| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 41.8 | 48.4 | 56.9 | 65.4 | 74.5 | 85.7 | 92.1 | 89.2 | 80.4 | 67.3 | 52.3 | 43.0 | 66.4 |
| Highest Mean Max. Temperature (F) | 49.1 | 57.6 | 64.4 | 73.8 | 79.9 | 91.0 | 96.5 | 94.5 | 87.4 | 75.5 | 61.6 | 53.4 | 96.5 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 1992 | 2000 | 1977 | 1978 | 1981 | 1979 | 1988 | 1999 | 1981 | 1978 |
| Lowest Mean Max. Temperature (F) | 32.9 | 39.8 | 47.2 | 55.1 | 66.1 | 79.0 | 88.1 | 84.4 | 74.4 | 60.2 | 43.7 | 31.7 | 31.7 |
| Year Lowest Occurred | 1979 | 1989 | 1973 | 1975 | 1977 | 1995 | 1973 | 1972 | 1986 | 1984 | 1994 | 1972 | 1972 |
| Mean Temperature (F) | 28.8 | 34.9 | 41.9 | 48.9 | 57.1 | 67.0 | 74.2 | 72.2 | 62.9 | 50.9 | 38.5 | 29.5 | 50.6 |
| Highest Mean Temperature (F) | 36.3 | 42.0 | 47.1 | 56.0 | 62.1 | 71.5 | 77.4 | 75.4 | 67.2 | 57.7 | 45.6 | 37.7 | 77.4 |
| Year Highest Occurred | 2000 | 1995 | 1986 | 1992 | 2000 | 1986 | 1994 | 1994 | 1990 | 1988 | 1999 | 1981 | 1994 |
| Lowest Mean Temperature (F) | 20.7 | 26.3 | 34.9 | 40.9 | 51.2 | 61.8 | 70.3 | 68.7 | 58.1 | 46.1 | 31.9 | 20.0 | 20.0 |
| Year Lowest Occurred | 1979 | 1989 | 1976 | 1975 | 1977 | 1995 | 1993 | 1976 | 1986 | 1971 | 1994 | 1972 | 1972 |
| Mean Min. Temperature (F) | 15.7 | 21.4 | 26.9 | 32.3 | 39.7 | 48.2 | 56.2 | 55.2 | 45.4 | 34.4 | 24.7 | 16.0 | 34.7 |
| Highest Mean Min. Temperature (F) | 24.7 | 29.1 | 31.6 | 38.1 | 44.8 | 53.3 | 60.1 | 59.3 | 51.0 | 39.9 | 29.6 | 22.3 | 60.1 |
| Year Highest Occurred | 2000 | 2000 | 1986 | 1992 | 1992 | 1986 | 1994 | 2000 | 1990 | 1988 | 1999 | 1977 | 1994 |
| Lowest Mean Min. Temperature (F) | 8.2 | 12.7 | 18.7 | 26.6 | 33.6 | 43.5 | 52.0 | 49.9 | 41.3 | 30.1 | 18.8 | 6.0 | 6.0 |
| Year Lowest Occurred | 1989 | 1989 | 1976 | 1975 | 1975 | 1982 | 1993 | 1974 | 1971 | 1980 | 1979 | 1990 | 1990 |
| Mean Precipitation (in.) | 0.39 | 0.58 | 0.85 | 0.76 | 0.78 | 0.36 | 0.63 | 0.85 | 0.77 | 0.95 | 0.51 | 0.27 | 7.70 |
| Highest Precipitation (in.) | 1.57 | 1.90 | 2.39 | 2.12 | 3.34 | 2.11 | 2.06 | 2.18 | 4.33 | 2.76 | 1.65 | 0.91 | 4.33 |
| Year Highest Occurred | 1980 | 1980 | 1980 | 1978 | 1980 | 1990 | 1985 | 1983 | 1982 | 1981 | 1978 | 1983 | 1982 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1989 | 1984 | 1988 | 1979 | 1974 | 1979 | 1988 | 1985 | 1979 | 1977 | 1979 | 1989 | 1989 |
| Heating Degree Days (F) | 1124. | 843. | 717. | 487. | 267. | 68. | 2. | 6. | 119. | 440. | 794. | 1100. | 5967. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 3. | 21. | 127. | 286. | 229. | 57. | 1. | 0. | 0. | 724. |