Hydrohistorian
Rosenbrock Augmentation Return
River gage · ROSRTNCO · Division 1 · Water District 2
The record
Period of record
2019-05-28 → 2026-05-19
Daily values
2,539
Latest cached reading
3.2 cfs (2026-05-19)
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 (digitized off map).
Provenance
DWR station abbreviation ROSRTNCO; recorded station name “ROSENBROCK AUGMENTATION RETURN”; operated by AURO. 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.