| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 39.3 | 42.3 | 47.9 | 55.6 | 65.6 | 76.8 | 80.0 | 77.1 | 72.0 | 62.2 | 48.7 | 40.9 | 59.0 |
| Highest Mean Max. Temperature (F) | 49.3 | 48.8 | 58.9 | 65.7 | 75.5 | 82.5 | 84.6 | 80.4 | 77.5 | 69.0 | 63.3 | 49.3 | 84.6 |
| Year Highest Occurred | 1986 | 1996 | 1972 | 1989 | 2000 | 1994 | 1994 | 1994 | 2000 | 1999 | 1999 | 1980 | 1994 |
| Lowest Mean Max. Temperature (F) | 32.0 | 37.4 | 40.5 | 47.4 | 60.2 | 73.1 | 75.8 | 73.1 | 67.2 | 51.6 | 39.8 | 33.9 | 32.0 |
| Year Lowest Occurred | 1979 | 1973 | 1973 | 1973 | 1979 | 1991 | 1986 | 1987 | 1996 | 1984 | 1972 | 1978 | 1979 |
| Mean Temperature (F) | 23.8 | 27.2 | 33.2 | 39.8 | 48.5 | 57.9 | 63.0 | 61.4 | 55.2 | 44.9 | 32.6 | 25.3 | 42.7 |
| Highest Mean Temperature (F) | 31.8 | 34.2 | 41.5 | 45.1 | 54.5 | 62.2 | 65.4 | 64.4 | 59.2 | 49.4 | 40.1 | 33.5 | 65.4 |
| Year Highest Occurred | 1986 | 1996 | 1972 | 1992 | 2000 | 1994 | 1996 | 1995 | 1998 | 1988 | 1999 | 1980 | 1996 |
| Lowest Mean Temperature (F) | 18.2 | 21.6 | 28.6 | 33.6 | 45.2 | 54.8 | 60.6 | 58.5 | 50.4 | 39.7 | 24.8 | 21.1 | 18.2 |
| Year Lowest Occurred | 1979 | 1985 | 1977 | 1973 | 1975 | 1995 | 1986 | 1990 | 1985 | 1984 | 2000 | 1992 | 1979 |
| Mean Min. Temperature (F) | 8.2 | 12.1 | 18.4 | 23.9 | 31.3 | 39.0 | 46.0 | 45.6 | 38.4 | 27.6 | 16.5 | 9.7 | 26.4 |
| Highest Mean Min. Temperature (F) | 17.4 | 19.5 | 24.0 | 28.6 | 36.2 | 42.5 | 48.4 | 48.6 | 43.1 | 33.9 | 23.7 | 18.6 | 48.6 |
| Year Highest Occurred | 1980 | 1996 | 1972 | 1992 | 1992 | 1996 | 1981 | 1995 | 1997 | 1972 | 1978 | 1977 | 1995 |
| Lowest Mean Min. Temperature (F) | 1.5 | 4.7 | 13.7 | 19.8 | 27.0 | 34.1 | 42.4 | 42.5 | 32.0 | 22.5 | 9.1 | 3.5 | 1.5 |
| Year Lowest Occurred | 1985 | 1985 | 1988 | 1973 | 1986 | 1998 | 1987 | 1990 | 1985 | 1985 | 2000 | 1999 | 1985 |
| Mean Precipitation (in.) | 1.90 | 1.61 | 2.04 | 1.19 | 1.04 | 0.68 | 2.31 | 2.75 | 1.79 | 1.65 | 1.88 | 1.48 | 20.32 |
| Highest Precipitation (in.) | 6.13 | 4.18 | 5.12 | 3.06 | 3.19 | 3.35 | 5.70 | 6.29 | 4.25 | 6.79 | 3.74 | 4.21 | 6.79 |
| Year Highest Occurred | 1993 | 1980 | 1991 | 1988 | 1992 | 1988 | 1999 | 1995 | 1971 | 1972 | 1982 | 1983 | 1972 |
| Lowest Precipitation (in.) | 0.10 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.26 | 0.57 | 0.44 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1972 | 1984 | 1972 | 1989 | 2000 | 1998 | 1993 | 1978 | 1979 | 1999 | 1999 | 1976 | 1984 |
| Heating Degree Days (F) | 1278. | 1059. | 987. | 758. | 514. | 222. | 80. | 122. | 296. | 624. | 972. | 1231. | 8143. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 9. | 18. | 9. | 2. | 0. | 0. | 0. | 38. |