SLCESPCO National Weather Service Colorado Basin River Forecast Center Salt Lake City, Utah October 2, 2017 San Juan Basin Special Forecast Group October Final Forecasts Seasonal and Monthly forecasts for 2017 Forecast volumes in thousands of acre-feet (KAF) Exceedance probabilities in percent. Animas - Durango FORECAST 90% 50% 10% Oct 16.0 21.0 31.0 Nov 13.0 16.0 20.0 Dec 11.0 14.0 17.0