Hydrohistorian

← Basin trends

Colorado River at Glenwood Springs

River gage · COLAGSCO · USGS 09072500 · Division 5 · Water District 53 · Garfield County

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

The record

Period of record
1899-10-01 → 1966-09-30
Daily values
24,471
Latest cached reading
1120.0 cfs (1966-09-30)
Trend
no trend, -2.39 cfs/decade
Pettitt changepoint
~1930

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

Loading chart…

Where it sits

Location as DWR records it (5).

Provenance

DWR station abbreviation COLAGSCO; recorded station name “COLORADO RIVER AT GLENWOOD SPRINGS, 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.