• The Roaring Fork River at Stillwater ran at 29.9 cfs on Sept. 1, down from 41.4 cfs last week.
• July average daily traffic counts in Aspen reached 25,844, up 8.7% from July 2020 but down 0.9% from July 2019.
• The Colorado River near the Utah state line ran at 3,040 cfs on Aug. 25, up from 2,330 cfs last week.
• Air temperature was lower than normal.
• The Roaring Fork through central Aspen ran at 32.76 cfs on Aug. 18, up from 8.8 last week.
• 2021 July occupancy rate hits record high in Aspen and Snowmass
Tracking “breakthrough” and nonresident COVID-19 cases in Pitkin County; low water levels at Ruedi Reservoir threatening hydropower production, and single-digit Roaring Fork streamflows.
• The Roaring Fork through Aspen ran at 8.8 cfs on Aug. 11.
• Tri-county region saw 7.25% population growth since 2010.
• Out-of-state smoke worsens air quality.
• Aug. 1 saw the most precipitation in Aspen of any day since 2018.
• Lake Powell storage falls to a record low of 32.18% of capacity.
• Out-of-state smoke worsens air quality.
• Lake Powell storage falls to a record low of 32.45% of capacity.
• Lake Powell’s surface elevation drops to 3,554.24 feet, also a record low.
• Roaring Fork River flowing at 32.4 cfs at Aspen, or 32.7% of average.
• July occupancy of 77% is up 12 points on 2019.
• Roaring Fork flows of 46 cfs at Aspen are 33.1% of average.
• Lake Powell storage falls to 32.8%
When the ski lifts shut down in mid-March 2020, the city of Aspen recorded a significant drop in traffic at the entrance to Aspen. But this year, the daily average for the months of March through June is getting back to 2019 levels, up to 23,510 cars per day on average for June 2021.
The Colorado River below Glenwood Springs ran at 2,270 cfs on July 7, which is 34.76% of average for the day. On the same day, the Roaring Fork just upstream of Aspen was flowing at 89.7 cfs, which is 38.7% of average.
