| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 40.8 | 46.8 | 53.9 | 62.1 | 71.3 | 81.9 | 91.0 | 90.0 | 80.7 | 68.3 | 51.2 | 42.0 | 65.0 |
| Highest Mean Max. Temperature (F) | 48.9 | 58.3 | 60.5 | 71.4 | 84.6 | 89.2 | 96.4 | 95.8 | 86.8 | 78.6 | 61.4 | 49.2 | 96.4 |
| Year Highest Occurred | 1981 | 1995 | 1992 | 1992 | 1992 | 1974 | 1994 | 1981 | 1979 | 1988 | 1995 | 1980 | 1994 |
| Lowest Mean Max. Temperature (F) | 33.6 | 38.4 | 48.4 | 52.2 | 62.4 | 75.4 | 84.2 | 81.9 | 73.5 | 59.7 | 39.6 | 34.1 | 33.6 |
| Year Lowest Occurred | 1993 | 1989 | 1975 | 1975 | 1977 | 1998 | 1993 | 1976 | 1986 | 1984 | 1994 | 1990 | 1993 |
| Mean Temperature (F) | 28.8 | 33.9 | 39.6 | 45.5 | 53.2 | 61.6 | 68.8 | 67.7 | 59.2 | 49.1 | 37.1 | 29.3 | 47.8 |
| Highest Mean Temperature (F) | 35.8 | 42.4 | 44.5 | 52.6 | 61.5 | 67.0 | 74.3 | 71.5 | 63.8 | 56.8 | 44.5 | 35.9 | 74.3 |
| Year Highest Occurred | 1986 | 1995 | 1986 | 1992 | 1992 | 1977 | 1994 | 1971 | 1990 | 1988 | 1995 | 1981 | 1994 |
| Lowest Mean Temperature (F) | 21.5 | 26.1 | 34.5 | 38.0 | 47.5 | 56.4 | 62.1 | 62.1 | 52.8 | 42.6 | 28.4 | 17.9 | 17.9 |
| Year Lowest Occurred | 1993 | 1989 | 1977 | 1975 | 1977 | 1984 | 1993 | 1976 | 1986 | 1984 | 1994 | 1990 | 1990 |
| Mean Min. Temperature (F) | 16.8 | 21.0 | 25.3 | 28.9 | 35.1 | 41.3 | 46.5 | 45.3 | 37.7 | 29.9 | 22.9 | 16.6 | 30.6 |
| Highest Mean Min. Temperature (F) | 25.1 | 27.6 | 31.3 | 34.3 | 40.8 | 48.2 | 52.3 | 49.7 | 44.3 | 35.4 | 30.0 | 25.8 | 52.3 |
| Year Highest Occurred | 1995 | 2000 | 1989 | 1990 | 1987 | 1977 | 1994 | 1971 | 1998 | 1979 | 1973 | 1981 | 1994 |
| Lowest Mean Min. Temperature (F) | 8.2 | 12.6 | 19.0 | 23.8 | 31.3 | 36.1 | 40.1 | 40.1 | 32.1 | 25.4 | 12.7 | 1.6 | 1.6 |
| Year Lowest Occurred | 1977 | 1985 | 1988 | 1975 | 1982 | 1984 | 1993 | 1993 | 1986 | 1984 | 1993 | 1990 | 1990 |
| Mean Precipitation (in.) | 1.38 | 1.22 | 1.10 | 0.69 | 0.89 | 0.68 | 0.32 | 0.32 | 0.63 | 0.71 | 1.35 | 1.45 | 10.74 |
| Highest Precipitation (in.) | 3.16 | 5.33 | 2.87 | 1.58 | 2.92 | 3.26 | 1.37 | 1.99 | 3.24 | 2.07 | 3.85 | 6.00 | 6.00 |
| Year Highest Occurred | 1996 | 1986 | 1989 | 1983 | 1998 | 1977 | 1982 | 1976 | 1998 | 1972 | 1988 | 1983 | 1983 |
| Lowest Precipitation (in.) | 0.15 | 0.05 | 0.18 | 0.11 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.07 | 0.00 | 0.00 |
| Year Lowest Occurred | 1984 | 1988 | 1977 | 1971 | 1992 | 1994 | 1999 | 1998 | 1987 | 1988 | 1990 | 1976 | 1992 |
| Heating Degree Days (F) | 1123. | 871. | 788. | 585. | 372. | 151. | 37. | 46. | 205. | 494. | 838. | 1107. | 6617. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 7. | 49. | 153. | 128. | 31. | 1. | 0. | 0. | 369. |