USGS Water-Year Summary 2024
01193000 CONNECTICUT RIVER NEAR MIDDLETOWN, CT
LOCATION - Lat 41°33'39.29", long 72°36'41.43" referenced to North American Datum of 1983, Middlesex County, CT, Hydrologic Unit 01080205, on right bank 0.5 mi upstream from Bodkin Rock, 2 mi downstream from Middletown, and 29.5 mi upstream from mouth.
DRAINAGE AREA - 10,887 mi².
REVISIONS HISTORY - WDR CT-83-1: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1965 to September 30, 2011 (discontinued). Jan. 1947 to Sept. 1948, twice daily readings on outside staff gage, and Sept.
1948 to Oct. 1965, infrequent discharge measurements at high stages and continuous graphic record of stage.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is National Geodetic Vertical Datum of 1929. Telephone telemetry at station until June 23, 2011, satellite telemetry at station from Aug. 25, 2011 to present.
EXTREMES OUTSIDE PERIOD OF RECORD - Maximum discharge, 267,000 ft³/s Mar. 21, 1936, gage height, 28.20 ft, from rating curve extended above 125,000 ft³/s on basis of stage and discharge determinations of 1927, 1936, and 1938 floods. Peak discharges for floods dating back to 1814 are available in the office at East Hartford, Conn.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 186,000 ft³/s June 2, 1984, gage height, 21.27 ft.