| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 36.5 | 42.1 | 51.9 | 62.1 | 71.8 | 82.0 | 89.4 | 88.3 | 79.4 | 67.2 | 49.8 | 38.5 | 63.3 |
| Highest Mean Max. Temperature (F) | 45.9 | 51.0 | 59.3 | 71.5 | 79.1 | 88.4 | 94.1 | 93.0 | 85.4 | 75.1 | 64.0 | 46.2 | 94.1 |
| Year Highest Occurred | 1981 | 1995 | 1992 | 1992 | 1992 | 1974 | 2000 | 2000 | 1979 | 1999 | 1999 | 1980 | 2000 |
| Lowest Mean Max. Temperature (F) | 25.4 | 32.5 | 45.2 | 54.1 | 63.8 | 74.6 | 84.9 | 85.3 | 71.6 | 56.9 | 41.4 | 30.5 | 25.4 |
| Year Lowest Occurred | 1984 | 1985 | 1980 | 1975 | 1995 | 1998 | 1986 | 1976 | 1986 | 1984 | 2000 | 1978 | 1984 |
| Mean Temperature (F) | 23.9 | 28.3 | 37.7 | 45.7 | 54.0 | 62.2 | 69.2 | 68.1 | 59.8 | 49.0 | 35.9 | 25.9 | 46.6 |
| Highest Mean Temperature (F) | 33.3 | 36.9 | 43.8 | 52.4 | 59.4 | 66.1 | 72.3 | 72.5 | 65.0 | 53.4 | 43.6 | 33.2 | 72.5 |
| Year Highest Occurred | 1981 | 2000 | 1986 | 1992 | 1992 | 1988 | 2000 | 2000 | 1990 | 1988 | 1999 | 1980 | 2000 |
| Lowest Mean Temperature (F) | 13.4 | 18.5 | 31.0 | 39.8 | 48.7 | 57.3 | 65.1 | 63.9 | 55.3 | 43.2 | 29.4 | 17.4 | 13.4 |
| Year Lowest Occurred | 1984 | 1985 | 1976 | 1975 | 1975 | 1998 | 1993 | 1975 | 1986 | 1984 | 2000 | 1990 | 1984 |
| Mean Min. Temperature (F) | 11.2 | 14.5 | 23.5 | 29.2 | 36.1 | 42.4 | 49.0 | 47.9 | 40.1 | 30.7 | 22.0 | 13.2 | 30.0 |
| Highest Mean Min. Temperature (F) | 21.4 | 25.0 | 29.1 | 33.8 | 40.0 | 45.7 | 52.6 | 53.1 | 45.1 | 35.6 | 26.6 | 21.3 | 53.1 |
| Year Highest Occurred | 2000 | 2000 | 1986 | 1989 | 2000 | 1988 | 1999 | 1983 | 1990 | 1972 | 1981 | 1981 | 1983 |
| Lowest Mean Min. Temperature (F) | 1.3 | 4.4 | 15.7 | 25.4 | 30.3 | 38.9 | 44.0 | 41.5 | 35.0 | 25.8 | 15.7 | 2.6 | 1.3 |
| Year Lowest Occurred | 1984 | 1985 | 1976 | 1975 | 1975 | 1976 | 1993 | 1974 | 1971 | 1976 | 1993 | 1990 | 1984 |
| Mean Precipitation (in.) | 1.86 | 1.71 | 1.47 | 1.28 | 1.48 | 0.84 | 0.83 | 0.97 | 1.27 | 1.62 | 1.50 | 1.39 | 16.22 |
| Highest Precipitation (in.) | 8.41 | 4.78 | 2.93 | 2.84 | 4.72 | 3.44 | 2.81 | 2.94 | 5.55 | 4.28 | 3.64 | 4.11 | 8.41 |
| Year Highest Occurred | 1980 | 1986 | 1995 | 1978 | 1995 | 1998 | 1985 | 1983 | 1982 | 1972 | 1985 | 1983 | 1980 |
| Lowest Precipitation (in.) | 0.16 | 0.28 | 0.25 | 0.20 | 0.01 | 0.02 | 0.00 | 0.06 | 0.03 | 0.04 | 0.00 | 0.04 | 0.00 |
| Year Lowest Occurred | 1992 | 1981 | 1971 | 1987 | 1974 | 1979 | 1978 | 1974 | 1974 | 1978 | 1976 | 1976 | 1978 |
| Heating Degree Days (F) | 1276. | 1027. | 846. | 579. | 347. | 129. | 13. | 31. | 180. | 497. | 873. | 1213. | 7011. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 4. | 45. | 144. | 128. | 23. | 0. | 0. | 0. | 344. |