| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 42.5 | 44.1 | 46.7 | 51.9 | 60.1 | 67.5 | 75.5 | 75.7 | 70.3 | 59.3 | 45.7 | 42.0 | 56.8 |
| Highest Mean Max. Temperature (F) | 48.9 | 52.2 | 54.7 | 60.8 | 71.6 | 74.0 | 81.5 | 81.4 | 79.9 | 73.0 | 57.1 | 50.9 | 81.5 |
| Year Highest Occurred | 1981 | 1988 | 1992 | 1987 | 1992 | 1987 | 1972 | 1986 | 1974 | 1987 | 1976 | 1980 | 1972 |
| Lowest Mean Max. Temperature (F) | 36.5 | 38.0 | 40.2 | 43.9 | 51.7 | 61.6 | 67.0 | 69.9 | 61.5 | 51.9 | 36.4 | 35.2 | 35.2 |
| Year Lowest Occurred | 1974 | 1989 | 1971 | 1975 | 1998 | 1980 | 1993 | 1976 | 1986 | 1984 | 1994 | 1971 | 1971 |
| Mean Temperature (F) | 37.5 | 38.6 | 39.6 | 43.4 | 49.9 | 56.5 | 63.7 | 64.2 | 60.1 | 51.3 | 40.5 | 37.3 | 48.6 |
| Highest Mean Temperature (F) | 43.3 | 45.6 | 47.4 | 50.3 | 58.3 | 61.5 | 68.7 | 70.0 | 68.3 | 60.8 | 50.4 | 45.1 | 70.0 |
| Year Highest Occurred | 1981 | 1991 | 1992 | 1987 | 1992 | 1987 | 1972 | 1977 | 1974 | 1988 | 1976 | 1989 | 1977 |
| Lowest Mean Temperature (F) | 31.0 | 31.3 | 34.4 | 36.4 | 44.6 | 51.5 | 56.5 | 60.0 | 52.6 | 45.1 | 33.1 | 30.4 | 30.4 |
| Year Lowest Occurred | 1974 | 1989 | 1971 | 1975 | 1977 | 1980 | 1993 | 1989 | 1986 | 1984 | 1985 | 1971 | 1971 |
| Mean Min. Temperature (F) | 32.5 | 33.0 | 32.5 | 34.9 | 39.6 | 45.4 | 51.8 | 52.7 | 49.8 | 43.3 | 35.2 | 32.5 | 40.3 |
| Highest Mean Min. Temperature (F) | 37.7 | 39.1 | 40.0 | 40.5 | 44.9 | 50.2 | 56.1 | 59.0 | 56.8 | 51.0 | 43.7 | 39.4 | 59.0 |
| Year Highest Occurred | 1981 | 1992 | 1992 | 1992 | 1992 | 1992 | 1985 | 1977 | 1974 | 1988 | 1976 | 1985 | 1977 |
| Lowest Mean Min. Temperature (F) | 25.5 | 24.6 | 28.0 | 28.9 | 35.2 | 41.3 | 46.0 | 49.1 | 43.7 | 38.2 | 27.7 | 25.1 | 24.6 |
| Year Lowest Occurred | 1974 | 1989 | 1976 | 1975 | 1977 | 1980 | 1993 | 1980 | 1986 | 1984 | 1985 | 1972 | 1989 |
| Mean Precipitation (in.) | 4.71 | 4.29 | 3.92 | 2.38 | 1.35 | 0.94 | 0.35 | 0.61 | 1.20 | 2.93 | 5.32 | 5.18 | 33.18 |
| Highest Precipitation (in.) | 17.33 | 8.49 | 7.36 | 4.30 | 4.06 | 2.80 | 1.81 | 4.23 | 4.26 | 6.59 | 24.09 | 11.79 | 24.09 |
| Year Highest Occurred | 1974 | 1983 | 1971 | 2000 | 1977 | 1978 | 1983 | 1976 | 1977 | 1979 | 1973 | 1996 | 1973 |
| Lowest Precipitation (in.) | 0.18 | 0.28 | 1.43 | 0.73 | 0.11 | 0.10 | 0.00 | 0.00 | 0.00 | 0.01 | 0.74 | 0.49 | 0.00 |
| Year Lowest Occurred | 1984 | 1988 | 2000 | 1985 | 1982 | 1999 | 1988 | 1992 | 1999 | 1988 | 1976 | 1976 | 1988 |
| Heating Degree Days (F) | 853. | 741. | 772. | 648. | 470. | 267. | 127. | 101. | 211. | 440. | 737. | 860. | 6227. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 11. | 84. | 76. | 62. | 15. | 0. | 0. | 248. |