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

Short Range Hourly Ensemble CSV File Download

Forecast Groups

Help \"Help\"
Forecast Group

Filename

Date/Time Last Modified

Size

ID Help Doc

Klamath2025052012_klamath_hefs_csv_hourly.zip20-May-2025 08:26 AM PDT2199K
North Coast2025052012_NorthCoast_hefs_csv_hourly.zip20-May-2025 08:23 AM PDT754K
Russian/Napa2025052012_RussianNapa_hefs_csv_hourly.zip20-May-2025 08:26 AM PDT1135K
Upper Sacramento2025052012_UpperSacramento_hefs_csv_hourly.zip20-May-2025 08:29 AM PDT2597K
Feather/Yuba2025052012_FeatherYuba_hefs_csv_hourly.zip20-May-2025 08:03 AM PDT2937K
Cache/Putah2025052012_cacheputah_hefs_csv_hourly.zip20-May-2025 08:06 AM PDT465K
American2025052012_american_hefs_csv_hourly.zip20-May-2025 07:58 AM PDT2687K
Lower Sacramento2025052012_LowerSacramento_hefs_csv_hourly.zip20-May-2025 08:34 AM PDT219K
Salinas/Pajaro2025052012_SalinasPajaro_hefs_csv_hourly.zip20-May-2025 08:51 AM PDT244K
South Bay2025052012_SouthBay_hefs_csv_hourly.zip20-May-2025 08:54 AM PDT378K
Southern California2025052012_SouthernCalifornia_hefs_csv_hourly.zip20-May-2025 08:54 AM PDT195K
San Diego/Inland2025052012_SanDiego_Inland_hefs_csv_hourly.zip20-May-2025 08:53 AM PDT114K
Tulare2025052012_Tulare_hefs_csv_hourly.zip20-May-2025 08:06 AM PDT961K
San Joaquin2025052012_SanJoaquin_hefs_csv_hourly.zip20-May-2025 11:56 AM PDT1838K
North San Joaquin2025052012_n_sanjoaquin_hefs_csv_hourly.zip20-May-2025 08:14 AM PDT428K
East Sierra2025052012_EastSierra_hefs_csv_hourly.zip20-May-2025 10:33 AM PDT3085K
Humboldt2025052012_Humboldt_hefs_csv_hourly.zip20-May-2025 09:00 AM PDT925K

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

Start Hour
(Forecast Cycle)


End Date

End Hour
(Forecast Cycle)