About this river
Still River is a 2.4 mile river near Main Stream Canoes & Kayaks/SUP in Connecticut. Streamflow is measured at the USGS gauge Still River at Robertsville, CT (site 01186500). The National Hydrography Dataset places it at stream order 5. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1949 to 2026
Still River typically runs highest in April, at a median 244 cfs, and lowest in August, at 30 cfs. The highest flow on record for any single day is 24,800 cfs, in 1955.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 132 | 84 to 212 | |
| February | 136 | 90 to 215 | |
| March | 208 | 135 to 318 | |
| April | 244 | 152 to 415 | |
| May | 143 | 91 to 240 | |
| June | 70 | 44 to 138 | |
| July | 37 | 20 to 70 | |
| August | 30 | 15 to 64 | |
| September | 34 | 17 to 65 | |
| October | 72 | 38 to 133 | |
| November | 115 | 65 to 196 | |
| December | 144 | 82 to 230 |
Typical is the median of each month’s daily median values, and the usual range runs from the median 25th to the median 75th percentile, across about 74 years of record. Statistics published by the US Geological Survey for Still River at Robertsville, CT (site 01186500). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
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Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Still River's live streamflow, water level and 7-day trend. It reads the USGS gauge directly, updates itself, and links back here.
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