| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 47.4 | 51.7 | 57.8 | 65.8 | 74.6 | 85.1 | 91.3 | 88.8 | 80.6 | 69.0 | 55.0 | 47.2 | 67.9 |
| Highest Mean Max. Temperature (F) | 58.2 | 60.5 | 66.5 | 75.6 | 82.6 | 92.5 | 95.7 | 92.5 | 86.1 | 77.0 | 64.9 | 55.1 | 95.7 |
| Year Highest Occurred | 2000 | 2000 | 1972 | 1989 | 2000 | 1986 | 1988 | 1998 | 1979 | 1988 | 1995 | 1980 | 1988 |
| Lowest Mean Max. Temperature (F) | 39.6 | 42.3 | 50.1 | 55.5 | 63.0 | 77.7 | 86.7 | 81.5 | 74.0 | 63.5 | 45.4 | 38.6 | 38.6 |
| Year Lowest Occurred | 1993 | 1998 | 1991 | 1975 | 1977 | 1998 | 1999 | 1976 | 1986 | 1984 | 1994 | 1984 | 1984 |
| Mean Temperature (F) | 33.2 | 38.2 | 44.0 | 50.8 | 59.4 | 68.8 | 75.0 | 72.5 | 64.7 | 53.2 | 40.4 | 32.9 | 52.8 |
| Highest Mean Temperature (F) | 40.1 | 44.5 | 50.3 | 58.5 | 65.9 | 73.9 | 78.0 | 75.4 | 68.8 | 58.6 | 47.8 | 39.4 | 78.0 |
| Year Highest Occurred | 2000 | 2000 | 1972 | 1989 | 1984 | 1981 | 1988 | 1996 | 1979 | 1988 | 1995 | 1980 | 1988 |
| Lowest Mean Temperature (F) | 25.2 | 32.4 | 37.4 | 41.9 | 51.0 | 63.1 | 71.1 | 66.5 | 59.6 | 47.9 | 32.1 | 27.5 | 25.2 |
| Year Lowest Occurred | 1973 | 1973 | 1977 | 1975 | 1977 | 1998 | 1987 | 1976 | 1986 | 1971 | 1994 | 1971 | 1973 |
| Mean Min. Temperature (F) | 19.0 | 24.6 | 30.1 | 35.8 | 44.1 | 52.4 | 58.6 | 56.2 | 48.8 | 37.4 | 25.7 | 18.5 | 37.6 |
| Highest Mean Min. Temperature (F) | 25.3 | 29.9 | 35.0 | 43.6 | 50.1 | 57.7 | 61.4 | 60.4 | 52.6 | 43.4 | 30.7 | 25.0 | 61.4 |
| Year Highest Occurred | 1980 | 1992 | 1993 | 1992 | 1992 | 1981 | 1972 | 1971 | 1981 | 1992 | 1995 | 1977 | 1972 |
| Lowest Mean Min. Temperature (F) | 8.3 | 20.2 | 23.1 | 28.2 | 38.4 | 46.3 | 54.5 | 51.5 | 45.1 | 29.4 | 18.7 | 13.7 | 8.3 |
| Year Lowest Occurred | 1973 | 1974 | 1977 | 1975 | 1998 | 1995 | 1987 | 1976 | 1986 | 1971 | 1994 | 1990 | 1973 |
| Mean Precipitation (in.) | 0.58 | 0.83 | 0.81 | 0.52 | 0.47 | 0.25 | 0.65 | 0.57 | 0.49 | 0.28 | 0.37 | 0.45 | 6.27 |
| Highest Precipitation (in.) | 3.40 | 3.18 | 3.18 | 3.02 | 2.17 | 1.44 | 4.18 | 4.86 | 2.72 | 1.33 | 1.46 | 3.16 | 4.86 |
| Year Highest Occurred | 1997 | 1978 | 1978 | 1983 | 1971 | 1972 | 1984 | 1983 | 1975 | 1974 | 1987 | 1984 | 1983 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1994 | 1999 | 1999 | 1993 | 2000 | 1996 | 2000 | 2000 | 1993 | 1999 | 1999 | 1999 | 1994 |
| Heating Degree Days (F) | 987. | 751. | 652. | 438. | 226. | 43. | 1. | 4. | 80. | 374. | 739. | 998. | 5293. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 12. | 50. | 155. | 309. | 237. | 72. | 8. | 0. | 0. | 843. |