| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 48.2 | 52.6 | 58.8 | 66.4 | 75.0 | 85.9 | 91.4 | 89.3 | 82.5 | 71.3 | 57.3 | 49.8 | 69.0 |
| Highest Mean Max. Temperature (F) | 57.9 | 63.4 | 70.0 | 75.3 | 83.3 | 93.6 | 95.9 | 95.1 | 88.2 | 79.4 | 66.2 | 58.6 | 95.9 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 1989 | 1984 | 1974 | 1996 | 1996 | 1979 | 1988 | 1999 | 1980 | 1996 |
| Lowest Mean Max. Temperature (F) | 38.8 | 46.2 | 49.7 | 58.0 | 66.2 | 79.6 | 87.1 | 85.7 | 76.7 | 64.1 | 48.8 | 42.9 | 38.8 |
| Year Lowest Occurred | 1979 | 1998 | 1973 | 1983 | 1977 | 1991 | 1992 | 1989 | 1986 | 1984 | 1994 | 1990 | 1979 |
| Mean Temperature (F) | 37.6 | 41.6 | 46.9 | 53.2 | 61.0 | 70.5 | 76.0 | 74.5 | 67.9 | 57.5 | 45.0 | 38.6 | 55.9 |
| Highest Mean Temperature (F) | 44.6 | 50.1 | 54.1 | 60.7 | 67.7 | 75.6 | 80.7 | 79.2 | 72.0 | 64.4 | 51.7 | 45.2 | 80.7 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 1989 | 1997 | 1974 | 1996 | 1996 | 1979 | 1988 | 1995 | 1980 | 1996 |
| Lowest Mean Temperature (F) | 29.7 | 35.4 | 40.0 | 45.4 | 53.4 | 65.4 | 72.8 | 70.7 | 61.9 | 50.0 | 38.7 | 31.1 | 29.7 |
| Year Lowest Occurred | 1973 | 1979 | 1977 | 1975 | 1977 | 1998 | 1987 | 1976 | 1985 | 1984 | 1994 | 1990 | 1973 |
| Mean Min. Temperature (F) | 27.0 | 30.5 | 34.9 | 40.0 | 46.9 | 55.1 | 60.6 | 59.6 | 53.2 | 43.7 | 32.7 | 27.3 | 42.6 |
| Highest Mean Min. Temperature (F) | 31.3 | 36.7 | 40.9 | 46.1 | 52.9 | 60.2 | 65.5 | 64.2 | 57.2 | 49.4 | 37.9 | 31.8 | 65.5 |
| Year Highest Occurred | 1986 | 1995 | 1993 | 1989 | 1997 | 1994 | 1996 | 1994 | 1991 | 1988 | 1995 | 1980 | 1996 |
| Lowest Mean Min. Temperature (F) | 20.4 | 24.0 | 25.6 | 32.0 | 40.7 | 50.6 | 57.8 | 54.8 | 45.8 | 35.9 | 28.1 | 19.3 | 19.3 |
| Year Lowest Occurred | 1973 | 1979 | 1977 | 1975 | 1977 | 1998 | 1986 | 1985 | 1985 | 1984 | 2000 | 1990 | 1990 |
| Mean Precipitation (in.) | 1.57 | 1.83 | 2.38 | 1.08 | 0.82 | 0.43 | 1.02 | 1.24 | 1.10 | 1.31 | 1.21 | 1.03 | 15.02 |
| Highest Precipitation (in.) | 5.92 | 5.68 | 6.62 | 4.79 | 3.41 | 1.96 | 4.19 | 4.51 | 3.96 | 3.60 | 3.37 | 3.23 | 6.62 |
| Year Highest Occurred | 1980 | 1980 | 1995 | 1988 | 1977 | 1995 | 1984 | 1971 | 1997 | 2000 | 1972 | 1984 | 1995 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1972 | 1977 | 1972 | 1989 | 1984 | 1996 | 2000 | 1985 | 1993 | 1999 | 1989 | 1999 | 1972 |
| Heating Degree Days (F) | 850. | 657. | 564. | 367. | 194. | 32. | 0. | 2. | 45. | 263. | 601. | 820. | 4395. |
| Cooling Degree Days (F) | 0. | 0. | 2. | 13. | 68. | 196. | 341. | 295. | 130. | 32. | 0. | 0. | 1077. |