Click the link to go to the Aspen Journalism Data Dashboard (Laurine Lassalle):
The USGS gauge on the Roaring Fork River near Aspen at Stillwater, located upstream of town, measured streamflow at 247 cfs on May 15, which is 148.8% of average. That’s up from last week, when the riveu,r was flowing at 144 cfs. On May 15, 2021, the river ran at 92 cfs.
The ACES gauge, located near the Mill Street Bridge in central Aspen, measured the Roaring Fork River flowing at 223.66 on May 15. That’s lower than the Stillwater reading because the Wheeler and Salvation diversion ditches are again operating for the season. It’s also up from 128.6 cfs last week.
The Crystal River above Avalanche Creek, near Redstone, flowed at 1,340 cfs, or about 195.9% of average, on May 15. The warmer temperatures of the past week increased the streamflow of the river as the Crystal jumped from 1,060 cfs on May 13. The Crystal River at the CPW Fish Hatchery bridge ran at 1,650 cfs on May 15, up from 1,300 cfs on May 8.
Snowpack in the Roaring Fork Basin was at 48% of average, according to NOAA on May 15. It’s been below average since April 20, reaching that designation for the first time this season, the Roaring Fork Conservancy wrote on April 21.