Hydrohistorian
Little Thompson River at Canyon Mouth near Berthoud
River gage · LTCANYCO · Division 1 · Water District 4 · Boulder County
The record
Period of record
1961-09-30 → 2026-08-15
Daily values
12,155
Latest cached reading
0.6 cfs (2026-08-15)
Trend
no trend, -0.02 cfs/decade (-0.4% of median)
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 (5.0).
Provenance
DWR station abbreviation LTCANYCO; recorded station name “LITTLE THOMPSON RIVER AT CANYON MOUTH NEAR BERTHOUD”; operated by DWR. 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.