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Long Range Daily Ensemble CSV File Download

Forecast Groups

Forecast Group

Filename

Date/Time Last Modified

Size

Klamath2026090412_klamath_hefs_csv_daily.zip04-Sep-2026 07:57 AM PDT1212K
North Coast2026090412_NorthCoast_hefs_csv_daily.zip04-Sep-2026 07:58 AM PDT1143K
Russian/Napa2026090412_RussianNapa_hefs_csv_daily.zip04-Sep-2026 08:03 AM PDT1514K
Upper Sacramento2026090412_UpperSacramento_hefs_csv_daily.zip04-Sep-2026 07:48 AM PDT1420K
Feather/Yuba2026090412_FeatherYuba_hefs_csv_daily.zip04-Sep-2026 07:48 AM PDT2216K
Cache/Putah2026090412_cacheputah_hefs_csv_daily.zip04-Sep-2026 07:47 AM PDT209K
American2026090412_american_hefs_csv_daily.zip04-Sep-2026 07:48 AM PDT1808K
Salinas/Pajaro2026090412_SalinasPajaro_hefs_csv_daily.zip04-Sep-2026 08:04 AM PDT564K
South Bay2026090412_SouthBay_hefs_csv_daily.zip04-Sep-2026 08:05 AM PDT446K
Southern California2026090412_SouthernCalifornia_hefs_csv_daily.zip04-Sep-2026 08:25 AM PDT1002K
San Diego/Inland2026090412_SanDiego_Inland_hefs_csv_daily.zip04-Sep-2026 08:25 AM PDT676K
Tulare2026090412_Tulare_hefs_csv_daily.zip04-Sep-2026 07:51 AM PDT858K
San Joaquin2026090412_SanJoaquin_hefs_csv_daily.zip04-Sep-2026 07:58 AM PDT1320K
North San Joaquin2026090412_n_sanjoaquin_hefs_csv_daily.zip04-Sep-2026 07:51 AM PDT526K
East Sierra2026090412_EastSierra_hefs_csv_daily.zip04-Sep-2026 08:26 AM PDT2062K
Humboldt2026090412_Humboldt_hefs_csv_daily.zip04-Sep-2026 08:24 AM PDT758K
Water Supply Indices2026090412_WSI_hefs_csv_daily.zip04-Sep-2026 08:30 AM PDT217K

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