SLCESPCO National Weather Service Colorado Basin River Forecast Center Salt Lake City, Utah July 16, 2015 San Juan Basin Special Forecast Group July mid-month Forecasts Seasonal and Monthly forecasts Forecast volumes in thousands of acre-feet (KAF) Exceedance probabilities in percent Rio Blanco FORECAST OBSERVED 90% 50% 10% Apr May Jun Apr-Jul 46.0 47.0 49.0 5.2 16.4 20.0 Navajo-Chromo FORECAST OBSERVED 90% 50% 10% Apr May Jun Apr-Jul 53.0 54.0 57.0 5.6 14.3 26.0 Little Navajo-Chromo FORECAST OBSERVED 90% 50% 10% Apr May Jun Apr-Jul 4.4 4.6 4.9 0.7 2.1 1.4 Jul 0.2 0.4 0.7 Aug 0.1 0.2 0.4 Sep 0.1 0.2 0.4 Vallecito Reservoir FORECAST OBSERVED 90% 50% 10% Apr May Jun Apr-Jul 188.0 194.0 200.0 18.5 43.0 106.0 Jul 30.0 36.0 42.0 Aug 14.0 20.0 37.0 Sep 10.0 15.0 31.0 Navajo Reservoir FORECAST OBSERVED 90% 50% 10% Apr May Jun Apr-Jul 610.0 620.0 645.0 80.0 178.0 285.0 Jul 65.0 75.0 100.0 Aug 12.0 34.0 64.0 Sep 10.0 35.0 75.0 Animas-Durango FORECAST OBSERVED 90% 50% 10% Apr May Jun Apr-Jul 435.0 445.0 460.0 34.0 91.0 237.0 Jul 73.0 83.0 98.0 Aug 25.0 36.0 62.0 Sep 18.0 29.0 52.0 Lemon Reservoir FORECAST OBSERVED 90% 50% 10% Apr May Jun Apr-Jul 52.0 53.0 55.0 4.8 10.0 31.0 Jul 6.2 7.2 9.2 Aug 2.0 3.8 8.0 Sep 1.5 3.0 7.0