NRCC Northeast Regional Climate Center  

December State Temperature Averages

State December 2002 Coolest Warmest
Temperature Departure Rank Average Year Average Year
Connecticut 30.1 -1.0 52 17.5 1989 37.6 2001
Delaware 36.0 -2.4 41 26.0 1989 44.8 1984
Maine 20.9 0.5 56 5.3 1989 29.4 1900
Maryland 34.0 -2.8 40 24.5 1989 43.6 1984
Massachusetts 28.9 -1.3 43 16.4 1989 37.2 1923
New Hampshire 23.6 -0.5 58 8.5 1989 31.3 2001
New Jersey 33.5 -1.9 47 23.1 1989 41.7 2001
New York 25.2 -1.3 47 11.5 1989 33.8 2001
Pennsylvania 27.9 -2.8 31 17.8 1989 38.4 1923
Rhode Island 32.3 -1.9 43 21.9 1989 42.4 1928
Vermont 21.6 -1.1 49 5.0 1989 30.4 2001
West Virginia 32.6 -1.8 40 21.7 1989 42.6 1956
Northeast 27.0 -1.5 44 14.4 1989 35.5 1923

Rankings are for 108 years between 1895 and 2002. 1=coolest; 108=warmest.

December State Precipitation Averages

State December 2002 Driest Wettest
Precipitation Departure Pct Normal Rank Amount Year Amount Year
Connecticut 4.73 0.65 115% 79 0.79 1955 9.37 1973
Delaware 4.40 0.85 123% 85 0.64 1988 8.15 1996
Maine 3.10 -0.41 88% 46 0.94 1943 8.76 1973
Maryland 4.04 0.63 118% 82 0.48 1955 6.95 1969
Massachusetts 5.49 1.44 135% 92 0.92 1943 8.52 1973
New Hampshire 3.47 0.03 100% 62 0.94 1943 8.72 1973
New Jersey 4.55 0.84 122% 86 0.39 1955 7.96 1996
New York 3.75 0.51 115% 84 1.13 1943 6.04 1973
Pennsylvania 3.74 0.58 118% 86 0.58 1955 6.23 1990
Rhode Island 5.50 1.14 126% 85 0.71 1955 10.20 1936
Vermont 2.70 -0.49 84% 50 0.99 1943 7.51 1973
West Virginia 3.42 -0.01 99% 63 0.69 1965 7.08 1978
Northeast 3.70 0.32 109% 77 1.02 1955 6.41 1973

Rankings are for 108 years between 1895 and 2002. 1=driest; 108=wettest.

Departures are calculated using the 1971-2000 normals.