NRCC Northeast Regional Climate Center  

December State Temperature Averages

State December 2003 Coolest Warmest
Temperature Departure Rank Average Year Average Year
Connecticut 32.5 1.4 81 17.5 1989 37.6 2001
Delaware 37.2 -1.2 57 26.0 1989 44.8 1984
Maine 23.1 2.7 75 5.3 1989 29.4 1900
Maryland 36.1 -0.7 59 24.5 1989 43.6 1984
Massachusetts 31.7 1.5 76 16.4 1989 37.2 1923
New Hampshire 24.8 0.7 70 8.5 1989 31.3 2001
New Jersey 35.8 0.4 66 23.1 1989 41.7 2001
New York 27.9 1.4 70 11.5 1989 33.8 2001
Pennsylvania 30.9 0.2 59 17.8 1989 38.4 1923
Rhode Island 35.6 1.4 82 21.9 1989 42.4 1928
Vermont 22.0 -0.7 52 5.0 1989 30.4 2001
West Virginia 33.0 -1.4 45 21.7 1989 42.6 1956
Northeast 29.1 0.7 65 14.4 1989 35.5 1923

Rankings are for 109 years between 1895 and 2003. 1=coolest; 109=warmest.

December State Precipitation Averages

State December 2003 Driest Wettest
Precipitation Departure Pct Normal Rank Amount Year Amount Year
Connecticut 5.42 1.34 132% 90 0.79 1955 9.37 1973
Delaware 5.76 2.21 162% 99 0.64 1988 8.15 1996
Maine 6.04 2.53 172% 104 0.94 1943 8.76 1973
Maryland 4.96 1.55 145% 93 0.48 1955 6.95 1969
Massachusetts 5.92 1.87 146% 99 0.92 1943 8.52 1973
New Hampshire 6.51 3.07 189% 105 0.94 1943 8.72 1973
New Jersey 5.99 2.28 161% 98 0.39 1955 7.96 1996
New York 4.32 1.08 133% 99 1.13 1943 6.04 1973
Pennsylvania 4.10 0.94 129% 94 0.58 1955 6.23 1990
Rhode Island 5.56 1.20 127% 88 0.71 1955 10.20 1936
Vermont 6.79 3.60 212% 108 0.99 1943 7.51 1973
West Virginia 3.52 0.09 102% 66 0.69 1965 7.08 1978
Northeast 4.86 1.48 143% 100 1.02 1955 6.41 1973

Rankings are for 109 years between 1895 and 2003. 1=driest; 109=wettest.

Departures are calculated using the 1971-2000 normals.