Water Supply Outlook for the Western United States
Published jointly by the NOAA/NWS Colorado Basin River Forecast Center and the US Department of Agriculture, NRCS (WCC).
Read the Foreword for more information.

Choose Water Year: all | 2012 | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | 2005 | 2004 | 2003 | 2002 | 2001 | 2000 | 1999 | 1998 | 1997 | 1996 | 1995

Monthly Precipitation
2021: Dec | Jan | Feb | Mar | Apr | May | Jun

Seasonal Precipitation
2021: Dec | Jan | Feb | Mar | Apr | May | Jun

Satellite Areal Extent of Snow Cover
2021: Jan | Feb | Mar | Apr | May

Streamflow Forecasts (tabular)
2021: Jan | Feb | Mar | Apr | May | Jun

Spring and Summer Streamflow Forecasts
2021: Jan | Feb | Mar | Apr | May

Mountain Snowpack
2021: Jan | Feb | Mar | Apr | May

Reservoir Storage
2021: Jan | Feb | Mar | Apr | May