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The Colorado Basin River Forecast Center (CBRFC) geographic forecast area includes the Upper Colorado River Basin, Lower Colorado River Basin, and Eastern Great Basin.
Water Supply Forecast Summary
Early February water supply volume forecasts are below to much below average throughout the Colorado River Basin and Great Basin. Upper Colorado River Basin water supply forecasts generally range between 35-80% of the 1981-2010 historical April-July average. Great Basin water supply forecasts are 10-80% of average. Lower Colorado River Basin January-May water supply runoff volumes are 20-65% of the historical median. Water supply forecast ranges (percent of normal) by basin: