SLCESPCO National Weather Service Colorado Basin River Forecast Center Salt Lake City, Utah May 05, 2021 San Juan Basin Special Forecast Group May Final Forecasts Seasonal and Monthly forecasts Forecast volumes in thousands of acre-feet (KAF) Rio Blanco FORECAST OBSERVED 90% 50% 10% Apr Apr-Jul 29.0 34.0 43.0 7.7 Navajo-Chromo FORECAST OBSERVED 90% 50% 10% Apr Apr-Jul 34.0 39.0 49.0 8.4 Little Navajo-Chromo FORECAST OBSERVED 90% 50% 10% Apr Apr-Jul 3.1 3.9 5.1 1.1 May 1.6 2.1 2.8 Jun 0.3 0.5 0.9 Jul 0.1 0.2 0.3 Vallecito Reservoir FORECAST OBSERVED 90% 50% 10% Apr Apr-Jul 71.0 92.0 119.0 13.6 May 26.0 31.0 36.0 Jun 23.0 35.0 46.0 Jul 8.4 12.4 23.0 Navajo Reservoir FORECAST OBSERVED 90% 50% 10% Apr Apr-Jul 265.0 325.0 410.0 81.0 May 105.0 145.0 155.0 Jun 57.0 75.0 130.0 Jul 22.0 24.0 44.0 Animas-Durango FORECAST OBSERVED 90% 50% 10% Apr Apr-Jul 118.0 164.0 250.0 17.9 May 45.0 60.0 67.0 Jun 40.0 63.0 105.0 Jul 15.1 23.0 60.0 Lemon Reservoir FORECAST OBSERVED 90% 50% 10% Apr Apr-Jul 14.5 19.5 28.0 2.5 May 6.0 8.5 9.0 Jun 4.3 6.5 11.5 Jul 1.7 2.0 5.0