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 FRIDAY: MAY 9 , 2008 ----------------------------------------------------------------------------- STATE PERCENT OF AVERAGE RIVER BASIN Number Snow Water Accum of Sites Equivalent Precip ----------------------------------------------------------------------------- ALASKA ANCHORAGE/SHIP CREEK BASIN ................... 0 of 3 * * SUSITNA BASIN ................................ 0 of 5 * * NORTHERN KENAI MOUNTAINS ..................... 0 of 6 * * SOUTHERN KENAI ............................... 0 of 6 * * COPPER BASIN ................................. 0 of 4 * * PRINCE WILLIAM SOUND ......................... 0 of 6 * * CHENA BASIN .................................. 0 of 6 * * UPPER TANANA ................................. 0 of 2 * * KOYUKUK BASIN ................................ 0 of 3 * * CENTRAL YUKON BASIN .......................... 0 of 3 * * SEWARD PENINSULA ............................. 0 of 3 * * KUPARUK RIVER BASIN .......................... 0 of 1 * * SOUTHEAST ALASKA BASIN ....................... 0 of 1 * * ARIZONA VERDE RIVER BASIN ............................ 0 of 5 * * SAN FRANCISCO PEAKS .......................... 0 of 1 * * CENTRAL MOGOLLON RIM ......................... 0 of 3 * * LITTLE COLORADO - SOUTHERN HEADWATERS ........ 0 of 2 * * UPPER SALT RIVER BASIN / WHITE MOUNTAINS ..... 0 of 6 * * SAN FRANCISCO RIVER BASIN .................... 0 of 5 * * UPPER GILA RIVER BASIN ....................... 0 of 3 * * CALIFORNIA NORTHERN GREAT BASIN ......................... 0 of 4 * * TRUCKEE RIVER ................................ 0 of 8 * * LAKE TAHOE ................................... 0 of 8 * * CARSON RIVER ................................. 0 of 9 * * WALKER RIVER ................................. 0 of 6 * * KLAMATH ...................................... 0 of 10 * * COLORADO GUNNISON RIVER BASIN ......................... 0 of 13 * * UPPER COLORADO RIVER BASIN ................... 0 of 29 * * SOUTH PLATTE RIVER BASIN ..................... 0 of 15 * * LARAMIE AND NORTH PLATTE RIVER BASINS ........ 0 of 13 * * YAMPA AND WHITE RIVER BASINS ................. 0 of 19 * * ARKANSAS RIVER BASIN ......................... 0 of 9 * * UPPER RIO GRANDE BASIN ....................... 0 of 13 * * SAN MIGUEL, DOLORES, ANIMAS AND SAN JUAN RIVER BASINS ................. 0 of 16 * * IDAHO IDAHO PANHANDLE REGION ....................... 0 of 17 * * CLEARWATER BASIN ............................. 0 of 15 * * SALMON BASIN ................................. 0 of 22 * * WEISER BASIN ................................. 0 of 4 * * PAYETTE BASIN ................................ 0 of 11 * * BOISE BASIN .................................. 0 of 11 * * BIG WOOD BASIN ............................... 0 of 9 * * LITTLE WOOD BASIN ............................ 0 of 5 * * BIG LOST BASIN ............................... 0 of 5 * * LITTLE LOST, BIRCH BASINS .................... 0 of 4 * * MEDICINE LODGE, BEAVER, CAMAS BASINS ......... 0 of 6 * * HENRYS FORK, TETON BASINS .................... 0 of 10 * * SNAKE BASIN ABOVE PALISADES .................. 0 of 18 * * WILLOW, BLACKFOOT, PORTNEUF BASINS ........... 0 of 5 * * OAKLEY BASIN ................................. 0 of 3 * * SALMON FALLS BASIN ........................... 0 of 5 * * BRUNEAU BASIN ................................ 0 of 5 * * OWYHEE BASIN ................................. 0 of 8 * * BEAR RIVER BASIN ............................. 0 of 15 * * MONTANA KOOTENAI RIVER BASIN ......................... 0 of 8 * * FLATHEAD RIVER BASIN ......................... 0 of 15 * * UPPER CLARK FORK RIVER BASIN ................. 0 of 15 * * BITTERROOT RIVER BASIN ....................... 0 of 7 * * LOWER CLARK FORK RIVER BASIN ................. 0 of 8 * * JEFFERSON RIVER BASIN ........................ 0 of 19 * * MADISON RIVER BASIN .......................... 0 of 11 * * GALLATIN RIVER BASIN ......................... 0 of 7 * * MISSOURI HEADWATERS .......................... 0 of 31 * * HEADWATERS MISSOURI MAINSTEM ................. 0 of 5 * * SMITH, JUDITH, AND MUSSELSHELL RIVER BASINS .. 0 of 9 * * SUN, TETON AND MARIAS RIVER BASINS ........... 0 of 6 * * MISSOURI MAINSTEM RIVER BASIN ................ 0 of 20 * * ST. MARY AND MILK RIVER BASINS ............... 0 of 3 * * UPPER YELLOWSTONE RIVER BASIN ................ 0 of 23 * * WIND RIVER BASIN (WYOMING) ................... 0 of 12 * * SHOSHONE RIVER BASIN (WYOMING) ............... 0 of 6 * * BIGHORN RIVER BASIN (WYOMING) ................ 0 of 16 * * TONGUE RIVER BASIN (WYOMING) ................. 0 of 6 * * POWDER RIVER BASIN (WYOMING) ................. 0 of 6 * * LOWER YELLOWSTONE RIVER BASIN ................ 0 of 32 * * NEVADA NORTHERN GREAT BASIN ......................... 0 of 4 * * SNAKE RIVER .................................. 0 of 3 * * OWYHEE RIVER ................................. 0 of 6 * * UPPER HUMBOLDT RIVER ......................... 0 of 5 * * LOWER HUMBOLDT RIVER ......................... 0 of 5 * * CLOVER VALLEY ................................ 0 of 1 * * EASTERN NEVADA ............................... 0 of 3 * * NEW MEXICO RIO CHAMA RIVER BASIN ........................ 0 of 4 * * UPPER RIO GRANDE BASIN ....................... 0 of 9 * * SANGRE DE CRISTO MOUNTAIN RANGE BASINS ....... 0 of 9 * * JEMEZ RIVER BASIN ............................ 0 of 3 * * SAN FRANCISCO RIVER BASIN .................... 0 of 3 * * GILA RIVER BASIN ............................. 0 of 3 * * MIMBRES RIVER BASIN .......................... 0 of 2 * * PECOS RIVER BASIN ............................ 0 of 1 * * SAN JUAN RIVER HEADWATERS .................... 0 of 5 * * ANIMAS RIVER BASIN ........................... 0 of 7 * * CIMARRON RIVER BASIN ......................... 0 of 2 * * ZUNI/BLUEWATER RIVER BASIN ................... 0 of 1 * * RIO HONDO BASIN .............................. 0 of 1 * * OREGON OWYHEE ....................................... 0 of 8 * * MALHEUR ...................................... 0 of 3 * * GRANDE RONDE, POWDER, BURNT, IMNAHA .......... 0 of 14 * * UMATILLA, WALLA WALLA, WILLOW ................ 0 of 8 * * JOHN DAY ..................................... 0 of 14 * * UPPER DESCHUTES, CROOKED ..................... 0 of 14 * * HOOD, SANDY, LOWER DESCHUTES ................. 0 of 8 * * COAST RANGE .................................. 0 of 2 * * WILLAMETTE ................................... 0 of 2 * * ROGUE, UMPQUA ................................ 0 of 13 * * KLAMATH ...................................... 0 of 18 * * LAKE COUNTY, GOOSE LAKE ...................... 0 of 8 * * HARNEY ....................................... 0 of 7 * * UTAH BEAR RIVER ................................... 0 of 10 * * WEBER-OGDEN RIVERS ........................... 0 of 17 * * PROVO R.-UTAH LAKE-JORDAN R. ................. 0 of 15 * * TOOELE VALLEY-VERNON CREEK ................... 0 of 3 * * GREEN RIVER .................................. 0 of 6 * * DUCHESNE RIVER ............................... 0 of 12 * * PRICE-SAN RAFAEL ............................. 0 of 6 * * DIRTY DEVIL .................................. 0 of 3 * * SOUTH EASTERN UTAH ........................... 0 of 3 * * SEVIER RIVER ................................. 0 of 16 * * BEAVER RIVER ................................. 0 of 2 * * ESCALANTE RIVER .............................. 0 of 3 * * VIRGIN RIVER ................................. 0 of 9 * * WASHINGTON PRIEST, COEUR D'ALENE, ST. JOE, SPOKANE, PALOUSE BASINS .............. 0 of 13 * * COLUMBIA ABOVE METHOW ........................ 0 of 5 * * CHELAN, ENTIAT, WENATCHEE .................... 0 of 8 * * UPPER YAKIMA ................................. 0 of 5 * * LOWER YAKIMA ................................. 0 of 7 * * WALLA WALLA, TOUCHET ......................... 0 of 2 * * LEWIS, COWLITZ ............................... 0 of 10 * * WHITE, GREEN, PUYALLUP ....................... 0 of 8 * * CEDAR, SNOQUALMIE, SKYKOMISH, TOLT ........... 0 of 9 * * BAKER, SKAGIT, NOOKSACK ...................... 0 of 9 * * OLYMPIC ...................................... 0 of 3 * * WYOMING SNAKE RIVER .................................. 0 of 16 * * UPPER YELLOWSTONE-MADISON .................... 0 of 13 * * WIND RIVER ................................... 0 of 9 * * BIGHORN BASIN ................................ 0 of 16 * * SHOSHONE RIVER ............................... 0 of 7 * * POWDER-TONGUE ................................ 0 of 12 * * BELLE FOURCHE ................................ 0 of 3 * * UPPER N. PLATTE RIVER ........................ 0 of 11 * * LOWER N. PLATTE - SWEETWATER - LARAMIE ....... 0 of 10 * * LITTLE SNAKE RIVER ........................... 0 of 5 * * UPPER GREEN RIVER ............................ 0 of 12 * * LOWER GREEN RIVER ............................ 0 of 7 * * UPPER BEAR RIVER ............................. 0 of 7 * * ----------------------------------------------------------------------------- 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.