← Basin trends

Roaring Fork River Ab Difficult Creek near Aspen

River gage · ROADIFCO · USGS 09073300 · Division 5 · Water District 38 · Pitkin County

Live gage at DWR ↗ · USGS monitoring location ↗ · Download daily record (CSV)

The record

Period of record
1979-10-01 → 2026-07-06
Daily values
17,080
Latest cached reading
23.4 cfs (2026-07-06)
Trend
decreasing, -18.01 cfs/decade
Pettitt changepoint
~2000

Readings come from the weekly-refreshed cache, never fetched live — the date beside the value says exactly how fresh it is. The live gage is one click up.

Annual flow & trend

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Where it sits

Location as DWR records it (5.0).

Provenance

DWR station abbreviation ROADIFCO; recorded station name “ROARING FORK RIVER AB DIFFICULT C NR ASPEN, CO.”; operated by USGS. Daily flows from the DWR HydroBase snapshot plus CDSS REST updates, refreshed on the weekly cycle. Trend statistics are Mann-Kendall (Hamed-Rao corrected) with Sen's slope in native cfs, the same numbers as the basin Trends tab.