SLCESPCO National Weather Service Colorado Basin River Forecast Center Salt Lake City, Utah May 3, 2019 Dolores-McPhee May 1st Forecasts Seasonal and Monthly forecasts Forecast volumes in thousands of acre-feet (KAF) Exceedance probabilities in percent McPhee Reservoir Inflow FORECAST 90% 70% 50% 30% 10% Apr-Jul 380 405 420 450 475 May 171 180 192 197 215 Jun 76 87 100 116 125 Jul 13 18 23 27 40 Aug 7 9 12 17 25 Sep 5 9 11 15 20 April observed 105 KAF