| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 36.1 | 41.7 | 48.7 | 56.7 | 65.9 | 75.5 | 84.9 | 83.7 | 75.0 | 62.6 | 44.9 | 36.2 | 59.3 |
| Highest Mean Max. Temperature (F) | 41.3 | 50.6 | 55.8 | 65.4 | 76.1 | 82.9 | 89.7 | 88.9 | 81.7 | 72.4 | 55.5 | 44.5 | 89.7 |
| Year Highest Occurred | 1994 | 1995 | 1994 | 1987 | 1992 | 1974 | 1994 | 1986 | 1990 | 1988 | 1976 | 1976 | 1994 |
| Lowest Mean Max. Temperature (F) | 27.6 | 31.5 | 42.8 | 45.8 | 57.3 | 70.1 | 75.8 | 74.4 | 65.0 | 52.7 | 35.7 | 29.4 | 27.6 |
| Year Lowest Occurred | 1979 | 1989 | 1975 | 1975 | 1977 | 1980 | 1993 | 1976 | 1985 | 1984 | 1985 | 1990 | 1979 |
| Mean Temperature (F) | 27.1 | 32.0 | 37.4 | 43.0 | 50.7 | 58.7 | 66.2 | 64.9 | 56.7 | 46.9 | 34.9 | 27.2 | 45.5 |
| Highest Mean Temperature (F) | 32.2 | 37.9 | 43.7 | 48.3 | 55.7 | 64.4 | 70.1 | 69.4 | 60.7 | 53.3 | 41.3 | 33.1 | 70.1 |
| Year Highest Occurred | 1983 | 1995 | 1978 | 1987 | 1973 | 1977 | 1985 | 1977 | 1979 | 1988 | 1976 | 1975 | 1985 |
| Lowest Mean Temperature (F) | 19.3 | 20.0 | 33.0 | 36.1 | 46.2 | 53.8 | 57.6 | 60.9 | 49.9 | 41.8 | 25.3 | 19.2 | 19.2 |
| Year Lowest Occurred | 1979 | 1989 | 1985 | 1975 | 1991 | 1991 | 1993 | 1993 | 1985 | 1984 | 1985 | 1985 | 1985 |
| Mean Min. Temperature (F) | 18.0 | 22.2 | 26.0 | 29.2 | 35.5 | 41.8 | 47.5 | 46.0 | 38.4 | 31.1 | 24.9 | 18.2 | 31.6 |
| Highest Mean Min. Temperature (F) | 25.4 | 29.8 | 32.2 | 33.2 | 40.5 | 48.1 | 53.8 | 52.7 | 43.8 | 37.8 | 29.7 | 26.2 | 53.8 |
| Year Highest Occurred | 1983 | 1980 | 1978 | 1980 | 1973 | 1977 | 1975 | 1977 | 1976 | 1979 | 1999 | 1973 | 1975 |
| Lowest Mean Min. Temperature (F) | 10.9 | 8.5 | 21.5 | 24.2 | 30.7 | 37.0 | 39.3 | 41.0 | 34.8 | 28.0 | 15.0 | 8.9 | 8.5 |
| Year Lowest Occurred | 1979 | 1989 | 1985 | 1999 | 1999 | 1991 | 1993 | 1995 | 1985 | 1998 | 1985 | 1985 | 1989 |
| Mean Precipitation (in.) | 0.83 | 0.80 | 0.89 | 0.63 | 1.13 | 0.59 | 0.50 | 0.51 | 0.52 | 0.71 | 1.23 | 1.09 | 9.43 |
| Highest Precipitation (in.) | 2.32 | 2.87 | 2.55 | 2.63 | 3.36 | 1.31 | 2.33 | 3.51 | 1.70 | 1.61 | 2.62 | 6.43 | 6.43 |
| Year Highest Occurred | 1979 | 1986 | 1984 | 1978 | 1998 | 1984 | 1983 | 1984 | 1982 | 1979 | 1981 | 1983 | 1983 |
| Lowest Precipitation (in.) | 0.00 | 0.11 | 0.00 | 0.00 | 0.10 | 0.00 | 0.00 | 0.00 | 0.00 | 0.02 | 0.10 | 0.07 | 0.00 |
| Year Lowest Occurred | 1985 | 1974 | 1977 | 1986 | 1975 | 1973 | 1986 | 1986 | 1999 | 1987 | 1974 | 1976 | 1985 |
| Heating Degree Days (F) | 1177. | 926. | 858. | 661. | 443. | 215. | 78. | 78. | 263. | 563. | 903. | 1171. | 7336. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 1. | 25. | 114. | 73. | 14. | 0. | 0. | 0. | 227. |