| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 34.8 | 42.0 | 52.6 | 61.4 | 71.1 | 82.4 | 90.9 | 88.8 | 77.2 | 62.0 | 46.1 | 35.8 | 62.1 |
| Highest Mean Max. Temperature (F) | 41.7 | 50.1 | 59.6 | 71.8 | 77.4 | 90.3 | 95.1 | 94.0 | 82.9 | 69.4 | 53.0 | 43.8 | 95.1 |
| Year Highest Occurred | 1998 | 1986 | 1986 | 1987 | 1992 | 1986 | 1985 | 1981 | 1990 | 1988 | 1995 | 1977 | 1985 |
| Lowest Mean Max. Temperature (F) | 22.8 | 28.5 | 47.8 | 52.9 | 63.7 | 74.1 | 81.8 | 83.5 | 72.1 | 56.8 | 38.9 | 26.6 | 22.8 |
| Year Lowest Occurred | 1993 | 1984 | 1984 | 1975 | 1995 | 1995 | 1993 | 1993 | 1986 | 1982 | 1994 | 1990 | 1993 |
| Mean Temperature (F) | 26.8 | 33.0 | 42.7 | 50.7 | 59.9 | 70.1 | 78.2 | 75.9 | 65.0 | 51.0 | 36.9 | 27.3 | 51.5 |
| Highest Mean Temperature (F) | 33.9 | 41.2 | 49.4 | 57.9 | 65.5 | 76.0 | 82.8 | 79.4 | 71.0 | 57.7 | 42.6 | 35.1 | 82.8 |
| Year Highest Occurred | 1998 | 1986 | 1986 | 1987 | 1987 | 1986 | 1985 | 1981 | 1990 | 1988 | 1995 | 1977 | 1985 |
| Lowest Mean Temperature (F) | 15.6 | 20.2 | 37.4 | 43.0 | 53.7 | 63.8 | 71.3 | 71.4 | 59.4 | 46.9 | 30.4 | 16.4 | 15.6 |
| Year Lowest Occurred | 1984 | 1984 | 1976 | 1975 | 1977 | 1995 | 1993 | 1976 | 1971 | 1982 | 1993 | 1990 | 1984 |
| Mean Min. Temperature (F) | 18.7 | 24.0 | 32.8 | 39.9 | 48.7 | 57.7 | 65.5 | 63.0 | 52.7 | 39.9 | 27.7 | 18.8 | 40.8 |
| Highest Mean Min. Temperature (F) | 26.4 | 32.2 | 39.2 | 46.2 | 55.0 | 62.9 | 70.5 | 66.8 | 59.0 | 45.9 | 32.2 | 26.3 | 70.5 |
| Year Highest Occurred | 1978 | 1986 | 1986 | 1992 | 1987 | 1977 | 1985 | 1998 | 1990 | 1988 | 1998 | 1977 | 1985 |
| Lowest Mean Min. Temperature (F) | 7.5 | 11.8 | 26.4 | 33.1 | 42.7 | 52.8 | 60.8 | 56.8 | 45.9 | 36.0 | 21.4 | 6.2 | 6.2 |
| Year Lowest Occurred | 1984 | 1984 | 1976 | 1975 | 1975 | 1975 | 1993 | 1974 | 1971 | 1971 | 1993 | 1990 | 1990 |
| Mean Precipitation (in.) | 0.31 | 0.26 | 0.44 | 0.48 | 0.82 | 0.38 | 0.29 | 0.40 | 0.43 | 0.53 | 0.27 | 0.16 | 4.77 |
| Highest Precipitation (in.) | 1.00 | 0.71 | 1.34 | 1.98 | 4.19 | 1.16 | 1.11 | 1.51 | 3.37 | 2.41 | 1.06 | 0.67 | 4.19 |
| Year Highest Occurred | 1993 | 1998 | 1978 | 1971 | 1987 | 1995 | 1987 | 1983 | 1982 | 1972 | 1987 | 1983 | 1987 |
| Lowest Precipitation (in.) | 0.01 | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1992 | 1988 | 1997 | 1992 | 1992 | 1994 | 2000 | 1996 | 1992 | 1999 | 1999 | 1999 | 1988 |
| Heating Degree Days (F) | 1186. | 896. | 691. | 439. | 205. | 48. | 1. | 2. | 85. | 436. | 843. | 1170. | 6002. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 9. | 47. | 200. | 410. | 339. | 82. | 1. | 0. | 0. | 1088. |