6/3/2024

10-Day General Northern California Precipitation Forecast:

The weather forecast for the next ten days is mostly sunny with temperatures ranging from 90�s to 100�s.

From CDEC: Precipitation to date for water year 2023-2024 - As of 6/3/2024:

Northern Sierra Precipitation: 8-Station Index: 47.2" = 92% of average for this date

 

San Joaquin Precipitation: 5-Station Index: 32.7" = 84% of average for this date

 

Tulare Basin Precipitation: 6-Station Index: 22.4" = 82% of average for this date

From CDEC: Average Statewide Snow Water Content Equivalents as of 6/3/2024:

North: 5.5" = 77% of normal for this date

 

Central: 3.1" = 35% of normal for this date

 

South: 1.5" = 26% of normal for this date

 

Statewide: 3.3" =44% 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 6/3/2024 daily average flow was 16,540 cfs and the average flow is expected to decreasethrough 6/8/2024.

Feather River (at Boyd's Landing)

As of 6/3/2024, the Feather River flow is 7,160 cfs and is expected to decrease slightly to 6,504 cfs by 6/8/2024.

San Joaquin River (near Vernalis)

As of 6/3/2024, the San Joaquin River flow is 4,311 cfs and is expected to increase to 3,646 cfs by 6/8/2024.

 

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

Posted: 05/28/2024

Gates will open Friday, May 31 at approx. 10am. Gates will close Monday, June 3 at approx. 10am.

Comment: Weekend recreation and Delta salinity.

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: Current Data Unavailable. Cybersecurity issue (modems removed from stations).

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

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

Clifton Court Forebay Daily Average: EC = N/A uS/cm. 10 days ago: EC = N/A uS/cm

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

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

Organic Carbon, TOC and DOC:

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

Jones (average): TOC = N/A mg/L, DOC = N/A mg/L. 10 days ago: N/A mg/L, N/A mg/L

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

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

 

Daily Average Pumping: 6/7 through 6/16

Banks Pumping Plant ... ranged between 1,198 cfs and 2,505 cfs over the time period. The 6/16 average was 1,198 cfs.

Jones Pumping Plant ... ranged between 3,511 cfs and 4,208 cfs over the time period. The 6/16 average was 4,200 cfs.

Gianelli Pumping Plant ... discharge generation (San Luis Reservoir water moving out of the reservoir into O'Neill Forebay) ranged between 1,741 cfs and 5,568 cfs over the time period. The 6/16 average was 1,741 cfs. Discharge pumping (O'Neill Forebay water moving into San Luis Reservoir) ranged between zero cfs and 1,472 cfs over the time period. The 6/16 average was 642 cfs.

O'Neill Pumping Plant (Federal CVP) ... discharge generation (O'Neill Forebay water moving into the DMC) varied between zero cfs and 224 cfs over the time period. The 6/16 average was zero cfs. Discharge pumping (DMC water moving into O'Neill Forebay) ranged between 618 cfs and 1,396 cfs over the time period. The 6/16 average was 1,396 cfs.

Dos Amigos Pumping Plant ... ranged between 3,299 cfs and 6,710 cfs over the time period. The 6/16 average was 3,299 cfs.

South Bay Pumping Plant ... ranged between 257 cfs and 300 cfs over the time period. The 6/16 average was 270 cfs.

Barker Slough Pumping Plant ... ranged between 55 cfs and 67 cfs over the time period. The 6/16 average was 56 cfs.

Status of the Temporary Barriers as of 20240502

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. Construction is scheduled to be completed on May 7.

Old River near Tracy Barrier

Mobilization started on May 1. In-water work for the Old River near Tracy Barrier is scheduled to begin on May 3 and be completed by May 27.