Western US SNOTEL Snow/Precipitation Update Report
Based on Mountain Data from NRCS SNOTEL Sites
**Provisional data, subject to revision**
Data based on the first reading of the day (typically 00:00) for Thursday, March 17, 2022
State
  River Basin
Snow Water
Equivalent
Water Year-to-Date
Precipitation
# of
Sites
Percent of
Median
# of
Sites
Percent of
Median
ALASKA
  ANCHORAGE/SHIP CREEK BASIN 4/4 141    4/4 126   
  SUSITNA BASIN 1/5 163    3/5 145   
  NORTHERN KENAI MOUNTAINS 6/7 97    6/7 106   
  SOUTHERN KENAI 2/6 109    4/6 89   
  COPPER BASIN 2/3 106    2/3 87   
  PRINCE WILLIAM SOUND 1/7 181    3/7 105   
  CHENA BASIN 5/7 212    6/7 180   
  UPPER TANANA 2/4 210    2/4 188   
  KOYUKUK BASIN 2/6 136    4/6 117   
  CENTRAL YUKON BASIN 0/5 *   3/5 170   
  NORTON SOUND 0/4 *   2/4 106   
  KUPARUK-SAGAVANIRKTOK RIVER BASIN 0/3 *   3/3 104   
  NORTHWEST ARCTIC RIVER BASIN 1/1 127    1/1 95   
  SOUTHEAST ALASKA BASIN 1/3 123    2/3 109   
ARIZONA
  VERDE RIVER BASIN 9/10 145    8/10 82   
  SAN FRANCISCO PEAKS 1/1 116    1/1 90   
  CENTRAL MOGOLLON RIM 4/4 50    4/4 66   
  LITTLE COLORADO RIVER BASIN 11/11 88    11/11 76   
  SALT RIVER BASIN 9/10 46*   8/10 63   
  SAN FRANCISCO / UPPER GILA RIVER BASIN 8/8 36*   5/8 52   
  CHUSKA MOUNTAINS 2/2 179    2/2 97   
CALIFORNIA
  NORTHERN GREAT BASIN 7/8 76    7/8 97   
  TRUCKEE RIVER 11/12 76    11/12 101   
  LAKE TAHOE 11/11 66    11/11 103   
  CARSON RIVER 12/12 67    12/12 98   
  WALKER RIVER 7/7 69    7/7 94   
COLORADO
  GUNNISON RIVER BASIN 15/16 112    15/16 112   
  UPPER COLORADO RIVER BASIN 32/35 103    32/35 105   
  SOUTH PLATTE RIVER BASIN 20/22 99    20/22 101   
  LARAMIE AND NORTH PLATTE RIVER BASINS 12/12 99    12/12 104   
  YAMPA AND WHITE RIVER BASINS 20/22 92    21/22 100   
  ARKANSAS RIVER BASIN 11/11 92    11/11 96   
  UPPER RIO GRANDE BASIN 17/20 98    18/20 94   
  SAN MIGUEL, DOLORES, ANIMAS AND SAN JUAN RIVER BASINS 20/21 105    20/21 99   
IDAHO
  NORTHERN PANHANDLE REGION 10/10 92    9/10 107   
  COEUR D'ALENE-ST. JOE RIVER BASIN 7/7 99    7/7 102   
  CLEARWATER BASIN 16/16 96    16/16 100   
  SALMON BASIN 20/20 88    20/20 94   
  WEISER BASIN 4/4 78    4/4 87   
  PAYETTE BASIN 12/12 80    12/12 89   
  BOISE BASIN 10/11 78    10/11 89   
  BIG WOOD BASIN 8/9 83    8/9 89   
  LITTLE WOOD BASIN 4/5 90    4/5 111   
  BIG LOST BASIN 5/5 90    5/5 104   
  LITTLE LOST 3/3 95    3/3 108   
  BIRCH, MEDICINE LODGE, BEAVER, CAMAS BASINS 4/4 76    4/4 114   
  HENRYS FORK, TETON BASINS 8/8 74    8/8 88   
  SNAKE BASIN ABOVE PALISADES 21/21 79    21/21 90   
  WILLOW, BLACKFOOT, PORTNEUF BASINS 6/7 79    6/7 100   
  SNAKE BASIN ABOVE AMERICAN FALLS 29/29 78    29/29 91   
  RAFT BASIN 2/2 94    2/2 98   
  GOOSE CREEK BASIN 2/2 95    2/2 111   
  SALMON FALLS BASIN 4/6 91    4/6 109   
  BRUNEAU BASIN 5/8 78    5/8 101   
  OWYHEE BASIN 8/12 76    9/12 101   
  BEAR RIVER BASIN 21/21 84    21/21 101   
MONTANA
  KOOTENAI RIVER BASIN 8/8 104    8/8 123   
  FLATHEAD RIVER BASIN 14/17 106    14/17 114   
  UPPER CLARK FORK RIVER BASIN 14/14 91    14/14 94   
  BITTERROOT RIVER BASIN 8/8 96    8/8 103   
  LOWER CLARK FORK RIVER BASIN 9/9 100    9/9 104   
  JEFFERSON RIVER BASIN 19/21 87    19/21 101   
  MADISON RIVER BASIN 11/12 80    11/12 93   
  GALLATIN RIVER BASIN 7/7 81    7/7 92   
  MISSOURI HEADWATERS 31/31 83    31/31 96   
  HELENA VALLEY 4/4 80    4/4 92   
  SMITH, JUDITH, AND MUSSELSHELL RIVER BASINS 7/9 85    7/9 80   
  SUN, TETON AND MARIAS RIVER BASINS 5/6 112    5/6 114   
  MISSOURI MAINSTEM RIVER BASIN 18/21 95    18/21 95   
  ST. MARYS RIVER BASIN 2/2 109    2/2 118   
  MILK RIVER BASIN 1/1 91    1/1 87   
  UPPER YELLOWSTONE RIVER BASIN 21/22 82    21/22 89   
  WIND RIVER BASIN (WYOMING) 11/13 96    11/13 100   
  SHOSHONE RIVER BASIN (WYOMING) 6/6 83    6/6 87   
  BIGHORN RIVER BASIN (WYOMING) 24/26 88    24/26 94   
  TONGUE RIVER BASIN (WYOMING) 7/7 90    7/7 105   
  POWDER RIVER BASIN (WYOMING) 7/7 85    7/7 99   
  LOWER YELLOWSTONE RIVER BASIN 33/35 88    33/35 98   
NEVADA
  NORTHERN GREAT BASIN 7/8 76    7/8 97   
  SNAKE RIVER 7/11 83    7/11 105   
  OWYHEE RIVER 6/10 76    7/10 101   
  UPPER HUMBOLDT RIVER 9/16 72    10/16 96   
  LOWER HUMBOLDT RIVER 6/10 81    7/10 108   
  CLOVER VALLEY & FRANKLIN RIVER 5/6 76    5/6 96   
  EASTERN NEVADA BASINS 5/14 89    5/14 103   
  SOUTHERN NEVADA - Spring Mountains 3/3 155    3/3 106   
NEW MEXICO
  RIO CHAMA RIVER BASIN 4/5 106    4/5 102   
  UPPER RIO GRANDE BASIN - New Mexico 10/12 89    10/12 77   
  SANGRE DE CRISTO MOUNTAIN RANGE BASINS 10/11 78    10/11 78   
  JEMEZ RIVER BASIN 3/4 85    3/4 66   
  SAN FRANCISCO RIVER BASIN 6/6 36*   5/6 52   
  GILA RIVER BASIN 3/3 11*   1/3 50   
  MIMBRES RIVER BASIN 2/2 *   1/2 34   
  PECOS RIVER BASIN 3/3 68    3/3 69   
  SAN JUAN RIVER BASIN 13/13 104    13/13 98   
  ANIMAS RIVER BASIN 7/7 100    7/7 99   
  CANADIAN RIVER BASIN 6/7 86    6/7 74   
  ZUNI/BLUEWATER RIVER BASIN 1/1 212    0/1 *  
  RIO HONDO BASIN 1/1 3    1/1 48   
  CHUSKA MOUNTAINS 2/2 179    2/2 97   
OREGON
  OWYHEE 8/12 76    9/12 101   
  MALHEUR 3/3 52    3/3 70   
  GRANDE RONDE, POWDER, BURNT, IMNAHA 19/19 84    19/19 87   
  UMATILLA, WALLA WALLA, WILLOW 10/10 95    10/10 94   
  JOHN DAY 13/13 75    13/13 84   
  UPPER DESCHUTES, CROOKED 14/14 72    14/14 84   
  HOOD, SANDY, LOWER DESCHUTES 9/9 111    9/9 100   
  COAST RANGE 2/2 0    2/2 114   
  WILLAMETTE 21/23 89    21/23 94   
  ROGUE, UMPQUA 12/13 63    12/13 72   
  KLAMATH 18/20 52    18/20 72   
  LAKE COUNTY, GOOSE LAKE 6/7 63    6/7 80   
  HARNEY 11/12 68    11/12 89   
UTAH
  RAFT RIVER 2/2 94    2/2 98   
  BEAR RIVER 25/26 85    25/26 101   
  WEBER-OGDEN RIVERS 20/23 82    20/23 96   
  PROVO R.-UTAH LAKE-JORDAN R. 19/24 83    19/24 102   
  TOOELE VALLEY-VERNON CREEK 3/4 73    3/4 91   
  NORTHEASTERN UINTAHS 11/13 99    11/13 110   
  DUCHESNE RIVER 14/15 95    14/15 112   
  PRICE-SAN RAFAEL 8/14 91    8/14 118   
  DIRTY DEVIL 5/9 91    5/9 109   
  SOUTH EASTERN UTAH 5/11 102    5/11 108   
  UPPER SEVIER RIVER 17/23 94    18/23 99   
  SAN PITCH RIVER 6/12 87    6/12 107   
  LOWER SEVIER RIVER 3/5 92    3/5 94   
  BEAVER RIVER 3/3 113    3/3 107   
  ESCALANTE RIVER 4/5 87    4/5 89   
  SOUTHWESTERN UTAH 10/13 96    10/13 105   
WASHINGTON
  SPOKANE 9/9 95    9/9 101   
  LOWER PEND OREILLE 5/5 90    5/5 102   
  UPPER COLUMBIA 7/9 94    7/9 107   
  CENTRAL COLUMBIA 11/11 89    11/11 107   
  UPPER YAKIMA 7/7 86    7/7 102   
  NACHES 8/8 84    7/8 103   
  LOWER YAKIMA 3/4 55    3/4 90   
  KLICKITAT 4/5 68    4/5 97   
  LOWER SNAKE, WALLA WALLA 14/14 84    14/14 88   
  LOWER COLUMBIA 15/17 88    14/17 111   
  SOUTH PUGET SOUND 13/14 90    12/14 106   
  CENTRAL PUGET SOUND 9/9 95    9/9 113   
  NORTH PUGET SOUND 12/13 93    11/13 113   
  OLYMPIC 4/4 80    4/4 108   
WYOMING
  SNAKE RIVER 22/22 79    22/22 90   
  MADISON HEADWATERS IN WYOMING 4/5 75    4/5 84   
  YELLOWSTONE HEADWATERS IN WYOMING 11/12 84    11/12 88   
  WIND RIVER 9/11 95    9/11 102   
  BIGHORN BASIN 11/11 87    11/11 94   
  SHOSHONE RIVER 6/6 83    6/6 87   
  POWDER RIVER 7/7 85    7/7 99   
  TONGUE RIVER 7/7 90    7/7 105   
  BELLE FOURCHE 3/3 67    3/3 81   
  CHEYENNE RIVER BASIN 2/2 66    2/2 73   
  UPPER N. PLATTE 19/20 94    19/20 101   
  SWEETWATER 2/3 80    3/3 91   
  LOWER N. PLATTE 4/4 87    4/4 115   
  LARAMIE RIVER 7/7 101    7/7 102   
  S. PLATTE 1/1 78    1/1 100   
  LITTLE SNAKE RIVER 8/9 92    8/9 101   
  UPPER GREEN RIVER 13/15 79    14/15 92   
  LOWER GREEN RIVER 10/12 90    10/12 105   
  UPPER BEAR RIVER 12/12 87    12/12 103