Title
Receive Report on Salinas Valley Water Conditions for the Fourth Quarter of Water Year 2015-2016
Report
RECOMMENDATION:
It is recommended that the Monterey County Water Resources Agency Board of Directors:
Receive report on Salinas Valley water conditions for the fourth quarter of Water Year 2015-2016.
SUMMARY/DISCUSSION:
This report covers the fourth quarter of Water Year 2015-2016 (WY16), July through September, 2016. It provides a brief overview of water conditions in the Salinas Valley with discussion of precipitation, reservoir storage, and ground water level trends. Data for each of these components are included as graphs and tables in Attachments B through J.
Precipitation - Normally a time of minimal precipitation, the fourth quarter of WY16 brought lower than normal rainfall to Salinas and King City. Cumulative totals for the quarter were 0.00 inches (0% of normal rainfall of 0.20 inches for the quarter) at the Salinas Airport, and 0.00 inches (0% of normal rainfall of 0.17 inches for the quarter) in King City.
Attachment B contains graphs for both stations showing monthly and cumulative precipitation data for the current and a normal water year. Attachment B also includes tables showing values for precipitation totals as well as percent of normal precipitation.
Rainfall data for Salinas and King City should be considered preliminary until verified by National Weather Service data at a later date.
Reservoirs - The following table compares fourth quarter storage at Nacimiento and San Antonio reservoirs for the past two years. Storage in Nacimiento Reservoir is 20,930 acre-feet higher than in September 2015, and storage in San Antonio Reservoir is 11,334 acre-feet higher.
Reservoir
September 30, 2016
(WY16) Storage
in acre-feet
September 30, 2015
(WY15) Storage
in acre-feet
Difference
in acre-feet
Nacimiento
97,780
76,850
20,930
San Antonio
21,863
10,529
11,334
Graphs for both reservoirs showing daily storage for the last ...
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