Update Report Air & Water Database Update Report Update Report Air & Water Database Update Report


Summary of 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 28, 2024
State/River Basin Snow Water
Equivalent
Water Year-to-Date
Precipitation
# of
Sites
Percent of
Median
# of
Sites
Percent of
Median
Alaska 28/59 114    46/59 104   
Arizona 21/23 249*   19/23 99   
California 32/32 109    32/32 98   
Colorado 100/105 107    101/105 102   
Idaho North of Salmon River 30/31 73    29/31 84   
Idaho South of Salmon River 65/65 100    65/65 99   
Montana 86/91 73    84/91 81   
Nevada 30/32 146    31/32 122   
New Mexico 21/21 164    21/21 104   
Oregon 77/81 104    75/81 107   
Utah 89/90 125    90/90 113   
Washington 69/76 69    67/76 90   
Wyoming 78/85 95    81/85 101   
Arkansas River Basin 6/6 121    5/6 106   
Colorado River Basin 102/108 108    104/108 104   
Columbia River Basin 260/266 84    255/266 95   
Missouri River Basin 45/48 76    44/48 84   
Rio Grande River Basin 28/29 130    29/29 103   
The Great Basin 104/105 121    105/105 110