Storms dumped more than 18 inches of snow in the foothills of the Front Range.
The statewide snowpack has increased to 76 percent of average from the 65 percent measured April first.
The recent snowstorms could boost runoff by five percent to ten percent. But Colorado needs a lot more moisture to refill reservoirs.
Melting snow running into reservoirs, streams and rivers makes up about 80 percent of the state's water supply. Members of a state drought task force say Colorado has a long way to go before the drought recedes.