CIMIS REPORT | www.cimis.water.ca.gov
CALIFORNIA IRRIGATION MANAGEMENT INFORMATION SYSTEM
For the week of May 4 - May 10, 2023 ETO (INCHES/WEEK)
YEAR
3.0
THIS YEAR
2.5
LAST YEAR AVERAGE YEAR
2.0
1.5
1.0
0.5
0.0
MACDOEL II (236)
BIGGS (244)
DAVIS (06)
MANTECA (70)
FRESNO (80)
SALINAS-SOUTH (214)
FIVE POINTS (2)
SHAFTER (5)
IMPERIAL (87)
THIS YEAR LAST YEAR AVG. YEAR % FROM AVG.
.77 .86 1.29 -40
1.05 1.23 1.55 -33
1.09 1.36 1.61 -31
1.00 1.47 1.47 -33
1.37 1.80 1.60 -14
1.16 1.52 1.28 -9
.65 1.80 1.76 -63
1.44 1.69 1.61 -11
2.18 2.34 1.98 10
W eekly reference evapotranspiration (ETo) is the rate of water use (evapotranspiration—the sum of soil evaporation and crop transpiration) for healthy pasture grass. Multiplying ETo by the appropriate “crop coefficient” gives estimates of the ET for other crops. For example, assume ETo on June 15 is 0.267 inches and the crop coefficient for corn on that day is 1.1. Multiplying ETo by the coefficient (0.26 inches x 1.1) results in a corn ET of 0.29 inches. This
information is useful in determining the amount and timing of irriga- tion water. Contact Richard Snyder, UC Davis, for information on coefficients, 530-752-4628. The 10 graphs provide weekly ETo rates for selected areas for average year, last year and this year. The ETo information is provided by the California Irrigation Management Information System (CIMIS) of the California Department of Water Resources.
For information contact the DWR district office or DWR state headquarters:
SACRAMENTO HEADQUARTERS: 916-651-9679 • 916-651-7218
NORTHERN REGION: Red Bluff 530-529-7301
NORTH CENTRAL REGION: West Sacramento 916-376-9630
SOUTH CENTRAL REGION:
SOUTHERN REGION:
Fresno 559-230-3334
Glendale 818-500-1645 x247 or x243
2023 Retirement Plan
California’s state retirement plan mandate expanded on January 1 to include those employers with one or more employees. Ensure you are prepared to comply with the new California retirement plan mandate. Join us at one of our webinars presented by Nationwide. For a list of class dates and to register, visit cfbf.com/FBE or call (800) 698-FARM for assistance. You will receive a Zoom link and details two days prior to your selected webinar date. Members, enjoy access to free classes! Register for the upcoming webinars.
14 Ag Alert May 17, 2023
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