| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 32.3 | 35.2 | 39.8 | 48.0 | 55.9 | 61.8 | 64.5 | 62.9 | 56.2 | 47.3 | 38.5 | 34.4 | 48.1 |
| Highest Mean Max. Temperature (F) | 41.3 | 45.0 | 45.6 | 52.6 | 62.2 | 64.8 | 68.7 | 68.7 | 59.7 | 51.4 | 43.4 | 40.0 | 68.7 |
| Year Highest Occurred | 1981 | 1977 | 1981 | 1984 | 1993 | 1993 | 1972 | 1994 | 1977 | 1979 | 1976 | 1993 | 1972 |
| Lowest Mean Max. Temperature (F) | 25.0 | 24.6 | 33.9 | 41.1 | 48.8 | 57.0 | 61.2 | 60.1 | 51.8 | 43.5 | 29.2 | 28.7 | 24.6 |
| Year Lowest Occurred | 1996 | 1979 | 1972 | 1972 | 1971 | 1985 | 1978 | 2000 | 1992 | 1996 | 1985 | 1971 | 1979 |
| Mean Temperature (F) | 27.9 | 30.3 | 34.0 | 40.3 | 47.1 | 52.8 | 55.7 | 54.7 | 49.4 | 41.9 | 34.0 | 30.1 | 41.5 |
| Highest Mean Temperature (F) | 37.3 | 40.4 | 39.2 | 43.5 | 50.9 | 54.9 | 58.0 | 57.4 | 52.0 | 46.4 | 40.1 | 35.2 | 58.0 |
| Year Highest Occurred | 1981 | 1977 | 1981 | 1984 | 1981 | 1983 | 1972 | 1994 | 1977 | 1979 | 1976 | 1976 | 1972 |
| Lowest Mean Temperature (F) | 19.6 | 18.7 | 29.0 | 35.4 | 41.7 | 49.0 | 54.0 | 52.6 | 44.5 | 37.5 | 23.2 | 24.3 | 18.7 |
| Year Lowest Occurred | 1996 | 1979 | 1972 | 1972 | 1971 | 1985 | 1992 | 1985 | 1992 | 1992 | 1985 | 1971 | 1979 |
| Mean Min. Temperature (F) | 23.4 | 25.3 | 28.2 | 32.6 | 38.2 | 43.8 | 46.9 | 46.4 | 42.5 | 36.5 | 29.5 | 25.8 | 34.9 |
| Highest Mean Min. Temperature (F) | 33.3 | 35.7 | 33.8 | 35.6 | 41.8 | 45.9 | 48.6 | 48.7 | 45.1 | 41.4 | 36.8 | 32.3 | 48.7 |
| Year Highest Occurred | 1981 | 1977 | 1984 | 1977 | 1981 | 1977 | 1977 | 1997 | 1979 | 1979 | 1976 | 1986 | 1997 |
| Lowest Mean Min. Temperature (F) | 14.1 | 11.9 | 23.4 | 29.0 | 34.6 | 41.0 | 45.0 | 44.0 | 37.2 | 30.9 | 17.1 | 19.8 | 11.9 |
| Year Lowest Occurred | 1996 | 1994 | 1995 | 1997 | 1971 | 1985 | 1996 | 1992 | 1992 | 1991 | 1985 | 1990 | 1994 |
| Mean Precipitation (in.) | 6.52 | 4.81 | 3.60 | 2.80 | 3.69 | 3.02 | 3.61 | 5.56 | 9.47 | 11.83 | 7.46 | 7.31 | 69.68 |
| Highest Precipitation (in.) | 11.29 | 10.73 | 7.41 | 7.26 | 6.64 | 8.40 | 6.51 | 10.76 | 15.04 | 24.61 | 12.63 | 16.55 | 24.61 |
| Year Highest Occurred | 1985 | 1988 | 1986 | 1986 | 1972 | 1975 | 1979 | 1972 | 1990 | 1978 | 1974 | 1999 | 1978 |
| Lowest Precipitation (in.) | 2.48 | 0.19 | 0.70 | 0.31 | 1.18 | 0.91 | 1.34 | 1.30 | 3.35 | 5.70 | 2.79 | 0.76 | 0.19 |
| Year Lowest Occurred | 1995 | 1989 | 1989 | 1976 | 1977 | 1982 | 1987 | 1994 | 1986 | 1997 | 1973 | 1983 | 1989 |
| Heating Degree Days (F) | 1151. | 974. | 962. | 742. | 556. | 367. | 289. | 321. | 470. | 716. | 930. | 1081. | 8559. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 0. | 0. | 0. | 0. | 0. | 0. | 0. | 0. |