Official Water Supply Forecasts (January - July)
2020 Water Year

[Previous Water Years]

Monthly WSF Date Posted (by 17:00)
January Monday, 6 Jan 2020
February Wednesday, 5 Feb 2020
March Wednesday, 4 Mar 2020
April Friday, 3 Apr 2020
May Tuesday, 5 May 2020
June Wednesday, 3 Jun 2020
July Wednesday, 8 Jul 2020
Water Year ESP Plot (NWRFC)  
Grand Coulee Dam (APR-AUG)
The Dalles Dam (APR-AUG)
Lower Granite Dam (APR-JUL)