12/25/2025

10-Day General Northern California Precipitation Forecast:

The weather forecast for the next ten days

From CDEC: Precipitation to date for water year 2024-2025 - as of 12/25/2025:

Northern Sierra Precipitation: 8-Station Index: " = % of average for this date

San Joaquin Precipitation: 5-Station Index: " = % of average for this date

Tulare Basin Precipitation: 6-Station Index: " = % of average for this date

From CDEC: Average Statewide Snow Water Content Equivalents as of 12/25/2025:

North: 0" = 0% of normal for this date

Central: 0" = 0% of normal for this date

South: 0" = 0% of normal for this date

Statewide: 0" = 0% of normal for this date

River Flows (Current and estimated future flow rates from NOAA's California Nevada River Forecast Center and CDEC)

Sacramento River (I Street Bridge/ Freeport Bridge)

The 12/25/2025 daily average flow was cfs and the average flow is expected to remain relatively unchanged at cfs through 12/30/2025.

Feather River (at Boyd's Landing)

As of 12/25/2025, the Feather River flow is cfs and is expected to remain relatively unchanged at cfs by 12/30/2025.

San Joaquin River (near Vernalis)

As of 12/25/2025, the San Joaquin River flow is cfs and is expected to remain relatively unchanged at cfs by 12/30/2025.

Latest Delta Cross Channel Gate Operation (From the USBR website)

Posted: 10/29/2025 Delta Cross Channel gates will close on Thursday, October 30, 2025 at approximately 10:00 hrs.

Comment: Facility maintenance and gate testing, please use caution

Note 1: Gates may be operated/closed on short notice for fishery protection in the November to January timeframe.

Note 2: Gate operations may take approx 30 minutes to complete, so boats may not be permitted to pass through the gates until approx 30 minutes after the scheduled opening time. Boat passage may be cut off approximately 30 minutes prior to the scheduled closing time.

EC and Bromide:

Banks: EC = 550.9132 uS/cm, Br = 0.3198 mg/L. 10 days ago: EC = 584.5771 uS/cm, Br = 0.2963 mg/L.

Jones: EC = 375 uS/cm, Br = 0.299 mg/L. 10 days ago: EC = 577 uS/cm, Br = 0.34 mg/L.

Clifton Court Forebay: EC = 299.2 uS/cm, Br = N/A mg/L. 10 days ago: EC = 585 uS/cm, Br = N/A mg/L.

Vernalis: EC = 233 uS/cm, Br = 0.1903 mg/L. 10 days ago: EC = 857 uS/cm, Br = 0.3431 mg/L.

Gianelli: EC = N/A uS/cm, Br = 0.3619 mg/L. 10 days ago: EC = N/A uS/cm, Br = 0.2452 mg/L.

Organic Carbon, TOC and DOC:

Banks: TOC = 3.91 mg/L, DOC = 3.75 mg/L. 10 days ago: TOC = 3.39 mg/L, DOC = 3.4 mg/L.

Jones: TOC = 3.58 mg/L, DOC = 3.39 mg/L. 10 days ago: TOC = 3.3 mg/L, DOC = 3.16 mg/L.

Vernalis: TOC = 2.63 mg/L, DOC = 2.49 mg/L. 10 days ago: TOC = 3.61 mg/L, DOC = 3.52 mg/L.

Gianelli: TOC = 3.62 mg/L, DOC = 3.6 mg/L. 10 days ago: TOC = 3.1 mg/L, DOC = 3 mg/L.

Daily Average Pumping: 12/15 through 12/24

Banks Pumping Plant ... ranged between 1,420 cfs and 6,871 cfs over the time period. The 12/24 average was 3,676 cfs.

Jones Pumping Plant ... ranged between 922 cfs and 4,146 cfs over the time period. The 12/24 average was 4,069 cfs.

Gianelli Pumping Plant ... discharge generation (San Luis Reservoir water moving out of the reservoir into O'Neill Forebay) ranged between zero cfs and 1,217 cfs over the time period. The 12/24 average was zero cfs.
Discharge pumping (O'Neill Forebay water moving into San Luis Reservoir) ranged between zero cfs and 7,914 cfs over the time period. The 12/24 average was 3,886 cfs.

O'Neill Pumping Plant (Federal CVP) ... discharge generation (O'Neill Forebay water moving into the DMC) varied between zero cfs and zero cfs over the time period. The 12/24 average was zero cfs.
Discharge pumping (DMC water moving into O'Neill Forebay) ranged between 533 cfs and 3,476 cfs over the time period. The 12/24 average was 3,476 cfs.

Dos Amigos Pumping Plant ... ranged between 2,622 cfs and 3,249 cfs over the time period. The 12/24 average was 2,622 cfs.

South Bay Pumping Plant ... ranged between 15 cfs and 104 cfs over the time period. The 12/24 average was 104 cfs.

Barker Slough Pumping Plant ... ranged between 14 cfs and 43 cfs over the time period. The 12/24 average was 22 cfs.

Status of the Temporary Barriers as of 12/25/2025

Middle River Barrier

Mobilization started on April 29 at 3:00pm. In-water work started on May 1 at 9:00am. Turbidity curtains were installed and flap gates were tied open on May 1 at 9:00am. The weir was closed on May 9 at 1:00pm and all 6 flap gates remain tied open. All in-water work was completed on May 10 at 11:30am. All 6 flap gates were released to tidal operation on June 10.

Old River near Tracy Barrier

Mobilization started on May 1. In-water work started on May 3. The weir was fully closed on May 31 at 12:00pm and all 9 flap gates remain tied open. Construction was completed by June 5. All 9 flap gates were released to tidal operation on June 10. Boat portage is available daily from 8am to 6pm Monday to Friday and from 7am to 7pm on weekends.