All February 1 forecasts for the April-July runoff within the entire Upper Colorado are below 100% of average. Forecasts range from approximately 20% to 95% of average volume runoff. Wettest areas include the Upper Green and the Colorado headwaters. Driest areas include parts of eastern Utah and the Four Corners region. Forecasts for rivers in the San Juan basin call for 20% to 45% of average.
