Hydrohistorian
North Fork South Platte River at Grant
River gage · PLAGRACO · Division 1 · Water District 80 · Park County
The record
Period of record
1985-04-29 → 2026-08-12
Daily values
14,820
Latest cached reading
238.0 cfs (2026-08-12)
Trend
no trend, 0.2 cfs/decade (0.1% 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 (user supplied).
Provenance
DWR station abbreviation PLAGRACO; recorded station name “NORTH FORK SOUTH PLATTE RIVER AT GRANT”; 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.