Hydrohistorian
Ralston Creek above Clear Creek Confluence
River gage · RALCCKCO · Division 1 · Water District 7 · Jefferson County
The record
Period of record
2021-12-15 → 2026-08-09
Daily values
1,646
Latest cached reading
4.7 cfs (2026-08-09)
Trend
insufficient data
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 (gps).
Provenance
DWR station abbreviation RALCCKCO; recorded station name “RALSTON CREEK ABOVE CLEAR CREEK CONFLUENCE”; 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.