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

Long Range Daily Ensemble CSV File Download

Forecast Groups

Forecast Group

Filename

Date/Time Last Modified

Size

Klamath2026032212_klamath_hefs_csv_daily.zip22-Mar-2026 07:52 AM PDT1181K
North Coast2026032212_NorthCoast_hefs_csv_daily.zip22-Mar-2026 08:11 AM PDT1136K
Russian/Napa2026032212_RussianNapa_hefs_csv_daily.zip22-Mar-2026 08:11 AM PDT1391K
Upper Sacramento2026032212_UpperSacramento_hefs_csv_daily.zip22-Mar-2026 07:32 AM PDT1411K
Feather/Yuba2026032212_FeatherYuba_hefs_csv_daily.zip22-Mar-2026 07:21 AM PDT2144K
Cache/Putah2026032212_cacheputah_hefs_csv_daily.zip22-Mar-2026 07:31 AM PDT191K
American2026032212_american_hefs_csv_daily.zip22-Mar-2026 07:19 AM PDT1757K
Salinas/Pajaro2026032212_SalinasPajaro_hefs_csv_daily.zip22-Mar-2026 08:12 AM PDT487K
South Bay2026032212_SouthBay_hefs_csv_daily.zip22-Mar-2026 08:16 AM PDT378K
Southern California2026032212_SouthernCalifornia_hefs_csv_daily.zip22-Mar-2026 08:19 AM PDT897K
San Diego/Inland2026032212_SanDiego_Inland_hefs_csv_daily.zip22-Mar-2026 08:18 AM PDT561K
Tulare2026032212_Tulare_hefs_csv_daily.zip22-Mar-2026 07:19 AM PDT832K
San Joaquin2026032212_SanJoaquin_hefs_csv_daily.zip22-Mar-2026 07:32 AM PDT1285K
North San Joaquin2026032212_n_sanjoaquin_hefs_csv_daily.zip22-Mar-2026 07:50 AM PDT513K
East Sierra2026032212_EastSierra_hefs_csv_daily.zip22-Mar-2026 08:19 AM PDT1968K
Humboldt2026032212_Humboldt_hefs_csv_daily.zip22-Mar-2026 07:51 AM PDT702K
Water Supply Indices2026032212_WSI_hefs_csv_daily.zip22-Mar-2026 08:08 AM PDT216K

Note 1: Data represented in the files are in kcfs (thousands of cubic feet per second).

Note 2: Each location includes 44 ensemble members with the first column starting with year 1980 and the last column ending with year 2023. Each historical year is more meaningful beyond the first couple weeks when climatology drives the spread in the ensemble.

Note 3: On October 20, 2022 the Central Coast forecast group was split into two forecast groups (Salinas/Pajaro and South Bay) and the Southern California forecast group was split into two forecast groups (Southern California and San Diego/Inland).

Individual Points

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Forecast Groups Archive

Forecast Group

Start Date

End Date