2 of 2 110 112 ESCALANTE RIVER .............................. 2 of 3 118 106 VIRGIN RIVER ................................. 7 of 9 174 138 WASHINGTON NORTHERN PANHANDLE ........................... 11 of 13 60 72 SPOKANE ...................................... 9 of 10 54 66 UPPER COLUMBIA ............................... 5 of 5 83 88 CENTRAL COLUMBIA ............................. 8 of 8 79 83 UPPER YAKIMA ................................. 5 of 5 66 77 LOWER YAKIMA ................................. 7 of 7 86 88 LOWER SNAKE .................................. 2 of 2 72 79 LOWER COLUMBIA ............................... 10 of 10 79 87 SOUTH PUGET SOUND ............................ 8 of 8 65 78 CENTRAL PUGET SOUND .......................... 9 of 9 54 79 NORTH PUGET SOUND ............................ 7 of 9 71 101 OLYMPIC ...................................... 3 of 3 111 159 WYOMING SNAKE RIVER .................................. 13 of 16 60 65 UPPER YELLOWSTONE-MADISON .................... 13 of 13 67 68 WIND RIVER ................................... 9 of 9 67 66 BIGHORN BASIN ................................ 16 of 16 67 68 SHOSHONE RIVER ............................... 7 of 7 61 68 POWDER-TONGUE ................................ 12 of 12 75 74 BELLE FOURCHE ................................ 3 of 3 91 116 UPPER N. PLATTE RIVER ........................ 10 of 11 86 94 LOWER N. PLATTE - SWEETWATER - LARAMIE ....... 10 of 10 84 90 LITTLE SNAKE RIVER ........................... 5 of 5 83 90 UPPER GREEN RIVER ............................ 11 of 12 55 61 LOWER GREEN RIVER ............................ 7 of 7 60 69 UPPER BEAR RIVER ............................. 7 of 7 57 63 ----------------------------------------------------------------------------- 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 1961-90. Provisional data, subject to revision.