San Juan River Outlook

Spring runoff volumes forecast for the San Juan River Basin are slightly above average. The April 1 snowpack is 93% of average. Forecasted April through July streamflow volumes range from 66% to 115% of average. Monthly streamflow increased from the 78% of average in February to 99% of the 1961-90 average in March.

April-July streamflow forecasts for the San Juan Basin are as follows:

San Juan River:
Near Average

Water Supply Outlook for the Upper Colorado - April, 2001
Colorado Basin River Forecast Center (
Last Modified: Wednesday, 20-Mar-2024 17:11:07 UTC