• The Fork ran at 297 cfs on Nov. 12 at Emma, down from 316 cfs last week.
• Lake Powell’s elevation reached 3,572.3 feet on Nov. 12, which is the same as on Nov. 5.
• High air temperatures increased from 30°F on Oct. 29 to 63°F on Nov. 6 before dropping o 41°F on Nov. 9.
Author Archives: Laurine Lassalle
Laurine Lassalle is Aspen Journalism’s data desk editor, where she works to catalog and analyze local public data. She has a master’s degree in data and investigative journalism from UC Berkeley with an emphasis on environmental reporting.
Data dashboard: ASE records below-freezing temperatures
• The Fork ran at 128 cfs below Maroon Creek on Nov. 5, down from 135 cfs last week.
• Lake Powell was 37.29% full on Nov. 5, down from 37.44% on Oct. 29.
• High air temperatures at ASE went from 59°F on Oct. 26 to 30°F on Oct. 29 or about 20 degrees below average. Minimum temperatures dropped as low as 2°F on Oct. 30.
Data dashboard: Air temperatures are dropping
• The Fork ran at 353 cfs on Oct. 29 at Emma, up from 336 cfs last week.
• Lake Powell was 37.44% full on Oct. 29, down from 37.49% on Oct. 22.
• High air temperatures at ASE dropped from 71°F on Oct. 21 to 59°F on Oct. 26.
Data dashboard: Above-average air temperatures recorded at ASE
• The Fork ran at Emma ran at 336 cfs or 96.8% of average on Oct. 22. That’s down from 383 cfs or 100.5% of average on Oct. 15.
• Lake Powell was 37.49% full on Oct. 22, down from 37.52% last week.
• High air temperatures at the Aspen airport went from 38°F on Oct. 12 to 70°F on Oct. 16, which is about 14 degrees above average.
Data dashboard: High air temperatures dropped close to freezing point in Aspen
• The Fork ran at 23 cfs at Stillwater and 138 cfs below Maroon Creek on Oct. 15, down from last week’s 33.6 cfs and 166 cfs, respectively.
• Lake Powell’s elevation has lost 3.6 inches since last week.
• High air temperatures at ASE went down as low as 38°F on Oct. 12, or 20 degrees below normal.
With 99% of cases finalized, Pitkin County property values increase 72% with reappraisal
Pitkin County commissioners, sitting as the Board of Equalization on Wednesday, approved the updated property valuations after more than 4,700 protests were filed in the spring. The cumulative value of all Pitkin County properties reached $74 billion before the hearing process was conducted throughout the summer. This was up from $42 billion in 2022. After the hearings, the cumulative value is down to $72.4 billion (an average of $4 million per property).
Data dashboard: Roaring Fork River is running faster than last week
• The Fork at Stillwater ran at 166 cfs on Oct. 9, up from 118 cfs on Oct. 1.
• Lake Powell was 37.61% full on Oct. 9, down from 37.7% last week.
• Minimum air temperatures at ASE reached 45°F on Oct. 1, or about 13 degrees above normal.
Data dashboard: High air temperatures on the rise
• High air temperatures at ASE went from 67°F on Sept. 23 to 77°F on Sept. 28, which is about 13 degrees above average.
• On Oct. 1, Lake Powell’s elevation reached 3,573.6 feet, or 126.5 feet from full pool, which is the same as Sept. 24 and Sept. 17.
• The Fork ran at 118 cfs on Oct. 1, or 98.3% of average, down from 127 cfs and 106.7% of average, on Sept. 24.
Data dashboard: Air temperatures get cooler as fall begins
• The Fork ran at 362 cfs at Emma, or 81.7% of average, on Sept. 24. That’s down from 383 cfs on Sept. 17 and from 84% of average.
• Minimum air temperatures at ASE dropped from 40°F on Sept. 14 to 34°F on Sept. 20.
• The air quality in Aspen was “good” — except on Sept. 22 when the AQI index for ozone was “moderate,” reaching 58.
Data dashboard: Summer occupancy on the downward trend since 2021
• August occupancy reached 55.9% for the Aspen and Snowmass combined this year, down from 59.8% last year.
• The Fork ran at 63.1% of average at Stillwater on Sept. 17, up from 54.3% of average last week.
• High air temperatures at ASE dropped from 80°F on Sept. 9 to 61°F on Sept. 14, or about eight degrees below average.

