Dashboard of Key Indicators

Water Supply Reliability

Availability

Local Rainfall

Lindbergh Field Station as of June 30, 2018
Date Rainfall (in) Water Year to Date (in) Percent of Average*
October 0.00 0.00 0%
November 0.02 0.02 1%
December 0.07 0.09 3%
January 1.78 1.87 37%
February 0.36 2.23 30%
March 0.95 3.18 35%
April 0.02 3.20 32%
May 0.02 3.22 30%
June 0.00 3.22 30%

Colorado River

Hydrologic Conditions as of July 9, 2018
Hydrologic IndicatorPercent of Average*
Upper Basin Precipitation69.0%
Forecasted Unregulated Inflow to Lake Powell47.0%
Reservoir Storage Levels as of July 9, 2018
ReservoirStorage in MAFPercent of Capacity
Lake Mead9.7337%
Lake Powell12.5752%
Combined22.344%
MAF = million acre-feet

State Water Project (SWP)

For Calendar Year 2018 as of April 24, 2018
SWP ContractorRequest (AF)Approved Allocation (AF)Percent
Metropolitan Water District 1,911,500 573,450 30%
Hydrologic Conditions as of July 4, 2018
Hydrologic IndicatorPercent of Average*
Northern Sierra 8-Station Precipitation Index81.0%
Northern Sierra Snowpack50.0%
Reservoir Storage Levels as of July 9, 2018
ReservoirStorage in MAFPercent of Capacity
San Luis1.1054%
Oroville2.1862%
Combined3.2859%

*Percent average is for the water year to date