| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 43.2 | 48.7 | 56.3 | 64.6 | 73.8 | 84.5 | 87.7 | 85.2 | 78.9 | 67.5 | 53.0 | 43.9 | 65.6 |
| Highest Mean Max. Temperature (F) | 53.9 | 55.3 | 64.4 | 73.4 | 81.1 | 89.5 | 91.5 | 89.2 | 83.1 | 73.3 | 63.0 | 53.0 | 91.5 |
| Year Highest Occurred | 1986 | 1999 | 1989 | 1989 | 2000 | 1990 | 1971 | 1995 | 1979 | 1999 | 1999 | 1980 | 1971 |
| Lowest Mean Max. Temperature (F) | 32.1 | 43.1 | 46.5 | 58.1 | 69.1 | 80.3 | 84.1 | 82.5 | 73.4 | 59.2 | 45.7 | 34.6 | 32.1 |
| Year Lowest Occurred | 1992 | 1973 | 1973 | 1983 | 1995 | 1983 | 1999 | 1992 | 1985 | 1984 | 2000 | 1991 | 1992 |
| Mean Temperature (F) | 32.6 | 37.3 | 43.3 | 50.3 | 59.1 | 69.4 | 73.7 | 71.8 | 65.5 | 54.5 | 41.4 | 33.5 | 52.7 |
| Highest Mean Temperature (F) | 40.6 | 42.8 | 50.1 | 58.4 | 65.0 | 73.9 | 76.8 | 74.9 | 69.1 | 59.3 | 47.5 | 41.4 | 76.8 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 1989 | 2000 | 1974 | 1996 | 1995 | 1979 | 1988 | 1999 | 1980 | 1996 |
| Lowest Mean Temperature (F) | 23.9 | 33.0 | 37.0 | 43.9 | 53.7 | 65.4 | 71.3 | 69.5 | 61.0 | 48.2 | 35.9 | 25.7 | 23.9 |
| Year Lowest Occurred | 1992 | 1979 | 1973 | 1983 | 1975 | 1983 | 1986 | 1990 | 1985 | 1984 | 2000 | 1990 | 1992 |
| Mean Min. Temperature (F) | 21.9 | 25.8 | 30.3 | 36.0 | 44.3 | 54.2 | 59.6 | 58.4 | 52.1 | 41.5 | 29.7 | 23.0 | 39.7 |
| Highest Mean Min. Temperature (F) | 29.0 | 31.0 | 35.7 | 43.4 | 49.6 | 58.9 | 63.2 | 60.5 | 56.6 | 46.1 | 33.0 | 31.3 | 63.2 |
| Year Highest Occurred | 1982 | 1995 | 1972 | 1989 | 1984 | 1974 | 1996 | 1995 | 1997 | 1988 | 1981 | 1977 | 1996 |
| Lowest Mean Min. Temperature (F) | 15.7 | 21.5 | 24.2 | 29.7 | 37.8 | 50.5 | 57.4 | 55.8 | 48.5 | 36.6 | 25.0 | 15.6 | 15.6 |
| Year Lowest Occurred | 1992 | 1974 | 1977 | 1983 | 1975 | 1983 | 1982 | 1990 | 1985 | 1971 | 1992 | 1990 | 1990 |
| Mean Precipitation (in.) | 0.89 | 0.65 | 0.75 | 0.54 | 0.49 | 0.14 | 1.03 | 1.25 | 0.99 | 1.25 | 0.70 | 0.66 | 9.34 |
| Highest Precipitation (in.) | 5.03 | 1.80 | 2.81 | 3.88 | 2.12 | 0.92 | 3.55 | 3.25 | 2.87 | 5.98 | 2.37 | 2.19 | 5.98 |
| Year Highest Occurred | 1983 | 1980 | 1983 | 1985 | 1992 | 1972 | 1974 | 1987 | 1997 | 1972 | 1978 | 1987 | 1972 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.11 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1992 | 1989 | 1989 | 1992 | 1990 | 1990 | 1978 | 1974 | 1991 | 1990 | 1992 | 1989 | 1992 |
| Heating Degree Days (F) | 1007. | 777. | 674. | 443. | 217. | 27. | 0. | 2. | 61. | 333. | 709. | 978. | 5228. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 2. | 33. | 157. | 268. | 212. | 76. | 8. | 0. | 0. | 756. |