Official Water Supply Forecasts (January - July)
2019 Water Year

[Previous Water Years]

Monthly WSF Date Posted (by 17:00)
January Friday, Jan 4, 2019
February Tuesday, Feb 5, 2019
March Tuesday, Mar 5, 2019
April Wednesday, Apr 3, 2019
May Friday, May 3, 2019
June Wednesday, Jun 5, 2019
July Wednesday, Jul 3, 2019
Water Year ESP Plot (NWRFC)  
Grand Coulee Dam (APR-AUG)
The Dalles Dam (APR-AUG)
Lower Granite Dam (APR-JUL)