Hydrohistorian
Horsefly Creek near Sams
River gage · HORSAMCO · USGS 09173500 · Division 4 · Water District 60 · Montrose County
Live gage at DWR ↗ · USGS monitoring location ↗ · Download daily record (CSV)
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
Where it sits
Location as DWR records it (5).
Provenance
DWR station abbreviation HORSAMCO; recorded station name “HORSEFLY CREEK NEAR SAMS, 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.