| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 39.9 | 45.3 | 52.8 | 61.9 | 71.2 | 82.9 | 88.5 | 86.0 | 77.8 | 66.1 | 49.7 | 41.4 | 63.6 |
| Highest Mean Max. Temperature (F) | 52.8 | 56.7 | 61.2 | 68.8 | 79.1 | 89.1 | 93.4 | 94.4 | 86.2 | 71.2 | 63.9 | 49.4 | 94.4 |
| Year Highest Occurred | 1986 | 1999 | 1972 | 1981 | 1998 | 1996 | 2000 | 2000 | 1998 | 1975 | 1999 | 1980 | 2000 |
| Lowest Mean Max. Temperature (F) | 26.8 | 31.2 | 45.2 | 50.3 | 60.3 | 76.3 | 84.1 | 80.7 | 70.2 | 57.2 | 38.7 | 23.6 | 23.6 |
| Year Lowest Occurred | 1979 | 1978 | 1984 | 1984 | 1995 | 1982 | 1972 | 1979 | 1973 | 1984 | 1972 | 1983 | 1983 |
| Mean Temperature (F) | 27.4 | 32.1 | 38.6 | 47.7 | 57.6 | 68.9 | 74.0 | 72.1 | 63.4 | 51.3 | 36.9 | 29.0 | 49.9 |
| Highest Mean Temperature (F) | 38.1 | 40.2 | 44.6 | 54.0 | 63.3 | 75.9 | 77.5 | 77.2 | 70.0 | 54.2 | 47.5 | 35.4 | 77.5 |
| Year Highest Occurred | 1986 | 1991 | 1986 | 1981 | 1998 | 1996 | 1980 | 2000 | 1998 | 1973 | 1999 | 1994 | 1980 |
| Lowest Mean Temperature (F) | 13.0 | 21.8 | 32.2 | 38.9 | 50.6 | 63.2 | 70.2 | 67.9 | 58.9 | 46.4 | 29.4 | 13.6 | 13.0 |
| Year Lowest Occurred | 1979 | 1978 | 1980 | 1984 | 1995 | 1982 | 1971 | 1974 | 1973 | 1976 | 1985 | 1983 | 1979 |
| Mean Min. Temperature (F) | 14.8 | 18.8 | 24.4 | 33.4 | 44.0 | 54.8 | 59.5 | 58.2 | 49.0 | 36.4 | 24.1 | 16.6 | 36.2 |
| Highest Mean Min. Temperature (F) | 23.3 | 27.9 | 30.2 | 39.1 | 50.2 | 62.6 | 62.5 | 61.5 | 53.8 | 38.8 | 31.1 | 24.2 | 62.6 |
| Year Highest Occurred | 1986 | 1992 | 1986 | 1981 | 1996 | 1996 | 1998 | 1983 | 1990 | 1979 | 1999 | 1994 | 1996 |
| Lowest Mean Min. Temperature (F) | -0.9 | 9.4 | 18.4 | 27.4 | 39.3 | 49.9 | 54.8 | 54.1 | 43.4 | 31.7 | 19.2 | 3.6 | -0.9 |
| Year Lowest Occurred | 1979 | 1989 | 1996 | 1984 | 1983 | 1998 | 1971 | 1978 | 1974 | 1976 | 1985 | 1983 | 1979 |
| Mean Precipitation (in.) | 0.33 | 0.42 | 1.05 | 1.35 | 2.88 | 2.50 | 2.77 | 2.28 | 1.04 | 0.94 | 0.58 | 0.34 | 16.48 |
| Highest Precipitation (in.) | 1.01 | 1.13 | 4.90 | 4.30 | 5.90 | 5.17 | 6.76 | 6.44 | 3.32 | 3.44 | 1.59 | 1.32 | 6.76 |
| Year Highest Occurred | 1990 | 1987 | 1981 | 1999 | 1995 | 1982 | 1998 | 1999 | 1973 | 1997 | 1972 | 1982 | 1998 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.04 | 0.37 | 0.32 | 0.50 | 0.45 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1986 | 1999 | 1997 | 1992 | 1992 | 1976 | 1975 | 1973 | 1974 | 1988 | 1994 | 1995 | 1986 |
| Heating Degree Days (F) | 1168. | 923. | 819. | 523. | 258. | 48. | 1. | 14. | 119. | 427. | 844. | 1117. | 6261. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 2. | 28. | 164. | 280. | 234. | 71. | 0. | 0. | 0. | 779. |