Colorado peak at 1000% of snowpack norm, two regions at less than half of what's typical

As of May 20, the statewide snowpack level in Colorado is at 107 of the norm for the date, but how much snowpack there is varies greatly by region.

Leading the charge in terms of snowpack is the Arkansas River Basin of central and southern Colorado. Snowpack here is currently at 136 percent of the norm – roughly 46 percent of the typical peak for the area, which tends to be hit around April 3.

Meanwhile, the adjacent Upper Rio Grande River Basin in southern and southwest Colorado sits at just 41 percent of what's expected for this point in the year, at just 11 percent of what's typical during a normal April 2 snowpack peak. This area seems to be where the most rapid snowmelt is taking place.

Next to that dwindling river basin is the San Miguel-Dolores-Animas-San Juan River Basin, which stretches to the southwest corner of the state. Snowpack in this part of the state is at 47 percent of the norm for May 20 and 14 percent of the norm during a typical April 1 peak. Rapid snowmelt is also taking place in this region.

Elsewhere, snowpack is roughly at or slightly above the norm for the date. One more-specific spot that stands out is the Glen Cove snow water equivalent station on Pikes Peak , with snowpack currently at 1000 percent of the norm for the date, as of May 20.

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