| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 39.8 | 45.8 | 52.7 | 60.3 | 67.9 | 76.5 | 85.6 | 85.1 | 77.4 | 65.4 | 47.9 | 40.0 | 62.0 |
| Highest Mean Max. Temperature (F) | 46.2 | 55.5 | 60.5 | 69.8 | 79.4 | 83.0 | 92.2 | 90.2 | 85.1 | 76.2 | 57.3 | 47.1 | 92.2 |
| Year Highest Occurred | 1994 | 1991 | 1992 | 1990 | 1992 | 1986 | 1996 | 1986 | 1990 | 1988 | 1976 | 1980 | 1996 |
| Lowest Mean Max. Temperature (F) | 29.6 | 33.9 | 47.1 | 51.2 | 59.4 | 69.8 | 74.3 | 75.7 | 67.6 | 55.4 | 38.5 | 31.6 | 29.6 |
| Year Lowest Occurred | 1979 | 1993 | 1971 | 1975 | 1977 | 1980 | 1993 | 1976 | 1985 | 1984 | 1985 | 1985 | 1979 |
| Mean Temperature (F) | 28.7 | 34.0 | 39.3 | 44.3 | 51.1 | 58.0 | 64.3 | 62.9 | 55.0 | 45.7 | 35.8 | 28.7 | 45.7 |
| Highest Mean Temperature (F) | 35.6 | 40.9 | 44.0 | 50.0 | 58.2 | 62.9 | 68.4 | 67.2 | 59.9 | 52.2 | 42.0 | 34.5 | 68.4 |
| Year Highest Occurred | 1981 | 1991 | 1986 | 1987 | 1992 | 1986 | 1996 | 1986 | 1990 | 1988 | 1999 | 1980 | 1996 |
| Lowest Mean Temperature (F) | 14.8 | 21.8 | 34.8 | 38.5 | 45.8 | 54.0 | 57.2 | 58.5 | 49.0 | 42.2 | 23.8 | 17.3 | 14.8 |
| Year Lowest Occurred | 1979 | 1993 | 1985 | 1975 | 1977 | 1976 | 1993 | 1980 | 1972 | 1984 | 1985 | 1985 | 1979 |
| Mean Min. Temperature (F) | 17.5 | 22.2 | 25.9 | 28.3 | 34.3 | 39.5 | 42.9 | 40.7 | 32.6 | 25.9 | 23.6 | 17.4 | 29.2 |
| Highest Mean Min. Temperature (F) | 25.8 | 29.4 | 31.3 | 33.1 | 39.4 | 43.6 | 48.1 | 45.0 | 37.8 | 33.1 | 30.4 | 26.7 | 48.1 |
| Year Highest Occurred | 1995 | 1980 | 1983 | 1994 | 1993 | 1982 | 1975 | 1979 | 1997 | 1979 | 1998 | 1973 | 1975 |
| Lowest Mean Min. Temperature (F) | 0.1 | 9.7 | 21.5 | 23.9 | 30.8 | 35.8 | 39.1 | 36.4 | 25.8 | 19.2 | 8.1 | 2.9 | 0.1 |
| Year Lowest Occurred | 1979 | 1993 | 1994 | 1977 | 1982 | 1976 | 1981 | 1995 | 1972 | 1978 | 1993 | 1985 | 1979 |
| Mean Precipitation (in.) | 1.30 | 0.85 | 1.14 | 0.96 | 1.28 | 0.91 | 0.65 | 0.64 | 0.48 | 0.82 | 1.19 | 1.10 | 11.32 |
| Highest Precipitation (in.) | 5.55 | 2.18 | 3.73 | 2.58 | 4.12 | 3.12 | 4.20 | 3.15 | 1.71 | 1.84 | 3.29 | 3.39 | 5.55 |
| Year Highest Occurred | 1998 | 1983 | 1983 | 1978 | 1998 | 1980 | 1987 | 1984 | 1985 | 1979 | 1973 | 1981 | 1998 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.05 | 0.15 | 0.22 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.08 | 0.00 | 0.00 |
| Year Lowest Occurred | 1985 | 1997 | 1999 | 1977 | 1975 | 1999 | 1996 | 2000 | 1999 | 1988 | 1989 | 1997 | 1985 |
| Heating Degree Days (F) | 1127. | 868. | 796. | 621. | 431. | 222. | 96. | 116. | 310. | 600. | 878. | 1126. | 7191. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 12. | 72. | 51. | 10. | 0. | 0. | 0. | 145. |