May State Temperature Averages

State May 2009 Coolest Warmest
Temperature Departure Rank Average Year Average Year
Connecticut 57.3 -0.5 61 49.8 1917 63.1 1991
Delaware 63.6 0.8 75 56.2 1917 69.2 2004
Maine 51.0 -0.3 52 44.3 1967 57.6 1911
Maryland 62.7 0.3 70 56.5 1967+ 69.0 2004
Massachusetts 56.5 0.3 66 48.8 1917 61.4 1944
New Hampshire 53.3 -0.8 58 45.0 1917 59.7 1911
New Jersey 61.3 0.8 74 53.5 1917 66.1 1991
New York 55.4 0.1 63 46.9 1917 61.6 1911
Pennsylvania 57.9 0.2 53 51.0 1967 64.8 1944
Rhode Island 58.5 2.0 104 48.1 1917 60.8 1991
Vermont 52.9 -1.1 52 44.8 1917 59.9 1975
West Virginia 61.0 1.1 69 54.3 1997 67.3 1896
Northeast 56.5 0.1 58 49.5 1917 62.1 1911

Rankings are for 115 years between 1895 and 2009. 1=coolest; 115=warmest.

May State Precipitation Averages

State May 2009 Driest Wettest
Precipitation Departure Pct Normal Rank Amount Year Amount Year
Connecticut 3.88 -0.45 89% 67 0.60 1903 10.42 1984
Delaware 4.96 0.78 118% 93 0.34 1964 10.80 1948
Maine 4.02 0.38 110% 76 0.77 1903 7.16 1984
Maryland 5.86 1.59 137% 102 0.80 1964 7.62 1989
Massachusetts 3.78 -0.13 96% 71 0.75 1903 9.31 2006
New Hampshire 4.47 0.71 118% 83 0.69 1903 9.58 1984
New Jersey 4.38 0.10 102% 80 0.53 1903 8.29 1984
New York 4.65 0.97 126% 95 0.64 1903 7.03 1984
Pennsylvania 5.09 1.02 125% 96 1.43 1903 7.63 1989
Rhode Island 3.29 -0.43 88% 60 0.68 1939 9.00 1948
Vermont 5.46 1.62 142% 103 0.41 1903 8.47 1984
West Virginia 6.91 2.34 151% 109 1.46 1911 9.26 1996
Northeast 4.95 0.98 124% 98 1.23 1903 6.91 1984

Rankings are for 115 years between 1895 and 2009. 1=driest; 115=wettest.

+ indicates extreme also occurred in one or more previous years.
Departures are calculated using the 1971-2000 normals.