1/18/2025

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 1/18/2025:

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 1/18/2025:

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 1/18/2025 daily average flow was cfs and the average flow is expected to remain relatively unchanged at cfs through 1/23/2025.

Feather River (at Boyd's Landing)

As of 1/18/2025, the Feather River flow is cfs and is expected to remain relatively unchanged at cfs by 1/23/2025.

San Joaquin River (near Vernalis)

As of 1/18/2025, the San Joaquin River flow is cfs and is expected to remain relatively unchanged at cfs by 1/23/2025.

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

Posted: 11/21/2024

Delta Cross Channel gates are closed and will remain closed until further notice.

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 = 400.4381 uS/cm, Br = 0.3272 mg/L. 10 days ago: EC = 497.9919 uS/cm, Br = 0.4948 mg/L.

Jones: EC = 313 uS/cm, Br = N/A mg/L. 10 days ago: EC = 0 uS/cm, Br = N/A mg/L.

Clifton Court Forebay: EC = 729.1 uS/cm, Br = N/A mg/L. 10 days ago: EC = 422.5 uS/cm, Br = N/A mg/L.

Vernalis: EC = 772 uS/cm, Br = N/A mg/L. 10 days ago: EC = 747 uS/cm, Br = N/A mg/L.

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

Organic Carbon, TOC and DOC:

Banks: TOC = 5.36 mg/L, DOC = 5.29 mg/L. 10 days ago: TOC = 4.49 mg/L, DOC = 4.42 mg/L.

Jones: TOC = N/A mg/L, DOC = 1.74 mg/L. 10 days ago: TOC = N/A mg/L, DOC = 2.93 mg/L.

Vernalis: TOC = N/A mg/L, DOC = N/A mg/L. 10 days ago: TOC = N/A mg/L, DOC = N/A mg/L.

Gianelli: TOC = 4.36 mg/L, DOC = 4.64 mg/L. 10 days ago: TOC = 4.54 mg/L, DOC = 4.44 mg/L.

Daily Average Pumping: 1/8 through 1/17

Banks Pumping Plant ... ranged between 730 cfs and 1,903 cfs over the time period. The 1/17 average was 1,657 cfs.

Jones Pumping Plant ... ranged between 3,425 cfs and 4,210 cfs over the time period. The 1/17 average was 3,495 cfs.

Gianelli Pumping Plant ... discharge generation (San Luis Reservoir water moving out of the reservoir into O'Neill Forebay) ranged between zero cfs and 559 cfs over the time period. The 1/17 average was 559 cfs.
Discharge pumping (O'Neill Forebay water moving into San Luis Reservoir) ranged between 974 cfs and 4,298 cfs over the time period. The 1/17 average was 1,463 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 1/17 average was zero cfs.
Discharge pumping (DMC water moving into O'Neill Forebay) ranged between 2,868 cfs and 3,201 cfs over the time period. The 1/17 average was 2,988 cfs.

Dos Amigos Pumping Plant ... ranged between 1,543 cfs and 2,378 cfs over the time period. The 1/17 average was 2,312 cfs.

South Bay Pumping Plant ... ranged between 85 cfs and 135 cfs over the time period. The 1/17 average was 90 cfs.

Barker Slough Pumping Plant ... ranged between 27 cfs and 33 cfs over the time period. The 1/17 average was 29 cfs.

Status of the Temporary Barriers as of 1/18/2025

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.