| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 60.1 | 65.6 | 73.4 | 81.4 | 88.6 | 94.0 | 95.3 | 94.1 | 87.9 | 79.4 | 68.4 | 60.6 | 79.1 |
| Highest Mean Max. Temperature (F) | 66.6 | 76.2 | 84.9 | 88.5 | 95.2 | 101.0 | 100.4 | 100.1 | 97.6 | 88.4 | 75.6 | 70.9 | 101.0 |
| Year Highest Occurred | 1999 | 1976 | 1974 | 1978 | 1998 | 1980 | 1980 | 1977 | 1977 | 1979 | 1981 | 1977 | 1980 |
| Lowest Mean Max. Temperature (F) | 53.3 | 56.9 | 64.8 | 73.8 | 81.8 | 87.6 | 88.0 | 88.2 | 80.9 | 73.4 | 60.5 | 53.9 | 53.3 |
| Year Lowest Occurred | 1973 | 1997 | 1987 | 1997 | 1992 | 1987 | 1990 | 1971 | 1991 | 1986 | 2000 | 1986 | 1973 |
| Mean Temperature (F) | 45.4 | 50.4 | 58.2 | 66.8 | 75.1 | 81.6 | 83.6 | 82.3 | 75.7 | 66.3 | 54.4 | 46.1 | 65.5 |
| Highest Mean Temperature (F) | 49.9 | 57.4 | 66.8 | 72.6 | 81.7 | 87.3 | 87.7 | 87.0 | 83.7 | 70.7 | 58.5 | 52.3 | 87.7 |
| Year Highest Occurred | 2000 | 1976 | 1974 | 1978 | 1996 | 1980 | 1980 | 1977 | 1977 | 1979 | 1999 | 1977 | 1980 |
| Lowest Mean Temperature (F) | 40.6 | 45.3 | 51.2 | 60.7 | 70.5 | 77.6 | 78.5 | 76.3 | 69.3 | 60.7 | 48.8 | 40.4 | 40.4 |
| Year Lowest Occurred | 1985 | 1989 | 1987 | 1997 | 1976 | 1987 | 1976 | 1971 | 1974 | 1976 | 1976 | 1983 | 1983 |
| Mean Min. Temperature (F) | 30.6 | 35.2 | 43.0 | 52.2 | 61.5 | 69.1 | 71.9 | 70.4 | 63.5 | 53.2 | 40.4 | 31.6 | 51.9 |
| Highest Mean Min. Temperature (F) | 34.7 | 41.1 | 48.6 | 58.1 | 68.3 | 74.8 | 75.7 | 73.9 | 69.8 | 59.4 | 45.2 | 38.5 | 75.7 |
| Year Highest Occurred | 1980 | 2000 | 1974 | 1986 | 1996 | 1990 | 1998 | 1977 | 1977 | 1998 | 1998 | 1971 | 1998 |
| Lowest Mean Min. Temperature (F) | 25.6 | 30.0 | 36.5 | 46.2 | 55.3 | 66.2 | 65.7 | 64.4 | 57.2 | 45.7 | 34.2 | 24.7 | 24.7 |
| Year Lowest Occurred | 1985 | 1978 | 1996 | 1973 | 1976 | 1979 | 1975 | 1971 | 1974 | 1976 | 1976 | 1983 | 1983 |
| Mean Precipitation (in.) | 0.57 | 0.59 | 0.34 | 0.84 | 1.86 | 1.71 | 1.48 | 2.02 | 2.95 | 1.64 | 0.68 | 0.70 | 15.38 |
| Highest Precipitation (in.) | 2.15 | 2.60 | 1.41 | 3.63 | 4.95 | 5.93 | 5.88 | 10.00 | 16.10 | 7.63 | 5.30 | 3.69 | 16.10 |
| Year Highest Occurred | 1991 | 1997 | 1999 | 1981 | 1992 | 1986 | 1976 | 1986 | 1980 | 1986 | 1996 | 1991 | 1980 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.05 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1996 | 2000 | 1991 | 1998 | 1996 | 1998 | 1995 | 1973 | 1983 | 1997 | 1999 | 1996 | 1996 |
| Heating Degree Days (F) | 609. | 410. | 236. | 64. | 12. | 0. | 0. | 0. | 6. | 61. | 329. | 585. | 2312. |
| Cooling Degree Days (F) | 0. | 1. | 25. | 117. | 324. | 497. | 577. | 535. | 327. | 100. | 10. | 0. | 2513. |