| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 44.2 | 48.3 | 56.2 | 63.8 | 72.1 | 82.0 | 88.2 | 85.2 | 77.4 | 66.3 | 52.7 | 45.9 | 65.2 |
| Highest Mean Max. Temperature (F) | 54.2 | 56.8 | 66.4 | 71.5 | 79.7 | 88.5 | 91.3 | 88.8 | 83.0 | 74.2 | 61.0 | 58.0 | 91.3 |
| Year Highest Occurred | 1981 | 1995 | 1972 | 1989 | 1984 | 1974 | 1972 | 1996 | 1979 | 1988 | 1999 | 1980 | 1972 |
| Lowest Mean Max. Temperature (F) | 35.1 | 42.0 | 47.1 | 56.3 | 65.6 | 74.7 | 84.6 | 82.3 | 69.8 | 59.6 | 46.0 | 37.6 | 35.1 |
| Year Lowest Occurred | 1979 | 1979 | 1973 | 1975 | 1995 | 1998 | 1992 | 1997 | 1986 | 1984 | 1972 | 1990 | 1979 |
| Mean Temperature (F) | 31.0 | 34.7 | 41.4 | 47.1 | 54.5 | 63.1 | 69.8 | 67.7 | 60.3 | 50.4 | 38.7 | 32.4 | 49.3 |
| Highest Mean Temperature (F) | 38.4 | 43.2 | 48.1 | 54.2 | 59.6 | 68.7 | 74.7 | 71.0 | 63.9 | 57.3 | 43.9 | 41.9 | 74.7 |
| Year Highest Occurred | 1981 | 1995 | 1972 | 1989 | 1997 | 1974 | 1996 | 1996 | 1979 | 1988 | 1999 | 1980 | 1996 |
| Lowest Mean Temperature (F) | 21.5 | 26.2 | 34.9 | 39.6 | 49.3 | 57.4 | 65.7 | 63.3 | 54.4 | 46.0 | 33.3 | 20.8 | 20.8 |
| Year Lowest Occurred | 1973 | 1979 | 1977 | 1975 | 1991 | 1998 | 1993 | 1976 | 1986 | 1984 | 1994 | 1990 | 1990 |
| Mean Min. Temperature (F) | 17.7 | 21.1 | 26.6 | 30.4 | 36.8 | 44.2 | 51.3 | 50.2 | 43.1 | 34.5 | 24.6 | 18.8 | 33.3 |
| Highest Mean Min. Temperature (F) | 22.9 | 29.5 | 31.8 | 36.8 | 42.5 | 48.9 | 58.3 | 55.1 | 48.6 | 40.5 | 27.9 | 25.7 | 58.3 |
| Year Highest Occurred | 2000 | 1995 | 1986 | 1989 | 1997 | 1974 | 1996 | 1971 | 1997 | 1988 | 1989 | 1980 | 1996 |
| Lowest Mean Min. Temperature (F) | 7.1 | 10.5 | 16.8 | 22.9 | 30.6 | 38.4 | 46.5 | 43.8 | 38.5 | 30.3 | 19.6 | 4.0 | 4.0 |
| Year Lowest Occurred | 1973 | 1979 | 1977 | 1975 | 1991 | 1991 | 1993 | 1976 | 1985 | 1975 | 1994 | 1990 | 1990 |
| Mean Precipitation (in.) | 0.91 | 1.12 | 1.12 | 0.69 | 0.67 | 0.46 | 1.03 | 1.53 | 1.26 | 1.37 | 0.95 | 0.81 | 11.92 |
| Highest Precipitation (in.) | 3.19 | 4.23 | 3.61 | 2.79 | 2.27 | 2.00 | 2.50 | 3.59 | 5.14 | 4.63 | 5.15 | 3.01 | 5.15 |
| Year Highest Occurred | 1993 | 1980 | 1983 | 1988 | 1992 | 1997 | 1975 | 1981 | 1997 | 1972 | 1978 | 1972 | 1978 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.10 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1976 | 1972 | 1972 | 1993 | 1986 | 1980 | 1979 | 1976 | 1979 | 1995 | 1988 | 1989 | 1976 |
| Heating Degree Days (F) | 1057. | 848. | 732. | 537. | 337. | 125. | 16. | 30. | 163. | 455. | 791. | 1012. | 6103. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 9. | 69. | 163. | 113. | 20. | 2. | 0. | 0. | 376. |