| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 44.6 | 50.4 | 57.3 | 65.3 | 74.6 | 86.1 | 91.4 | 88.8 | 80.8 | 69.4 | 54.3 | 45.4 | 67.4 |
| Highest Mean Max. Temperature (F) | 56.2 | 62.5 | 65.8 | 73.4 | 83.2 | 92.1 | 95.0 | 94.5 | 88.9 | 74.2 | 67.3 | 56.5 | 95.0 |
| Year Highest Occurred | 1986 | 1999 | 1989 | 1981 | 2000 | 1990 | 2000 | 2000 | 1998 | 1975 | 1999 | 1980 | 2000 |
| Lowest Mean Max. Temperature (F) | 27.1 | 35.8 | 50.8 | 57.6 | 67.8 | 79.8 | 86.3 | 84.6 | 76.0 | 61.2 | 42.3 | 32.2 | 27.1 |
| Year Lowest Occurred | 1979 | 1989 | 1983 | 1983 | 1995 | 1982 | 1990 | 1993 | 1985 | 1984 | 1985 | 1983 | 1979 |
| Mean Temperature (F) | 29.3 | 34.6 | 41.8 | 49.9 | 59.7 | 69.8 | 75.4 | 73.5 | 64.8 | 52.4 | 38.4 | 30.3 | 51.7 |
| Highest Mean Temperature (F) | 38.6 | 40.7 | 46.5 | 58.3 | 64.7 | 74.4 | 79.3 | 76.9 | 69.8 | 56.3 | 45.8 | 40.6 | 79.3 |
| Year Highest Occurred | 1986 | 2000 | 1986 | 1981 | 1996 | 1981 | 1980 | 2000 | 1998 | 1974 | 1981 | 1980 | 1980 |
| Lowest Mean Temperature (F) | 15.2 | 23.6 | 37.2 | 43.8 | 54.1 | 65.1 | 71.8 | 69.7 | 59.4 | 47.9 | 30.5 | 20.2 | 15.2 |
| Year Lowest Occurred | 1979 | 1989 | 1976 | 1997 | 1995 | 1995 | 1995 | 1992 | 1993 | 1976 | 1985 | 1983 | 1979 |
| Mean Min. Temperature (F) | 14.0 | 18.8 | 26.3 | 34.5 | 44.8 | 53.5 | 59.4 | 58.1 | 48.7 | 35.3 | 22.5 | 15.1 | 35.9 |
| Highest Mean Min. Temperature (F) | 20.9 | 23.8 | 32.5 | 43.2 | 49.3 | 58.3 | 63.8 | 63.5 | 53.4 | 42.9 | 29.2 | 24.6 | 63.8 |
| Year Highest Occurred | 1986 | 1987 | 1981 | 1981 | 1977 | 1981 | 1980 | 1982 | 1981 | 1974 | 1981 | 1980 | 1980 |
| Lowest Mean Min. Temperature (F) | 3.3 | 11.4 | 19.5 | 28.0 | 40.3 | 47.2 | 52.8 | 54.2 | 41.8 | 26.7 | 16.2 | 6.9 | 3.3 |
| Year Lowest Occurred | 1979 | 1989 | 1996 | 1997 | 1995 | 1998 | 1995 | 1992 | 1993 | 1995 | 1993 | 1990 | 1979 |
| Mean Precipitation (in.) | 0.33 | 0.26 | 0.97 | 1.25 | 1.49 | 1.33 | 2.04 | 2.27 | 0.84 | 0.64 | 0.58 | 0.39 | 12.39 |
| Highest Precipitation (in.) | 0.94 | 1.39 | 2.94 | 5.30 | 4.30 | 3.51 | 5.14 | 4.37 | 2.73 | 2.55 | 2.48 | 0.97 | 5.30 |
| Year Highest Occurred | 1988 | 1987 | 2000 | 1999 | 1995 | 1979 | 1990 | 1984 | 1976 | 1984 | 1991 | 1979 | 1999 |
| Lowest Precipitation (in.) | 0.01 | 0.01 | 0.10 | 0.13 | 0.40 | 0.00 | 0.09 | 0.67 | 0.06 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1995 | 1999 | 1977 | 1982 | 1992 | 1990 | 1987 | 1988 | 1975 | 1995 | 1989 | 1995 | 1990 |
| Heating Degree Days (F) | 1094. | 843. | 703. | 439. | 179. | 24. | 1. | 3. | 88. | 381. | 782. | 1061. | 5598. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 2. | 31. | 183. | 337. | 276. | 91. | 2. | 0. | 0. | 922. |