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 WEDNESDAY: JANUARY 28 , 2009 ----------------------------------------------------------------------------- STATE PERCENT OF AVERAGE RIVER BASIN Number Snow Water Accum of Sites Equivalent Precip ----------------------------------------------------------------------------- UPPER COLORADO REGION STATE: COLORADO GUNNISON RIVER BASIN ......................... 12 of 13 117 113 UPPER COLORADO RIVER BASIN ................... 28 of 29 125 115 YAMPA AND WHITE RIVER BASINS ................. 17 of 19 113 108 UPPER RIO GRANDE BASIN ....................... 10 of 13 130 122 SAN MIGUEL, DOLORES, ANIMAS AND SAN JUAN RIVER BASINS ................. 15 of 16 122 116 STATE: IDAHO BEAR RIVER BASIN ............................. 15 of 15 92 96 STATE: NEW MEXICO RIO CHAMA RIVER BASIN ........................ 4 of 4 152 117 UPPER RIO GRANDE BASIN ....................... 9 of 9 128 125 SANGRE DE CRISTO MOUNTAIN RANGE BASINS ....... 9 of 9 134 123 JEMEZ RIVER BASIN ............................ 3 of 3 102 101 MIMBRES RIVER BASIN .......................... 2 of 2 47 43 PECOS RIVER BASIN ............................ 1 of 1 107 112 SAN JUAN RIVER HEADWATERS .................... 5 of 5 115 124 ANIMAS RIVER BASIN ........................... 7 of 7 121 113 CIMARRON RIVER BASIN ......................... 2 of 2 155 116 ZUNI/BLUEWATER RIVER BASIN ................... 1 of 1 177 147 RIO HONDO BASIN .............................. 1 of 1 103 79 STATE: UTAH BEAR RIVER ................................... 8 of 10 93 95 WEBER-OGDEN RIVERS ........................... 14 of 17 97 100 PROVO R.-UTAH LAKE-JORDAN R. ................. 12 of 15 100 106 TOOELE VALLEY-VERNON CREEK ................... 3 of 3 97 115 GREEN RIVER .................................. 6 of 6 68 91 DUCHESNE RIVER ............................... 11 of 12 91 92 PRICE-SAN RAFAEL ............................. 5 of 6 88 97 DIRTY DEVIL .................................. 3 of 3 72 93 SOUTH EASTERN UTAH ........................... 3 of 3 115 90 SEVIER RIVER ................................. 14 of 16 106 117 BEAVER RIVER ................................. 2 of 2 116 131 ESCALANTE RIVER .............................. 2 of 3 75 87 VIRGIN RIVER ................................. 7 of 9 126 133 STATE: WYOMING LITTLE SNAKE RIVER ........................... 5 of 5 108 111 UPPER GREEN RIVER ............................ 11 of 12 97 107 LOWER GREEN RIVER ............................ 7 of 7 76 86 UPPER BEAR RIVER ............................. 7 of 7 91 89 PACIFIC NORTHWEST REGION STATE: IDAHO NORTHERN PANHANDLE REGION .................... 12 of 16 78 89 SPOKANE RIVER BASIN .......................... 8 of 10 86 94 CLEARWATER BASIN ............................. 14 of 15 92 104 SALMON BASIN ................................. 22 of 22 92 94 WEISER BASIN ................................. 3 of 4 80 89 PAYETTE BASIN ................................ 9 of 11 83 85 BOISE BASIN .................................. 10 of 11 85 94 BIG WOOD BASIN ............................... 9 of 9 82 93 LITTLE WOOD BASIN ............................ 4 of 5 90 107 BIG LOST BASIN ............................... 4 of 5 88 97 LITTLE LOST, BIRCH BASINS .................... 4 of 4 92 99 MEDICINE LODGE, BEAVER, CAMAS BASINS ......... 6 of 6 89 101 HENRYS FORK, TETON BASINS .................... 9 of 10 85 91 SNAKE BASIN ABOVE PALISADES .................. 17 of 18 100 105 WILLOW, BLACKFOOT, PORTNEUF BASINS ........... 5 of 5 89 109 SNAKE BASIN ABOVE AMERICAN FALLS ............. 29 of 31 94 101 OAKLEY BASIN ................................. 3 of 3 86 113 SALMON FALLS BASIN ........................... 5 of 5 103 121 BRUNEAU BASIN ................................ 5 of 5 112 125 OWYHEE BASIN ................................. 7 of 8 102 115 BEAR RIVER BASIN ............................. 15 of 15 92 96 STATE: MONTANA KOOTENAI RIVER BASIN ......................... 8 of 8 81 83 FLATHEAD RIVER BASIN ......................... 14 of 15 83 86 UPPER CLARK FORK RIVER BASIN ................. 13 of 15 102 112 BITTERROOT RIVER BASIN ....................... 7 of 7 98 107 LOWER CLARK FORK RIVER BASIN ................. 8 of 8 86 92 STATE: NEVADA SNAKE RIVER .................................. 3 of 3 108 121 OWYHEE RIVER ................................. 5 of 6 111 121 STATE: OREGON OWYHEE ....................................... 7 of 8 102 115 MALHEUR ...................................... 3 of 3 65 79 GRANDE RONDE, POWDER, BURNT, IMNAHA .......... 14 of 14 87 102 UMATILLA, WALLA WALLA, WILLOW ................ 7 of 8 88 103 JOHN DAY ..................................... 13 of 14 78 88 UPPER DESCHUTES, CROOKED ..................... 12 of 14 90 90 HOOD, SANDY, LOWER DESCHUTES ................. 8 of 8 110 99 COAST RANGE .................................. 2 of 2 0 73 WILLAMETTE ................................... 19 of 2 0 91 ROGUE, UMPQUA ................................ 11 of 13 85 91 LAKE COUNTY, GOOSE LAKE ...................... 7 of 8 73 79 HARNEY ....................................... 7 of 7 68 89 STATE: WASHINGTON NORTHERN PANHANDLE ........................... 11 of 13 78 89 SPOKANE ...................................... 8 of 10 81 94 UPPER COLUMBIA ............................... 3 of 5 71 75 CENTRAL COLUMBIA ............................. 8 of 8 70 96 UPPER YAKIMA ................................. 3 of 5 68 107 LOWER YAKIMA ................................. 7 of 7 92 95 LOWER SNAKE .................................. 2 of 2 88 116 LOWER COLUMBIA ............................... 8 of 10 99 91 SOUTH PUGET SOUND ............................ 7 of 8 89 108 CENTRAL PUGET SOUND .......................... 8 of 9 92 105 NORTH PUGET SOUND ............................ 6 of 9 70 86 OLYMPIC ...................................... 3 of 3 59 91 STATE: WYOMING SNAKE RIVER .................................. 14 of 16 101 104 MID PACIFIC REGION STATE: CALIFORNIA NORTHERN GREAT BASIN ......................... 4 of 4 71 94 TRUCKEE RIVER ................................ 8 of 8 64 75 LAKE TAHOE ................................... 8 of 8 65 77 CARSON RIVER ................................. 5 of 9 73 88 WALKER RIVER ................................. 5 of 6 70 87 STATE: NEVADA NORTHERN GREAT BASIN ......................... 4 of 4 71 94 UPPER HUMBOLDT RIVER ......................... 5 of 5 91 118 LOWER HUMBOLDT RIVER ......................... 4 of 5 76 93 CLOVER VALLEY ................................ 1 of 1 46 122 EASTERN NEVADA ............................... 3 of 3 129 125 STATES: CALIFORNIA-OREGON KLAMATH ...................................... 15 of 18 87 90 GREAT PLAINS REGION STATE: COLORADO SOUTH PLATTE RIVER BASIN ..................... 14 of 15 105 107 LARAMIE AND NORTH PLATTE RIVER BASINS ........ 13 of 13 106 106 ARKANSAS RIVER BASIN ......................... 6 of 9 132 105 STATE: MONTANA JEFFERSON RIVER BASIN ........................ 19 of 19 103 111 MADISON RIVER BASIN .......................... 11 of 11 90 94 GALLATIN RIVER BASIN ......................... 7 of 7 93 101 MISSOURI HEADWATERS .......................... 31 of 31 96 104 HEADWATERS MISSOURI MAINSTEM ................. 4 of 5 111 112 SMITH, JUDITH, AND MUSSELSHELL RIVER BASINS .. 9 of 9 99 103 SUN, TETON AND MARIAS RIVER BASINS ........... 6 of 6 73 86 MISSOURI MAINSTEM RIVER BASIN ................ 19 of 20 91 100 ST. MARY AND MILK RIVER BASINS ............... 2 of 3 75 76 UPPER YELLOWSTONE RIVER BASIN ................ 23 of 23 104 104 WIND RIVER BASIN (WYOMING) ................... 12 of 12 91 100 SHOSHONE RIVER BASIN (WYOMING) ............... 6 of 6 99 107 BIGHORN RIVER BASIN (WYOMING) ................ 16 of 16 107 110 TONGUE RIVER BASIN (WYOMING) ................. 6 of 6 118 129 POWDER RIVER BASIN (WYOMING) ................. 6 of 6 121 117 LOWER YELLOWSTONE RIVER BASIN ................ 32 of 32 102 110 STATE: WYOMING UPPER YELLOWSTONE-MADISON .................... 13 of 13 97 94 WIND RIVER ................................... 9 of 9 85 96 BIGHORN BASIN ................................ 16 of 16 107 110 SHOSHONE RIVER ............................... 7 of 7 100 109 POWDER-TONGUE ................................ 12 of 12 119 123 BELLE FOURCHE ................................ 3 of 3 124 162 UPPER N. PLATTE RIVER ........................ 11 of 11 107 111 LOWER N. PLATTE - SWEETWATER - LARAMIE ....... 10 of 10 83 91 LOWER COLORADO REGION STATE: ARIZONA VERDE RIVER BASIN ............................ 5 of 5 151 120 SAN FRANCISCO PEAKS .......................... 1 of 1 189 79 CENTRAL MOGOLLON RIM ......................... 3 of 3 143 120 LITTLE COLORADO - SOUTHERN HEADWATERS ........ 2 of 2 158 141 UPPER SALT RIVER BASIN / WHITE MOUNTAINS ..... 6 of 6 115 104 SAN FRANCISCO RIVER BASIN .................... 5 of 5 83 88 UPPER GILA RIVER BASIN ....................... 3 of 3 56 77 STATE: NEW MEXICO SAN FRANCISCO RIVER BASIN .................... 3 of 3 94 89 GILA RIVER BASIN ............................. 3 of 3 56 77 ----------------------------------------------------------------------------- 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.