SNOFLO



CONNECTICUT RIVER

RIVER LEVELS
April 18, 2025


Winter Weather Advisory
2025-04-19T12:00:00-06:00

* WHAT...Snow expected. Total snow accumulations between 3 and 7 inches. * WHERE...Castle Rock. * WHEN...From 3 PM this afternoon to noon MDT Saturday. * IMPACTS...Snow covered roads could make travel hazardous. The hazardous conditions will impact the Friday evening commute.


Total streamflow across the Connecticut River was last observed at 131,078 cfs, and is expected to yield approximately 259,990 acre-ft of water today; about 50% of normal. River levels are low and may signify a drought. Average streamflow for this time of year is 264,479 cfs, with recent peaks last observed on 2014-04-17 when daily discharge volume was observed at 548,550 cfs.

Maximum discharge along the river is currently at the Connecticut R At Middle Haddam reporting a streamflow rate of 26,100 cfs. However, the streamgauge with the highest stage along the river is the Connecticut River At Montague City with a gauge stage of 15.09 ft. This river is monitored from 10 different streamgauging stations along the Connecticut River, the highest being situated at an altitude of 1,211 ft, the Connecticut R Below Indian Stream Nr Pittsburg.

Last Updated 2025-04-18
Discharge Volume 259,990 ACRE-FT
Streamflow 131,078.0 cfs
+463.0 cfs (+0.35%)
Percent of Normal 49.56%
Maximum 548,550.0 cfs
2014-04-17
Seasonal Avg 264,479 cfs
       
River Streamflow Levels
Created with Highcharts 8.0.0Total River Discharge (cfs)9. Apr10. Apr11. Apr12. Apr13. Apr14. Apr15. Apr16. Apr17. Apr18. Apr0100k200k300k
Seasonal Discharge Comparison
Created with Highcharts 8.0.0Total River Discharge (cfs)1. Jan1. Feb1. Mar1. Apr1. May1. Jun1. Jul1. Aug1. Sep1. Oct1. Nov1. Dec1. Jan0250k500k750k
Maximum Streamflow Discharge
Created with Highcharts 8.0.0YearAnnual Peak Discharge(cfs)20102011201220132014201520162017201820192020202120222023202420252026100k200k400k600k

Weather Forecast

Streamflow Elevation Profile
Created with Highcharts 8.0.0

The Connecticut River is the longest river in the New England region of the United States, flowing roughly southward for 406 miles (653 km) through four states. It rises at the U.S. border with Quebec, Canada, and discharges at Long Island Sound. Its watershed encompasses five U.S. states and one Canadian province, 11,260 square miles (29,200 km2) via 148 tributaries, 38 of which are major rivers. It produces 70% of Long Island Sound's fresh water, discharging at 19,600 cubic feet (560 m3) per second.The Connecticut River Valley is home to some of the northeastern United States' most productive farmland, as well as a metropolitan region of approximately two million people surrounding Springfield, Massachusetts and Hartford, Connecticut.