| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 39.5 | 46.6 | 54.2 | 62.5 | 71.1 | 81.3 | 85.1 | 83.0 | 76.4 | 65.6 | 50.8 | 41.4 | 63.1 |
| Highest Mean Max. Temperature (F) | 50.0 | 54.2 | 64.0 | 69.8 | 78.9 | 87.2 | 88.6 | 87.6 | 81.1 | 72.1 | 61.5 | 49.2 | 88.6 |
| Year Highest Occurred | 1981 | 1995 | 1972 | 1989 | 2000 | 1990 | 2000 | 2000 | 1979 | 1988 | 1999 | 1980 | 2000 |
| Lowest Mean Max. Temperature (F) | 30.1 | 41.4 | 45.8 | 54.2 | 64.1 | 76.9 | 81.0 | 80.0 | 68.6 | 54.0 | 43.8 | 33.1 | 30.1 |
| Year Lowest Occurred | 1979 | 1979 | 1980 | 1983 | 1980 | 1983 | 1992 | 1974 | 1986 | 1984 | 1979 | 1978 | 1979 |
| Mean Temperature (F) | 25.8 | 32.0 | 38.9 | 46.1 | 53.8 | 62.3 | 67.9 | 66.4 | 59.0 | 48.4 | 36.1 | 27.4 | 47.0 |
| Highest Mean Temperature (F) | 33.6 | 39.1 | 43.8 | 51.4 | 59.2 | 66.3 | 70.1 | 69.3 | 63.0 | 53.0 | 42.0 | 34.8 | 70.1 |
| Year Highest Occurred | 1986 | 1995 | 1989 | 2000 | 2000 | 1994 | 1989 | 2000 | 1998 | 1988 | 1999 | 1980 | 1989 |
| Lowest Mean Temperature (F) | 17.6 | 24.9 | 33.4 | 40.4 | 50.0 | 59.4 | 65.1 | 62.1 | 54.1 | 42.3 | 30.1 | 20.4 | 17.6 |
| Year Lowest Occurred | 1979 | 1974 | 1980 | 1983 | 1980 | 1983 | 1992 | 1974 | 1973 | 1984 | 1979 | 1978 | 1979 |
| Mean Min. Temperature (F) | 12.1 | 17.4 | 23.6 | 29.7 | 36.5 | 43.3 | 50.7 | 49.7 | 41.6 | 31.2 | 21.3 | 13.4 | 30.9 |
| Highest Mean Min. Temperature (F) | 18.9 | 24.0 | 28.8 | 34.1 | 39.9 | 47.7 | 54.1 | 53.5 | 45.9 | 36.9 | 26.6 | 20.4 | 54.1 |
| Year Highest Occurred | 1980 | 1995 | 1978 | 1992 | 1992 | 1977 | 1977 | 1983 | 1997 | 1972 | 1978 | 1980 | 1977 |
| Lowest Mean Min. Temperature (F) | 5.1 | 6.8 | 19.3 | 23.9 | 31.6 | 40.0 | 47.3 | 44.2 | 34.0 | 27.0 | 16.4 | 6.3 | 5.1 |
| Year Lowest Occurred | 1979 | 1974 | 1971 | 1973 | 1971 | 1971 | 1987 | 1974 | 1973 | 1973 | 1979 | 1990 | 1979 |
| Mean Precipitation (in.) | 1.65 | 1.44 | 1.71 | 1.30 | 1.17 | 0.61 | 1.64 | 2.58 | 1.94 | 2.10 | 1.82 | 1.37 | 19.33 |
| Highest Precipitation (in.) | 6.94 | 4.80 | 3.72 | 3.15 | 2.99 | 2.03 | 5.36 | 4.50 | 5.10 | 11.79 | 4.55 | 4.23 | 11.79 |
| Year Highest Occurred | 1980 | 1980 | 1979 | 1999 | 1978 | 1988 | 1981 | 1999 | 1990 | 1972 | 1982 | 1978 | 1972 |
| Lowest Precipitation (in.) | 0.08 | 0.00 | 0.07 | 0.00 | 0.00 | 0.00 | 0.29 | 0.24 | 0.17 | 0.25 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1986 | 1972 | 1971 | 1989 | 1974 | 1980 | 1993 | 1985 | 1979 | 1999 | 1989 | 1989 | 1972 |
| Heating Degree Days (F) | 1216. | 923. | 810. | 567. | 349. | 114. | 14. | 40. | 197. | 514. | 869. | 1166. | 6779. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 2. | 34. | 103. | 82. | 17. | 0. | 0. | 0. | 238. |