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 Sunday, August 07, 2022
State/River Basin Snow Water
Equivalent
Water Year-to-Date
Precipitation
# of
Sites
Percent of
Median
# of
Sites
Percent of
Median
Alaska 27/59 *   44/59 108   
Arizona 17/23 *   19/23 90   
California 31/32 *   31/32 97   
Colorado 82/105 *   82/105 101   
Idaho North of Salmon River 30/31 *   31/31 108   
Idaho South of Salmon River 58/65 *   59/65 98   
Montana 86/91 *   87/91 105   
Nevada 30/31 *   31/31 97   
New Mexico 17/21 *   17/21 96   
Oregon 65/81 *   74/81 103   
Utah 81/90 *   90/90 94   
Washington 54/76 *   51/76 114   
Wyoming 74/85 *   76/85 98   
Arkansas River Basin 4/6 *   2/6 93*  
Colorado River Basin 90/108 *   96/108 99   
Columbia River Basin 231/266 *   237/266 107   
Missouri River Basin 45/48 *   45/48 102   
Rio Grande River Basin 23/29 *   24/29 101   
The Great Basin 99/105 *   104/105 95