| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 51.4 | 55.2 | 61.1 | 69.1 | 77.6 | 87.0 | 86.5 | 83.6 | 79.4 | 70.3 | 58.6 | 51.5 | 69.3 |
| Highest Mean Max. Temperature (F) | 57.1 | 59.9 | 70.5 | 76.3 | 83.9 | 92.7 | 93.0 | 90.1 | 85.1 | 78.4 | 67.4 | 61.2 | 93.0 |
| Year Highest Occurred | 1975 | 1976 | 1972 | 1989 | 2000 | 1980 | 1978 | 1973 | 1979 | 1979 | 1977 | 1980 | 1978 |
| Lowest Mean Max. Temperature (F) | 43.2 | 48.1 | 53.4 | 61.2 | 70.2 | 80.5 | 79.6 | 75.5 | 72.5 | 64.1 | 51.2 | 44.5 | 43.2 |
| Year Lowest Occurred | 1992 | 1998 | 1991 | 1983 | 1992 | 1991 | 1990 | 1990 | 1991 | 1984 | 2000 | 1991 | 1992 |
| Mean Temperature (F) | 37.6 | 41.0 | 45.6 | 52.3 | 60.7 | 70.3 | 72.6 | 70.3 | 64.8 | 54.7 | 43.7 | 37.7 | 54.3 |
| Highest Mean Temperature (F) | 43.7 | 45.6 | 52.3 | 59.3 | 67.6 | 76.3 | 77.4 | 74.5 | 69.1 | 59.5 | 48.2 | 43.8 | 77.4 |
| Year Highest Occurred | 1993 | 1996 | 1993 | 1989 | 1996 | 1994 | 1978 | 1973 | 1983 | 1979 | 1981 | 1980 | 1978 |
| Lowest Mean Temperature (F) | 32.7 | 35.6 | 39.7 | 46.1 | 57.0 | 63.4 | 66.3 | 63.3 | 59.8 | 50.8 | 37.7 | 33.6 | 32.7 |
| Year Lowest Occurred | 1992 | 1990 | 1991 | 1983 | 1975 | 1991 | 1991 | 1990 | 1991 | 1996 | 1996 | 1997 | 1992 |
| Mean Min. Temperature (F) | 23.7 | 26.7 | 30.1 | 35.4 | 43.8 | 53.5 | 58.6 | 57.0 | 50.1 | 39.1 | 28.8 | 23.8 | 39.2 |
| Highest Mean Min. Temperature (F) | 35.8 | 33.6 | 38.0 | 42.3 | 52.4 | 61.1 | 62.9 | 60.3 | 55.5 | 44.8 | 32.7 | 28.4 | 62.9 |
| Year Highest Occurred | 1993 | 1993 | 1993 | 1989 | 1996 | 1994 | 1994 | 1994 | 1983 | 1972 | 1978 | 1994 | 1994 |
| Lowest Mean Min. Temperature (F) | 18.3 | 20.0 | 20.9 | 29.9 | 38.0 | 46.3 | 52.7 | 51.1 | 46.3 | 31.8 | 22.9 | 18.8 | 18.3 |
| Year Lowest Occurred | 1971 | 1974 | 1977 | 1975 | 1975 | 1991 | 1991 | 1990 | 1989 | 1976 | 1996 | 1996 | 1971 |
| Mean Precipitation (in.) | 1.32 | 1.11 | 0.88 | 0.32 | 0.52 | 0.64 | 3.01 | 2.88 | 1.75 | 1.60 | 1.12 | 1.59 | 16.74 |
| Highest Precipitation (in.) | 6.08 | 3.35 | 3.01 | 1.70 | 3.87 | 2.18 | 6.83 | 8.23 | 5.87 | 4.90 | 4.31 | 6.48 | 8.23 |
| Year Highest Occurred | 1993 | 1973 | 1991 | 1985 | 1992 | 2000 | 1981 | 1988 | 1975 | 1972 | 1994 | 1991 | 1988 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.70 | 0.28 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1986 | 1999 | 1972 | 1993 | 2000 | 1995 | 2000 | 1973 | 2000 | 1999 | 1999 | 1996 | 1986 |
| Heating Degree Days (F) | 850. | 674. | 601. | 386. | 182. | 29. | 11. | 16. | 78. | 326. | 639. | 849. | 4641. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 3. | 49. | 186. | 244. | 180. | 72. | 5. | 0. | 0. | 739. |