Connecticut River
River in Massachusetts, read from 3 USGS gauges, draining about 8,332 square miles. Figures refresh every fifteen minutes.
Discharge
2,200
cfs · 25 min ago
Normal for today
6,280
cfs median, 24 yrs
Water temp
60
°F · 1h ago
Gage height
4.07
ft
Gauges on this water
Reading by reach
Reading the number
On this date the gauge has averaged 6,280 cfs over 24 years of record, with the middle half of years falling between 4,540 and 9,390 cfs. Today is below that band: lower, clearer and, in summer, warmer water than a typical October day here.
Regional hatch calendar
What is likely hatching near Connecticut River
Connecticut River does not have its own verified chart yet. This calendar is combined from the verified charts on Millers River (6 mi), West Branch Farmington River (57 mi), Housatonic River (68 mi). Treat it as regional timing, and file a report if you see something different here.
| Insect | J | F | M | A | M | J | J | A | S | O | N | D |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Blue-Winged Olive | January: absent | February: absent | March: active | April: peak | May: active | June: active | July: active | August: active | September: peak | October: peak | November: active | December: absent |
| Caddis | January: absent | February: absent | March: absent | April: active | May: peak | June: peak | July: active | August: active | September: active | October: peak | November: absent | December: absent |
| Hendrickson | January: absent | February: absent | March: active | April: peak | May: peak | June: absent | July: absent | August: absent | September: absent | October: absent | November: absent | December: absent |
| Light Cahill | January: absent | February: absent | March: absent | April: absent | May: absent | June: peak | July: active | August: active | September: active | October: absent | November: absent | December: absent |
| Sulphur | January: absent | February: absent | March: absent | April: absent | May: peak | June: peak | July: active | August: absent | September: absent | October: absent | November: absent | December: absent |
| Terrestrials | January: absent | February: absent | March: absent | April: absent | May: absent | June: active | July: active | August: peak | September: peak | October: active | November: absent | December: absent |
| Isonychia | January: absent | February: absent | March: absent | April: absent | May: absent | June: active | July: active | August: active | September: peak | October: peak | November: absent | December: absent |
| March Brown | January: absent | February: absent | March: absent | April: absent | May: peak | June: peak | July: active | August: absent | September: absent | October: absent | November: absent | December: absent |
| Alder Fly | January: absent | February: absent | March: absent | April: absent | May: active | June: peak | July: absent | August: absent | September: absent | October: absent | November: absent | December: absent |
| Brown Drake | January: absent | February: absent | March: absent | April: absent | May: active | June: peak | July: active | August: absent | September: absent | October: absent | November: absent | December: absent |
| Golden Stonefly | January: absent | February: absent | March: absent | April: absent | May: active | June: peak | July: active | August: absent | September: absent | October: absent | November: absent | December: absent |
| Midge | January: peak | February: peak | March: active | April: active | May: active | June: active | July: active | August: active | September: active | October: active | November: peak | December: peak |
Reports
From anglers on Connecticut River
No reports filed here yet. The first one becomes the page’s local knowledge, stamped with the flow at the time. File a report.