Hydrohistorian
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Rio Grande at Wason, below Creede
River gage · RIOWASCO · USGS 08217000 · Division 3 · Water District 20 · Mineral County
Live gage at DWR ↗ · USGS monitoring location ↗ · Download daily record (CSV)
Source DWR administrative record · verify at DWR station ↗ Source Independent agency measurement · verify at USGS ↗ Source Our computation, no independent reference · computed here from the screened record
The record
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
Chart: annual mean flow at Rio Grande at Wason, below Creede, water years 1907 to 1954. The measured record is decreasing at -58.17 cubic feet per second per decade. A Pettitt changepoint is detected around 1929. The underlying yearly values are available as a CSV download linked at the top of this page.
Where it sits
Location as DWR records it (5.0).
Provenance
DWR station abbreviation RIOWASCO; recorded station name “RIO GRANDE AT WASON, BELOW CREEDE, 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.