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

Klamath2026072412_klamath_hefs_csv_daily.zip24-Jul-2026 06:57 AM PDT1133K
North Coast2026072412_NorthCoast_hefs_csv_daily.zip24-Jul-2026 06:58 AM PDT1052K
Russian/Napa2026072412_RussianNapa_hefs_csv_daily.zip24-Jul-2026 06:57 AM PDT1398K
Upper Sacramento2026072412_UpperSacramento_hefs_csv_daily.zip24-Jul-2026 06:39 AM PDT1329K
Feather/Yuba2026072412_FeatherYuba_hefs_csv_daily.zip24-Jul-2026 06:48 AM PDT2075K
Cache/Putah2026072412_cacheputah_hefs_csv_daily.zip24-Jul-2026 07:01 AM PDT189K
American2026072412_american_hefs_csv_daily.zip24-Jul-2026 06:49 AM PDT1687K
Salinas/Pajaro2026072412_SalinasPajaro_hefs_csv_daily.zip24-Jul-2026 06:57 AM PDT533K
South Bay2026072412_SouthBay_hefs_csv_daily.zip24-Jul-2026 06:51 AM PDT414K
Southern California2026072412_SouthernCalifornia_hefs_csv_daily.zip24-Jul-2026 06:44 AM PDT916K
San Diego/Inland2026072412_SanDiego_Inland_hefs_csv_daily.zip24-Jul-2026 06:43 AM PDT652K
Tulare2026072412_Tulare_hefs_csv_daily.zip24-Jul-2026 07:01 AM PDT817K
San Joaquin2026072412_SanJoaquin_hefs_csv_daily.zip24-Jul-2026 06:45 AM PDT1240K
North San Joaquin2026072412_n_sanjoaquin_hefs_csv_daily.zip24-Jul-2026 07:02 AM PDT487K
East Sierra2026072412_EastSierra_hefs_csv_daily.zip24-Jul-2026 06:46 AM PDT1905K
Humboldt2026072412_Humboldt_hefs_csv_daily.zip24-Jul-2026 07:04 AM PDT710K
Water Supply Indices2026072412_WSI_hefs_csv_daily.zip24-Jul-2026 07:06 AM PDT213K

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

Enter desired location(s) below (some older browsers may allow only one file download at a time):

Forecast Groups Archive

Forecast Group

Start Date

End Date