National Weather Service California Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service

*** IMPORTANT ***  Week of June 16 - Website Data Outage - Due to a major computer upgrade the week of June 16, nearly all data on the CNRFC web site will not be updated. We anticipate the down time to be approximately 4 days. The latest deterministic hydrologic forecasts for official forecast points will continue to be available at the National Water Prediction Service during this time.

Raw ESP Water Supply Forecast

*CAUTION: Data below is raw model output and has not been reviewed
*         by a hydrologist.

Program run: 06/16/2025 1408Z
Data ending: 06/16/2025 12Z
* All units are in thousands of acre-feet.

Station: BTYO3 (Sprague - Beatty, At)

MONTHLY DATA

October    Obs:    7.1  Mean:    8.5  WY-to-date: Obs:    7.1 Mean:    8.5
2024       % of mean:    84% 

November   Obs:    9.5  Mean:    9.4  WY-to-date: Obs:   16.7 Mean:   17.9
2024       % of mean:    102% 

December   Obs:   21.6  Mean:   12.5  WY-to-date: Obs:   38.2 Mean:   30.4
2024       % of mean:    173% 

January    Obs:   33.7  Mean:   15.3  WY-to-date: Obs:   71.9 Mean:   45.7
2025       % of mean:    220% 

February   Obs:   28.3  Mean:   17.8  WY-to-date: Obs:  100.2 Mean:   63.4
2025       % of mean:    159% 

March      Obs:   64.9  Mean:   27.8  WY-to-date: Obs:  165.1 Mean:   91.2
2025       % of mean:    233% 

April      Obs:   92.9  Mean:   35.6  WY-to-date: Obs:  258.0 Mean:  126.9
2025       % of mean:    261% 

May        Obs:   52.6  Mean:   35.9  WY-to-date: Obs:  310.6 Mean:  162.8
2025       % of mean:    146% 

June       Obs (thru 16@12Z):    9.4    Mean:   17.9  WY-to-date: Obs:  320.0 Mean:  174.3
2025       Prob. level:      90    75    50    25    10
           Fcst Residual:     8     8     8     8     8
           Obs + Fcst:       17    17    17    17    18
           % of mean:                    97% 

July       Mean:    9.0
2025       Prob. level:      90    75    50    25    10
           Forecast:         13    13    13    13    14
           % of mean:                   147% 

August     Mean:    6.9
2025       Prob. level:      90    75    50    25    10
           Forecast:         10    10    10    10    11
           % of mean:                   145% 

September  Mean:    6.9
2025       Prob. level:      90    75    50    25    10
           Forecast:          9     9    10    10    11
           % of mean:                   141% 

-------------------------------------------------------

Water Year Obs-To-Date:  320.0    Mean:  203.6
WY2025     Prob. level:      90    75    50    25    10
           Fcst Residual:    40    40    41    42    42
           Obs + Fcst:      360   360   361   362   362
           % of mean:                   177%