| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 38.5 | 45.7 | 53.9 | 62.9 | 72.4 | 84.0 | 90.3 | 88.4 | 79.4 | 67.1 | 50.2 | 40.5 | 64.4 |
| Highest Mean Max. Temperature (F) | 49.8 | 56.0 | 61.6 | 69.9 | 79.7 | 91.0 | 94.9 | 94.8 | 86.2 | 70.9 | 63.2 | 51.0 | 94.9 |
| Year Highest Occurred | 1981 | 1991 | 1986 | 1987 | 1994 | 1988 | 2000 | 1995 | 1998 | 1975 | 1999 | 1980 | 2000 |
| Lowest Mean Max. Temperature (F) | 27.1 | 34.8 | 45.2 | 52.3 | 62.1 | 76.1 | 84.8 | 84.2 | 70.9 | 60.0 | 37.0 | 24.3 | 24.3 |
| Year Lowest Occurred | 1979 | 1993 | 1987 | 1984 | 1995 | 1983 | 1992 | 1979 | 1973 | 1984 | 1985 | 1983 | 1983 |
| Mean Temperature (F) | 25.2 | 31.7 | 39.6 | 48.3 | 58.5 | 69.1 | 75.1 | 73.3 | 63.5 | 50.9 | 36.4 | 27.2 | 49.9 |
| Highest Mean Temperature (F) | 33.4 | 39.5 | 46.4 | 53.6 | 63.9 | 75.0 | 78.6 | 78.1 | 69.8 | 53.6 | 44.4 | 36.2 | 78.6 |
| Year Highest Occurred | 1999 | 1992 | 1986 | 1981 | 1994 | 1988 | 2000 | 1995 | 1998 | 2000 | 1999 | 1980 | 2000 |
| Lowest Mean Temperature (F) | 13.9 | 22.2 | 33.2 | 41.8 | 52.3 | 63.6 | 70.5 | 69.7 | 58.7 | 47.4 | 26.5 | 12.7 | 12.7 |
| Year Lowest Occurred | 1979 | 1989 | 1987 | 1984 | 1995 | 1982 | 1972 | 1974 | 1971 | 1976 | 1985 | 1983 | 1983 |
| Mean Min. Temperature (F) | 11.9 | 17.7 | 25.3 | 33.7 | 44.5 | 54.1 | 59.8 | 58.1 | 47.6 | 34.7 | 22.5 | 13.8 | 35.3 |
| Highest Mean Min. Temperature (F) | 20.5 | 26.1 | 31.1 | 38.6 | 48.3 | 59.0 | 62.7 | 63.7 | 53.3 | 38.5 | 27.6 | 21.3 | 63.7 |
| Year Highest Occurred | 1999 | 1992 | 1986 | 1978 | 1987 | 1988 | 1980 | 1983 | 1998 | 2000 | 1998 | 1980 | 1983 |
| Lowest Mean Min. Temperature (F) | 0.8 | 9.5 | 19.3 | 28.8 | 41.1 | 49.5 | 56.2 | 54.9 | 42.0 | 30.2 | 15.8 | 1.0 | 0.8 |
| Year Lowest Occurred | 1979 | 1989 | 1975 | 1975 | 1981 | 1998 | 1972 | 1992 | 1974 | 1976 | 2000 | 1983 | 1979 |
| Mean Precipitation (in.) | 0.41 | 0.32 | 1.13 | 1.33 | 2.75 | 2.88 | 2.59 | 1.89 | 1.19 | 0.88 | 0.61 | 0.31 | 16.29 |
| Highest Precipitation (in.) | 1.28 | 1.24 | 3.52 | 3.51 | 6.44 | 8.26 | 10.52 | 5.50 | 3.88 | 3.75 | 2.13 | 1.19 | 10.52 |
| Year Highest Occurred | 1978 | 1993 | 1984 | 1977 | 1987 | 1992 | 1998 | 1979 | 1973 | 1994 | 1972 | 1973 | 1998 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.17 | 0.29 | 0.30 | 0.64 | 0.29 | 0.08 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1999 | 1999 | 1999 | 1991 | 1974 | 2000 | 1971 | 1973 | 1978 | 1999 | 2000 | 1996 | 1999 |
| Heating Degree Days (F) | 1234. | 932. | 789. | 502. | 237. | 48. | 1. | 8. | 122. | 439. | 859. | 1173. | 6344. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 1. | 33. | 170. | 312. | 263. | 76. | 0. | 0. | 0. | 855. |