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Blue River at Dillon

River gage · BLUADICO · USGS 09047000 · Division 5 · Water District 36 · Summit County

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

The record

Period of record
1910-10-01 → 1961-04-30
Daily values
18,475
Latest cached reading
37.0 cfs (1961-04-30)
Trend
decreasing, -7.56 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 BLUADICO; recorded station name “BLUE RIVER AT DILLON, 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.