| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 44.1 | 50.2 | 57.9 | 65.6 | 75.1 | 85.3 | 87.8 | 84.9 | 78.6 | 68.4 | 55.4 | 45.7 | 66.6 |
| Highest Mean Max. Temperature (F) | 52.7 | 57.6 | 67.1 | 72.3 | 84.6 | 94.1 | 94.9 | 91.0 | 85.5 | 73.8 | 64.7 | 55.0 | 94.9 |
| Year Highest Occurred | 2000 | 2000 | 1972 | 1989 | 1996 | 1990 | 1980 | 1995 | 2000 | 1995 | 1999 | 1980 | 1980 |
| Lowest Mean Max. Temperature (F) | 34.8 | 43.9 | 51.8 | 57.8 | 70.7 | 79.6 | 82.6 | 80.0 | 72.9 | 59.7 | 47.0 | 36.9 | 34.8 |
| Year Lowest Occurred | 1992 | 1985 | 1973 | 1973 | 1979 | 1979 | 1991 | 1988 | 1974 | 1984 | 1972 | 1997 | 1992 |
| Mean Temperature (F) | 31.6 | 36.1 | 41.9 | 48.7 | 58.4 | 68.2 | 71.9 | 69.9 | 63.3 | 52.8 | 41.1 | 32.7 | 51.4 |
| Highest Mean Temperature (F) | 37.4 | 42.1 | 47.0 | 53.4 | 64.5 | 74.4 | 76.1 | 73.5 | 67.5 | 56.2 | 46.0 | 40.2 | 76.1 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 1981 | 1996 | 1990 | 1980 | 1995 | 1983 | 1987 | 1995 | 1980 | 1980 |
| Lowest Mean Temperature (F) | 24.1 | 31.9 | 38.3 | 42.7 | 54.0 | 64.5 | 68.9 | 67.4 | 59.8 | 48.2 | 34.8 | 26.0 | 24.1 |
| Year Lowest Occurred | 1992 | 1974 | 1977 | 1973 | 1975 | 1995 | 1975 | 1972 | 1996 | 1984 | 2000 | 1997 | 1992 |
| Mean Min. Temperature (F) | 19.1 | 22.0 | 25.8 | 31.8 | 41.7 | 51.0 | 55.9 | 54.9 | 48.0 | 37.1 | 26.7 | 19.6 | 36.1 |
| Highest Mean Min. Temperature (F) | 25.2 | 26.7 | 28.8 | 35.8 | 46.0 | 54.7 | 58.7 | 58.1 | 51.4 | 41.8 | 33.0 | 26.9 | 58.7 |
| Year Highest Occurred | 1993 | 1995 | 1983 | 1981 | 1984 | 1990 | 1993 | 1982 | 1983 | 1974 | 1978 | 1977 | 1993 |
| Lowest Mean Min. Temperature (F) | 13.4 | 15.8 | 20.9 | 27.5 | 36.1 | 46.7 | 52.1 | 53.0 | 44.6 | 32.4 | 20.8 | 14.3 | 13.4 |
| Year Lowest Occurred | 1992 | 1974 | 1996 | 1973 | 1975 | 1995 | 1995 | 1979 | 1996 | 1976 | 1992 | 1989 | 1992 |
| Mean Precipitation (in.) | 0.42 | 0.38 | 0.45 | 0.43 | 0.99 | 1.32 | 1.88 | 2.76 | 1.55 | 1.20 | 0.58 | 0.60 | 12.56 |
| Highest Precipitation (in.) | 1.43 | 1.04 | 2.15 | 2.28 | 4.08 | 5.15 | 4.77 | 6.64 | 5.30 | 4.28 | 1.74 | 2.13 | 6.64 |
| Year Highest Occurred | 1987 | 1990 | 1998 | 1985 | 1992 | 1979 | 1991 | 1988 | 1997 | 2000 | 1986 | 1997 | 1988 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.18 | 0.29 | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 2000 | 2000 | 1996 | 1996 | 1998 | 1998 | 1986 | 1983 | 1973 | 1987 | 1999 | 1996 | 2000 |
| Heating Degree Days (F) | 1036. | 809. | 719. | 489. | 226. | 40. | 3. | 10. | 99. | 380. | 719. | 1004. | 5534. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 22. | 134. | 215. | 162. | 47. | 1. | 0. | 0. | 581. |