| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 37.1 | 44.5 | 53.7 | 62.4 | 73.4 | 86.0 | 92.0 | 89.3 | 80.0 | 66.2 | 48.8 | 39.2 | 64.4 |
| Highest Mean Max. Temperature (F) | 47.2 | 53.3 | 62.8 | 69.9 | 79.6 | 91.2 | 95.6 | 93.7 | 85.4 | 72.8 | 57.8 | 49.6 | 95.6 |
| Year Highest Occurred | 1981 | 1995 | 1972 | 1992 | 1974 | 1994 | 1994 | 1996 | 1979 | 1988 | 1999 | 1980 | 1994 |
| Lowest Mean Max. Temperature (F) | 27.0 | 37.1 | 47.7 | 56.0 | 64.1 | 81.0 | 88.2 | 84.8 | 73.5 | 57.1 | 41.9 | 30.1 | 27.0 |
| Year Lowest Occurred | 1979 | 1974 | 1976 | 1975 | 1995 | 1983 | 1986 | 1999 | 1986 | 1984 | 2000 | 1978 | 1979 |
| Mean Temperature (F) | 27.1 | 33.7 | 41.8 | 49.4 | 59.8 | 71.0 | 77.0 | 74.6 | 65.7 | 53.1 | 38.0 | 29.3 | 51.7 |
| Highest Mean Temperature (F) | 36.8 | 42.5 | 49.1 | 56.1 | 65.9 | 77.3 | 80.8 | 78.0 | 70.9 | 59.1 | 43.0 | 39.9 | 80.8 |
| Year Highest Occurred | 1981 | 1995 | 1972 | 1989 | 1974 | 1994 | 2000 | 1995 | 1979 | 1988 | 1999 | 1980 | 2000 |
| Lowest Mean Temperature (F) | 17.9 | 25.1 | 35.4 | 43.4 | 53.1 | 66.0 | 72.4 | 70.0 | 60.4 | 46.2 | 32.6 | 21.0 | 17.9 |
| Year Lowest Occurred | 1973 | 1974 | 1977 | 1983 | 1995 | 1983 | 1992 | 1997 | 1986 | 1984 | 2000 | 1978 | 1973 |
| Mean Min. Temperature (F) | 17.1 | 22.8 | 29.8 | 36.4 | 46.1 | 55.9 | 62.0 | 59.8 | 51.3 | 40.0 | 27.2 | 19.4 | 39.0 |
| Highest Mean Min. Temperature (F) | 26.4 | 31.6 | 35.9 | 43.3 | 53.1 | 63.3 | 67.3 | 64.6 | 56.7 | 45.6 | 31.7 | 30.3 | 67.3 |
| Year Highest Occurred | 1981 | 1995 | 1994 | 1989 | 1994 | 1994 | 1971 | 1971 | 1977 | 1974 | 1981 | 1980 | 1971 |
| Lowest Mean Min. Temperature (F) | 6.7 | 13.2 | 22.4 | 29.8 | 40.3 | 49.9 | 55.6 | 53.5 | 45.5 | 30.7 | 20.7 | 10.5 | 6.7 |
| Year Lowest Occurred | 1973 | 1974 | 1977 | 1997 | 1983 | 1995 | 1992 | 1997 | 1996 | 1995 | 1997 | 1990 | 1973 |
| Mean Precipitation (in.) | 0.71 | 0.67 | 1.14 | 0.93 | 1.21 | 0.68 | 0.86 | 1.02 | 0.93 | 1.29 | 0.95 | 0.78 | 11.17 |
| Highest Precipitation (in.) | 1.71 | 1.65 | 2.56 | 2.39 | 4.07 | 2.99 | 2.38 | 2.57 | 3.23 | 3.56 | 2.15 | 2.38 | 4.07 |
| Year Highest Occurred | 1974 | 1989 | 1975 | 1997 | 1993 | 1984 | 1985 | 1988 | 1997 | 1972 | 1996 | 1978 | 1993 |
| Lowest Precipitation (in.) | 0.06 | 0.00 | 0.00 | 0.08 | 0.00 | 0.00 | 0.00 | 0.00 | 0.06 | 0.02 | 0.09 | 0.00 | 0.00 |
| Year Lowest Occurred | 1976 | 1973 | 1997 | 1992 | 1974 | 1980 | 1994 | 1985 | 1979 | 1978 | 1976 | 1976 | 1973 |
| Heating Degree Days (F) | 1175. | 877. | 722. | 471. | 208. | 37. | 1. | 4. | 81. | 381. | 810. | 1106. | 5873. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 3. | 45. | 215. | 373. | 299. | 100. | 11. | 0. | 0. | 1046. |