SLCESPCO National Weather Service Colorado Basin River Forecast Center Salt Lake City, Utah October 1, 2019 San Juan Basin Special Forecast Group October Forecasts Monthly forecasts for 2019 Forecast volumes in thousands of acre-feet (KAF) Exceedance probabilities in percent. Animas - Durango FORECAST 90% 50% 10% Oct 18.0 19.0 25.0 Nov 17.0 19.0 23.0 Dec 15.0 16.0 19.0