| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 36.9 | 40.7 | 46.9 | 54.9 | 64.5 | 75.8 | 84.5 | 82.6 | 73.5 | 61.3 | 46.0 | 38.1 | 58.8 |
| Highest Mean Max. Temperature (F) | 43.8 | 52.1 | 55.7 | 65.3 | 71.9 | 81.6 | 88.4 | 86.7 | 79.9 | 69.3 | 56.3 | 46.6 | 88.4 |
| Year Highest Occurred | 1981 | 1995 | 1972 | 1989 | 1992 | 1987 | 1981 | 1981 | 1979 | 1988 | 1995 | 1980 | 1981 |
| Lowest Mean Max. Temperature (F) | 29.6 | 33.0 | 38.2 | 42.5 | 55.7 | 68.0 | 80.3 | 76.4 | 65.9 | 53.7 | 36.6 | 31.2 | 29.6 |
| Year Lowest Occurred | 1979 | 1993 | 1973 | 1975 | 1977 | 1995 | 1993 | 1976 | 1986 | 1984 | 1994 | 1971 | 1979 |
| Mean Temperature (F) | 26.6 | 30.0 | 35.5 | 41.9 | 50.5 | 60.2 | 68.5 | 67.1 | 58.6 | 47.5 | 34.7 | 27.4 | 45.7 |
| Highest Mean Temperature (F) | 34.3 | 39.6 | 42.4 | 49.3 | 57.0 | 64.9 | 71.3 | 71.1 | 63.8 | 54.3 | 43.8 | 34.1 | 71.3 |
| Year Highest Occurred | 1986 | 1995 | 1986 | 1992 | 1992 | 1986 | 1994 | 1971 | 1979 | 1988 | 1999 | 1980 | 1994 |
| Lowest Mean Temperature (F) | 20.1 | 23.3 | 28.0 | 31.5 | 44.3 | 54.8 | 63.2 | 61.5 | 51.5 | 41.3 | 26.7 | 20.2 | 20.1 |
| Year Lowest Occurred | 1979 | 1989 | 1977 | 1975 | 1977 | 1995 | 1993 | 1976 | 1986 | 1984 | 1994 | 1990 | 1979 |
| Mean Min. Temperature (F) | 16.3 | 19.3 | 24.0 | 28.8 | 36.5 | 44.6 | 52.4 | 51.6 | 43.7 | 33.6 | 23.4 | 16.7 | 32.6 |
| Highest Mean Min. Temperature (F) | 25.5 | 27.0 | 31.2 | 34.5 | 42.0 | 48.9 | 55.3 | 56.8 | 49.5 | 39.3 | 31.3 | 22.8 | 56.8 |
| Year Highest Occurred | 1986 | 1995 | 1986 | 1992 | 1992 | 1986 | 1994 | 1971 | 1984 | 1988 | 1999 | 1995 | 1971 |
| Lowest Mean Min. Temperature (F) | 8.8 | 11.4 | 15.4 | 20.6 | 31.2 | 40.7 | 46.1 | 46.6 | 37.1 | 28.9 | 16.1 | 8.6 | 8.6 |
| Year Lowest Occurred | 1989 | 1989 | 1977 | 1975 | 1998 | 1993 | 1993 | 1976 | 1986 | 1984 | 2000 | 1990 | 1990 |
| Mean Precipitation (in.) | 1.00 | 0.91 | 1.45 | 1.16 | 1.54 | 0.74 | 0.55 | 0.83 | 1.00 | 1.05 | 0.95 | 0.88 | 12.06 |
| Highest Precipitation (in.) | 2.59 | 2.91 | 3.88 | 3.68 | 4.63 | 1.83 | 2.41 | 4.42 | 4.19 | 3.25 | 3.56 | 3.65 | 4.63 |
| Year Highest Occurred | 1989 | 1994 | 1987 | 1978 | 1980 | 1997 | 1984 | 1983 | 1982 | 1975 | 1987 | 1983 | 1980 |
| Lowest Precipitation (in.) | 0.00 | 0.03 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 | 0.00 |
| Year Lowest Occurred | 1998 | 1999 | 1999 | 1992 | 1999 | 1996 | 1999 | 1996 | 1989 | 1995 | 1993 | 1999 | 1998 |
| Heating Degree Days (F) | 1191. | 980. | 917. | 694. | 454. | 183. | 22. | 46. | 214. | 546. | 908. | 1167. | 7322. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 4. | 38. | 130. | 110. | 22. | 1. | 0. | 0. | 305. |