Connecticut Climate Data

Connecticut Annual Rainfall and Climate Data, see below for individual cities

Connecticut Average Annual Precipitation

Connecticut city precipitation totals

City	Avg Annual Precip	Avg Annual Snow	Avg # days w/ Precip	Avg # thunderstorm days	Avg # hail days	Avg # severe thunderstorm watches per year	Avg # tornado watches per year	# of tornadoes reported in county, 1960-2010
Bridgeport	44.15	26.4	118	22	1	0	10	12
Hartford	46.16	50.3	127	20	1	0	8	12
Connecticut Annual Precipitation Average - 50.39 inches, 10th wettest in U.S. Connecticut Tornado Average - 1.4 per year, 42nd most in the U.S. Largest reported Tornado in Connecticut from 1950-2011, 10/3/1979 - 1,400 yards / .79 miles wide Date with highest number of reported Tornadoes in Connecticut from 1950-2011, July 6th - 5 tornadoes Average time of occurrence of reported Tornadoes in Connecticut from 1950-2011 - 3:29 pm Connecticut Annual Lightning Density - 4.1 flashes per square mile - 35th highest in U.S Record Driest year in Connecticut from 1895-2012 - 1965, avg precipitation 30.98 inches Record Wettest year in Connecticut from 1895-2012 - 1975, avg precipitation 69.60 inches

Connecticut Precipitation Data

Driest location ranked by lowest annual average precipitation: Bridgeport, southeast Connecticut, 44.15"

Wettest location ranked by highest annual average precipitation: West Hartford, central Connecticut 56.93"

Snowiest location ranked by highest annual average snowfall: Norfolk, northwest Connecticut

State precipitation record for 24 hours - Burlington, central Connecticut, 8/19/1955, 12.77"

State precipitation record for 1 year - Burlington, central Connecticut, 1955, 78.53"

State snowfall record for 24 hours - New Haven, southern Connecticut, 28.0", 3/12/1888

State snow record for 1 season - Norfolk, northwest Connecticut, 177.4", 1955-1956

Connecticut temperature averages and extremes, precipitation and temperature data for all U.S. states and Top 10 U.S. climate extremes

Data sources: National Climatic Data Center, severe thunderstorm / tornado watch data period is 1999 - 2008, NOAA Storm Prediction Center, Tornado climate data - NOAA Storm Prediction Center, State lightning flash density average - 1997-2011, Vaisala