| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 45.9 | 51.7 | 58.4 | 67.0 | 76.4 | 87.7 | 91.2 | 88.7 | 81.8 | 69.8 | 56.4 | 47.0 | 68.5 |
| Highest Mean Max. Temperature (F) | 55.8 | 59.5 | 66.3 | 75.3 | 82.7 | 93.4 | 95.4 | 92.5 | 87.0 | 75.4 | 67.9 | 53.4 | 95.4 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 1989 | 2000 | 1974 | 1971 | 1994 | 1979 | 1988 | 1999 | 1980 | 1971 |
| Lowest Mean Max. Temperature (F) | 37.0 | 45.6 | 48.6 | 58.9 | 70.9 | 84.0 | 87.5 | 85.8 | 77.5 | 60.2 | 49.8 | 37.9 | 37.0 |
| Year Lowest Occurred | 1977 | 1998 | 1973 | 1983 | 1995 | 1992 | 1992 | 1999 | 1996 | 1984 | 2000 | 1978 | 1977 |
| Mean Temperature (F) | 32.2 | 37.3 | 42.4 | 49.1 | 57.6 | 67.5 | 73.4 | 72.4 | 65.1 | 53.5 | 41.2 | 33.1 | 52.1 |
| Highest Mean Temperature (F) | 39.3 | 43.5 | 46.8 | 54.3 | 62.3 | 71.8 | 76.3 | 76.1 | 69.1 | 58.4 | 48.9 | 37.4 | 76.3 |
| Year Highest Occurred | 1986 | 1995 | 1989 | 1992 | 2000 | 1990 | 2000 | 1994 | 1998 | 1988 | 1999 | 1994 | 2000 |
| Lowest Mean Temperature (F) | 24.1 | 32.9 | 37.0 | 43.0 | 52.5 | 63.4 | 70.6 | 69.9 | 61.7 | 48.5 | 36.5 | 25.4 | 24.1 |
| Year Lowest Occurred | 1977 | 1979 | 1973 | 1975 | 1975 | 1982 | 1979 | 1980 | 1985 | 1984 | 1979 | 1978 | 1977 |
| Mean Min. Temperature (F) | 18.5 | 22.8 | 26.3 | 31.1 | 38.8 | 47.2 | 55.6 | 56.0 | 48.3 | 37.2 | 26.0 | 19.2 | 35.6 |
| Highest Mean Min. Temperature (F) | 27.6 | 28.8 | 31.6 | 36.7 | 45.8 | 52.4 | 59.8 | 59.8 | 54.1 | 43.2 | 31.7 | 25.1 | 59.8 |
| Year Highest Occurred | 1993 | 1986 | 1986 | 1990 | 1992 | 2000 | 2000 | 1995 | 1990 | 1972 | 1978 | 1984 | 2000 |
| Lowest Mean Min. Temperature (F) | 11.2 | 13.3 | 18.9 | 25.2 | 32.1 | 42.0 | 49.3 | 51.7 | 43.5 | 32.5 | 19.1 | 12.5 | 11.2 |
| Year Lowest Occurred | 1977 | 1984 | 1984 | 1972 | 1975 | 1975 | 1979 | 1980 | 1973 | 1980 | 1975 | 1990 | 1977 |
| Mean Precipitation (in.) | 0.98 | 1.01 | 1.03 | 0.55 | 0.70 | 0.30 | 1.36 | 1.93 | 1.10 | 1.26 | 1.08 | 0.83 | 12.13 |
| Highest Precipitation (in.) | 4.82 | 4.12 | 3.09 | 1.94 | 3.23 | 1.72 | 6.20 | 5.50 | 2.94 | 5.51 | 3.95 | 3.41 | 6.20 |
| Year Highest Occurred | 1993 | 1980 | 1973 | 1985 | 1992 | 1988 | 1998 | 1984 | 1982 | 1972 | 1993 | 1978 | 1998 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.21 | 0.10 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1999 | 2000 | 1999 | 2000 | 2000 | 1999 | 1993 | 1998 | 2000 | 1999 | 1999 | 1999 | 1999 |
| Heating Degree Days (F) | 1016. | 777. | 702. | 479. | 244. | 48. | 1. | 3. | 66. | 358. | 713. | 990. | 5397. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 1. | 14. | 120. | 262. | 230. | 67. | 2. | 0. | 0. | 696. |