| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 53.5 | 58.2 | 63.4 | 71.0 | 79.8 | 90.3 | 96.6 | 95.0 | 88.1 | 76.6 | 63.0 | 54.3 | 74.2 |
| Highest Mean Max. Temperature (F) | 61.0 | 66.3 | 74.1 | 79.8 | 87.6 | 95.7 | 100.1 | 99.1 | 93.9 | 84.1 | 72.8 | 63.0 | 100.1 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 1989 | 1984 | 1981 | 1996 | 1996 | 1974 | 1988 | 1995 | 1980 | 1996 |
| Lowest Mean Max. Temperature (F) | 44.1 | 49.8 | 55.0 | 61.1 | 71.3 | 83.3 | 92.0 | 89.8 | 80.8 | 70.2 | 53.9 | 43.1 | 43.1 |
| Year Lowest Occurred | 1979 | 1998 | 1973 | 1975 | 1977 | 1998 | 1987 | 1983 | 1985 | 1984 | 1994 | 1984 | 1984 |
| Mean Temperature (F) | 40.7 | 44.5 | 49.3 | 55.6 | 64.0 | 72.8 | 78.7 | 77.4 | 71.1 | 60.2 | 48.2 | 40.8 | 58.6 |
| Highest Mean Temperature (F) | 46.7 | 51.7 | 55.5 | 62.9 | 70.2 | 78.2 | 83.7 | 80.8 | 74.7 | 66.8 | 55.8 | 47.4 | 83.7 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 1989 | 1997 | 1981 | 1996 | 1996 | 1991 | 1988 | 1995 | 1980 | 1996 |
| Lowest Mean Temperature (F) | 34.5 | 40.8 | 43.7 | 46.6 | 56.8 | 67.3 | 73.8 | 72.5 | 64.7 | 55.0 | 41.1 | 34.3 | 34.3 |
| Year Lowest Occurred | 1979 | 1979 | 1977 | 1975 | 1977 | 1998 | 1987 | 1976 | 1986 | 1984 | 1994 | 1984 | 1984 |
| Mean Min. Temperature (F) | 27.8 | 30.8 | 35.1 | 40.2 | 48.1 | 55.2 | 60.8 | 59.8 | 54.0 | 43.8 | 33.3 | 27.2 | 43.0 |
| Highest Mean Min. Temperature (F) | 33.4 | 37.0 | 40.7 | 46.0 | 53.9 | 60.6 | 67.2 | 63.6 | 58.9 | 49.5 | 38.8 | 32.0 | 67.2 |
| Year Highest Occurred | 1995 | 1995 | 1994 | 1989 | 1997 | 1981 | 1996 | 1992 | 1991 | 1988 | 1995 | 1996 | 1996 |
| Lowest Mean Min. Temperature (F) | 21.6 | 25.0 | 27.0 | 32.0 | 42.3 | 49.7 | 55.6 | 53.4 | 48.0 | 38.9 | 28.3 | 20.1 | 20.1 |
| Year Lowest Occurred | 1972 | 1974 | 1977 | 1975 | 1977 | 1980 | 1987 | 1975 | 1986 | 1971 | 1994 | 1990 | 1990 |
| Mean Precipitation (in.) | 0.74 | 0.92 | 1.03 | 0.38 | 0.38 | 0.21 | 0.38 | 0.40 | 0.44 | 0.27 | 0.41 | 0.49 | 6.05 |
| Highest Precipitation (in.) | 3.18 | 4.47 | 3.50 | 1.96 | 2.11 | 1.66 | 1.73 | 2.73 | 2.32 | 1.53 | 1.96 | 2.78 | 4.47 |
| Year Highest Occurred | 1995 | 1998 | 1995 | 1988 | 1977 | 1998 | 1990 | 1983 | 1975 | 1974 | 1987 | 1984 | 1998 |
| 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 | 1996 | 1977 | 1997 | 1997 | 1997 | 1999 | 2000 | 1997 | 2000 | 1999 | 1995 | 2000 | 1996 |
| Heating Degree Days (F) | 756. | 573. | 492. | 304. | 128. | 13. | 0. | 0. | 21. | 196. | 506. | 751. | 3740. |
| Cooling Degree Days (F) | 0. | 0. | 3. | 22. | 95. | 245. | 425. | 384. | 202. | 46. | 1. | 0. | 1423. |