| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 59.5 | 66.2 | 73.1 | 81.0 | 89.1 | 96.4 | 95.3 | 92.4 | 88.1 | 80.0 | 67.8 | 59.6 | 79.0 |
| Highest Mean Max. Temperature (F) | 65.9 | 72.8 | 79.6 | 87.6 | 96.2 | 102.5 | 101.0 | 96.3 | 94.0 | 86.4 | 75.5 | 66.3 | 102.5 |
| Year Highest Occurred | 2000 | 1996 | 1972 | 1989 | 1996 | 1980 | 1980 | 1983 | 1977 | 1979 | 1981 | 1977 | 1980 |
| Lowest Mean Max. Temperature (F) | 51.2 | 60.0 | 67.8 | 73.2 | 83.4 | 92.0 | 89.5 | 88.1 | 81.8 | 73.9 | 60.8 | 53.5 | 51.2 |
| Year Lowest Occurred | 1992 | 1973 | 1973 | 1983 | 1992 | 1986 | 1991 | 1990 | 1991 | 1976 | 1976 | 1997 | 1992 |
| Mean Temperature (F) | 43.3 | 49.1 | 55.2 | 62.5 | 70.4 | 78.6 | 80.2 | 78.1 | 72.9 | 62.5 | 50.2 | 43.3 | 62.2 |
| Highest Mean Temperature (F) | 47.7 | 53.8 | 59.7 | 66.9 | 76.6 | 83.6 | 84.5 | 81.4 | 77.2 | 65.5 | 54.5 | 47.9 | 84.5 |
| Year Highest Occurred | 2000 | 1996 | 1972 | 1989 | 1996 | 1994 | 1980 | 1977 | 1977 | 1983 | 1998 | 1977 | 1980 |
| Lowest Mean Temperature (F) | 39.4 | 45.6 | 50.4 | 56.4 | 67.1 | 76.0 | 76.8 | 74.2 | 67.8 | 56.4 | 44.3 | 39.7 | 39.4 |
| Year Lowest Occurred | 1979 | 1974 | 1977 | 1973 | 1975 | 1973 | 1975 | 1971 | 1974 | 1976 | 1976 | 1974 | 1979 |
| Mean Min. Temperature (F) | 27.0 | 31.9 | 37.3 | 43.9 | 51.7 | 60.7 | 65.1 | 63.7 | 57.7 | 45.0 | 32.6 | 26.9 | 45.3 |
| Highest Mean Min. Temperature (F) | 34.8 | 38.4 | 42.4 | 48.2 | 57.0 | 66.6 | 68.9 | 66.6 | 63.2 | 50.5 | 38.9 | 32.1 | 68.9 |
| Year Highest Occurred | 1993 | 1995 | 1995 | 2000 | 2000 | 1994 | 1996 | 1994 | 1997 | 1998 | 1978 | 1984 | 1996 |
| Lowest Mean Min. Temperature (F) | 22.8 | 25.9 | 31.9 | 38.2 | 46.7 | 55.5 | 61.8 | 60.1 | 53.6 | 39.0 | 26.1 | 21.7 | 21.7 |
| Year Lowest Occurred | 1987 | 1974 | 1977 | 1973 | 1983 | 1983 | 1975 | 1971 | 1975 | 1976 | 1979 | 1976 | 1976 |
| Mean Precipitation (in.) | 0.34 | 0.30 | 0.25 | 0.14 | 0.44 | 0.87 | 1.24 | 1.27 | 1.36 | 0.82 | 0.46 | 0.53 | 8.02 |
| Highest Precipitation (in.) | 1.52 | 1.24 | 1.28 | 0.67 | 2.69 | 4.60 | 4.43 | 4.59 | 4.78 | 3.07 | 1.57 | 2.76 | 4.78 |
| Year Highest Occurred | 1992 | 1995 | 1985 | 1983 | 1992 | 1986 | 1988 | 1991 | 1991 | 1984 | 1983 | 1991 | 1991 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.22 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 2000 | 1999 | 1996 | 1998 | 2000 | 1990 | 1980 | 1994 | 2000 | 1996 | 1999 | 1996 | 2000 |
| Heating Degree Days (F) | 675. | 447. | 309. | 129. | 25. | 0. | 0. | 0. | 8. | 119. | 444. | 675. | 2831. |
| Cooling Degree Days (F) | 0. | 0. | 5. | 52. | 192. | 407. | 470. | 404. | 246. | 42. | 1. | 0. | 1819. |