SLCESPCO National Weather Service Colorado Basin River Forecast Center Salt Lake City, Utah October 1, 2018 San Juan Basin Special Forecast Group September Final Forecasts Seasonal and Monthly forecasts for 2018 Forecast volumes in thousands of acre-feet (KAF) Exceedance probabilities in percent. Animas - Durango FORECAST 90% 50% 10% Oct 7.0 12.0 19.0 Nov 6.0 8.0 12.0 Dec 5.0 7.0 10.0