About this river
Connecticut River is a 4.1 mile river near Billy Goat Boats in Massachusetts. Streamflow is measured at the USGS gauge Connecticut River near Northfield, MA (site 01161280). The National Hydrography Dataset places it at stream order 8. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
2018 to 2024
Connecticut River typically runs highest in April, at a median 24,100 cfs, and lowest in September, at 4,025 cfs. The highest flow on record for any single day is 95,500 cfs, in 2023.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 11,700 | 7,550 to 17,500 | |
| February | 9,450 | 6,345 to 14,200 | |
| March | 15,300 | 9,470 to 27,400 | |
| April | 24,100 | 18,050 to 35,300 | |
| May | 13,100 | 8,790 to 19,300 | |
| June | 4,375 | 3,005 to 9,370 | |
| July | 5,600 | 3,330 to 19,300 | |
| August | 4,470 | 2,470 to 9,510 | |
| September | 4,025 | 2,370 to 7,535 | |
| October | 6,270 | 4,620 to 10,100 | |
| November | 9,410 | 6,510 to 14,700 | |
| December | 14,000 | 9,450 to 24,200 |
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 6 years of record. Statistics published by the US Geological Survey for Connecticut River near Northfield, MA (site 01161280). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Embed this gauge on your site
Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Connecticut River's live streamflow, water level and 7-day trend. It reads the USGS gauge directly, updates itself, and links back here.
See every free widget you can put on your site, including live conditions and a 7 day forecast.
