| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 38.0 | 45.2 | 54.9 | 63.4 | 73.6 | 84.8 | 90.0 | 87.0 | 78.9 | 65.7 | 49.7 | 39.5 | 64.2 |
| Highest Mean Max. Temperature (F) | 49.0 | 54.7 | 62.6 | 73.5 | 81.7 | 91.2 | 93.5 | 91.0 | 85.3 | 72.7 | 58.0 | 48.6 | 93.5 |
| Year Highest Occurred | 1999 | 1995 | 1972 | 2000 | 2000 | 1994 | 2000 | 1985 | 1979 | 1988 | 1995 | 1980 | 2000 |
| Lowest Mean Max. Temperature (F) | 26.2 | 35.8 | 46.6 | 54.0 | 67.7 | 79.2 | 86.8 | 83.1 | 74.1 | 59.0 | 42.6 | 30.5 | 26.2 |
| Year Lowest Occurred | 1979 | 1979 | 1973 | 1975 | 1980 | 1995 | 1987 | 1999 | 1986 | 1984 | 2000 | 1978 | 1979 |
| Mean Temperature (F) | 27.9 | 34.7 | 43.1 | 51.0 | 60.6 | 71.0 | 76.7 | 74.4 | 66.3 | 54.0 | 39.2 | 29.7 | 52.4 |
| Highest Mean Temperature (F) | 37.3 | 44.3 | 49.8 | 58.6 | 65.9 | 76.4 | 80.1 | 77.3 | 71.2 | 60.9 | 44.8 | 37.7 | 80.1 |
| Year Highest Occurred | 1999 | 1995 | 1972 | 1992 | 1984 | 1994 | 1996 | 1994 | 1979 | 1988 | 1999 | 1980 | 1996 |
| Lowest Mean Temperature (F) | 17.8 | 26.2 | 36.7 | 42.4 | 55.9 | 65.9 | 73.8 | 71.2 | 62.1 | 47.6 | 33.5 | 21.5 | 17.8 |
| Year Lowest Occurred | 1973 | 1979 | 1973 | 1975 | 1980 | 1995 | 1983 | 1999 | 1986 | 1984 | 2000 | 1978 | 1973 |
| Mean Min. Temperature (F) | 17.8 | 24.1 | 31.3 | 38.5 | 47.5 | 57.1 | 63.4 | 61.8 | 53.6 | 42.3 | 28.7 | 19.9 | 40.5 |
| Highest Mean Min. Temperature (F) | 25.5 | 33.8 | 37.5 | 46.0 | 52.5 | 61.9 | 66.9 | 64.5 | 57.5 | 49.0 | 33.6 | 26.9 | 66.9 |
| Year Highest Occurred | 1999 | 1995 | 1986 | 1992 | 1984 | 1986 | 1996 | 1994 | 1990 | 1988 | 1999 | 1980 | 1996 |
| Lowest Mean Min. Temperature (F) | 9.2 | 15.5 | 23.7 | 30.9 | 42.8 | 52.5 | 60.5 | 58.1 | 49.0 | 36.1 | 22.8 | 11.6 | 9.2 |
| Year Lowest Occurred | 1973 | 1974 | 1977 | 1975 | 1971 | 1995 | 1983 | 1980 | 1985 | 1982 | 1979 | 1990 | 1973 |
| Mean Precipitation (in.) | 0.52 | 0.38 | 0.64 | 0.52 | 0.64 | 0.37 | 0.95 | 1.19 | 0.83 | 0.76 | 0.61 | 0.27 | 7.68 |
| Highest Precipitation (in.) | 2.32 | 2.13 | 2.25 | 2.07 | 2.08 | 1.52 | 2.81 | 3.28 | 3.21 | 2.94 | 2.84 | 1.42 | 3.28 |
| Year Highest Occurred | 1993 | 1993 | 1981 | 1997 | 1992 | 1984 | 1985 | 1982 | 1997 | 2000 | 1978 | 1986 | 1982 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.09 | 0.09 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1998 | 1997 | 1999 | 2000 | 1974 | 1978 | 1979 | 1978 | 1979 | 1999 | 1999 | 1989 | 1998 |
| Heating Degree Days (F) | 1150. | 850. | 680. | 433. | 183. | 30. | 0. | 1. | 55. | 354. | 774. | 1094. | 5604. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 12. | 46. | 209. | 364. | 292. | 92. | 13. | 0. | 0. | 1028. |