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An expert says it may be getting too late in the winter season to make up for below-average snowpack.

About 55 percent of the snowpack has usually accumulated by this time of year.

Snow survey supervisor Mike Gillespie says it would take heavy snowfall the rest of the winter to get up to average.

Gillespie is with the U.S. Natural Resources Conservation Service.

Snowpack was at 85 percent of average in the Roaring Fork River basin. However, the snowpack is as low as 65 percent in the San Juan River basin in southwest Colorado.

The Upper Colorado River basin is 83 percent of average.

Below-average snowpack last winter worsened the statewide drought. Melting snow contributes about 80 percent of the water in rivers, streams, lakes and reservoirs.

Eight major Colorado river systems also provide water to ten western states.