| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 39.0 | 42.8 | 48.4 | 56.6 | 64.2 | 74.4 | 84.3 | 83.9 | 74.9 | 63.6 | 47.6 | 39.7 | 60.0 |
| Highest Mean Max. Temperature (F) | 48.4 | 55.4 | 56.1 | 66.7 | 74.8 | 81.9 | 88.0 | 87.6 | 82.1 | 73.9 | 60.1 | 48.8 | 88.0 |
| Year Highest Occurred | 1981 | 1995 | 1992 | 1987 | 1992 | 1974 | 1989 | 1994 | 1979 | 1988 | 1995 | 1980 | 1989 |
| Lowest Mean Max. Temperature (F) | 32.0 | 35.6 | 41.5 | 43.8 | 56.5 | 65.9 | 74.1 | 77.2 | 64.7 | 54.8 | 40.5 | 31.9 | 31.9 |
| Year Lowest Occurred | 1979 | 1989 | 1975 | 1975 | 1977 | 1998 | 1993 | 1976 | 1986 | 1984 | 2000 | 1971 | 1971 |
| Mean Temperature (F) | 25.1 | 28.8 | 34.8 | 41.1 | 48.0 | 55.5 | 62.3 | 61.1 | 52.6 | 43.4 | 33.2 | 25.5 | 42.6 |
| Highest Mean Temperature (F) | 32.7 | 39.0 | 40.5 | 45.0 | 52.5 | 60.5 | 65.4 | 65.2 | 56.6 | 47.9 | 39.7 | 33.2 | 65.4 |
| Year Highest Occurred | 1981 | 1995 | 1978 | 1990 | 1993 | 1974 | 1985 | 1971 | 1994 | 1988 | 1999 | 1977 | 1985 |
| Lowest Mean Temperature (F) | 16.7 | 20.6 | 27.8 | 34.4 | 43.9 | 50.5 | 58.5 | 56.8 | 46.8 | 39.0 | 24.7 | 16.2 | 16.2 |
| Year Lowest Occurred | 1985 | 1985 | 1985 | 1975 | 1977 | 1998 | 1993 | 1976 | 1986 | 1984 | 1993 | 1990 | 1990 |
| Mean Min. Temperature (F) | 11.1 | 14.8 | 21.2 | 25.5 | 31.7 | 36.6 | 40.2 | 38.2 | 30.3 | 23.1 | 18.7 | 11.3 | 25.2 |
| Highest Mean Min. Temperature (F) | 21.5 | 23.0 | 27.3 | 28.5 | 37.6 | 41.9 | 46.0 | 43.1 | 36.3 | 28.8 | 27.8 | 22.2 | 46.0 |
| Year Highest Occurred | 1995 | 1986 | 1983 | 1995 | 1993 | 1977 | 1975 | 1983 | 1982 | 1975 | 1973 | 1977 | 1975 |
| Lowest Mean Min. Temperature (F) | -1.1 | 2.4 | 11.1 | 20.4 | 28.5 | 32.7 | 35.7 | 33.7 | 24.8 | 19.8 | 6.1 | -0.1 | -1.1 |
| Year Lowest Occurred | 1985 | 1994 | 1976 | 1982 | 1988 | 1991 | 1992 | 1988 | 1988 | 1991 | 1993 | 1990 | 1985 |
| Mean Precipitation (in.) | 1.24 | 1.06 | 1.22 | 1.10 | 1.84 | 0.91 | 0.53 | 0.40 | 0.86 | 1.04 | 1.39 | 1.25 | 12.84 |
| Highest Precipitation (in.) | 2.95 | 4.06 | 3.06 | 2.42 | 4.87 | 3.25 | 2.43 | 2.37 | 3.05 | 3.29 | 3.87 | 4.59 | 4.87 |
| Year Highest Occurred | 1997 | 1986 | 1989 | 1994 | 1995 | 1984 | 1984 | 1983 | 1976 | 1975 | 1988 | 1996 | 1995 |
| Lowest Precipitation (in.) | 0.14 | 0.25 | 0.39 | 0.22 | 0.00 | 0.08 | 0.00 | 0.00 | 0.00 | 0.00 | 0.35 | 0.05 | 0.00 |
| Year Lowest Occurred | 1992 | 1990 | 1995 | 1977 | 1974 | 1974 | 1999 | 1995 | 1987 | 1988 | 1993 | 1976 | 1974 |
| Heating Degree Days (F) | 1238. | 1014. | 937. | 719. | 527. | 288. | 118. | 148. | 373. | 672. | 956. | 1226. | 8216. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 3. | 32. | 25. | 2. | 0. | 0. | 0. | 62. |