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USGS 12452890
Streamflow trends over the past year at Mad River At Ardenvoir in an interactive calendar format. View seasonal patterns on the river and see how an evolving climate has affecting streamflow levels over the past year. Click on any day to see what the streamflow was for that day, or sign up for a free account to view data for the past 97,933 days. The streamflow average over the past 10 days was 31.12 cfs, with a day to day variation of about 3.3cfs.
Key Ratios & Stats
| Last Updated | 2026-07-14 |
| Gauge Height | 2.27 ft |
| Observed Discharge | 27cfs |
| Since Yesterday | -4% |
| 24hr Forecast | 88 cfs |
| Percent of Normal | 51% |
| Seasonal Volatility | 116% |
| Peak Discharge | 821 cfs |
| Average Discharge | 53 cfs |
| Minimum Discharge | 12 cfs |
Featured Rivers
Area Hydrology
This tributary falls within the Upper Columbia-Entiat watershed, a child of the greater Pacific Northwest region.


