| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 45.1 | 51.0 | 56.2 | 62.9 | 71.1 | 79.2 | 86.7 | 86.3 | 79.6 | 68.3 | 52.0 | 44.6 | 65.3 |
| Highest Mean Max. Temperature (F) | 52.6 | 59.5 | 62.2 | 71.7 | 80.1 | 85.2 | 90.5 | 90.6 | 86.2 | 77.6 | 60.5 | 49.6 | 90.6 |
| Year Highest Occurred | 1986 | 1995 | 1988 | 1987 | 1992 | 1987 | 1988 | 1981 | 1991 | 1988 | 1995 | 1981 | 1981 |
| Lowest Mean Max. Temperature (F) | 37.7 | 45.4 | 51.0 | 53.7 | 60.6 | 74.0 | 81.2 | 78.4 | 71.3 | 62.0 | 43.1 | 39.2 | 37.7 |
| Year Lowest Occurred | 1977 | 1999 | 1975 | 1975 | 1998 | 1980 | 1983 | 1976 | 1986 | 1984 | 1994 | 1972 | 1977 |
| Mean Temperature (F) | 35.6 | 39.9 | 43.6 | 48.3 | 54.9 | 61.6 | 68.1 | 67.3 | 61.2 | 52.2 | 41.2 | 35.4 | 50.8 |
| Highest Mean Temperature (F) | 42.8 | 45.0 | 48.1 | 54.3 | 61.1 | 66.6 | 71.6 | 71.2 | 65.1 | 58.1 | 47.2 | 41.4 | 71.6 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 1990 | 1992 | 1977 | 1985 | 1986 | 1974 | 1988 | 1995 | 1981 | 1985 |
| Lowest Mean Temperature (F) | 27.6 | 34.4 | 39.8 | 40.9 | 48.8 | 58.1 | 62.1 | 63.9 | 55.8 | 48.3 | 34.7 | 29.2 | 27.6 |
| Year Lowest Occurred | 1977 | 1990 | 1977 | 1975 | 1977 | 1991 | 1993 | 1976 | 1986 | 1984 | 1994 | 1990 | 1977 |
| Mean Min. Temperature (F) | 26.0 | 28.8 | 30.9 | 33.6 | 38.7 | 44.0 | 49.4 | 48.3 | 42.8 | 36.1 | 30.3 | 26.2 | 36.3 |
| Highest Mean Min. Temperature (F) | 33.6 | 33.4 | 35.1 | 37.9 | 42.7 | 49.8 | 52.9 | 52.7 | 47.0 | 41.7 | 35.3 | 33.1 | 52.9 |
| Year Highest Occurred | 1995 | 1986 | 1993 | 1990 | 1997 | 1977 | 1985 | 1977 | 1976 | 1979 | 1999 | 1981 | 1985 |
| Lowest Mean Min. Temperature (F) | 17.5 | 21.9 | 26.8 | 28.0 | 35.3 | 39.1 | 42.6 | 44.4 | 40.3 | 33.2 | 24.3 | 18.2 | 17.5 |
| Year Lowest Occurred | 1977 | 1989 | 1985 | 1975 | 1977 | 1999 | 1993 | 1995 | 1972 | 1999 | 1993 | 1990 | 1977 |
| Mean Precipitation (in.) | 3.72 | 2.94 | 2.44 | 1.34 | 1.15 | 0.82 | 0.46 | 0.35 | 0.64 | 1.39 | 2.95 | 3.10 | 21.30 |
| Highest Precipitation (in.) | 11.88 | 9.34 | 6.44 | 3.08 | 4.99 | 3.15 | 2.00 | 2.36 | 2.47 | 4.51 | 7.77 | 10.05 | 11.88 |
| Year Highest Occurred | 1995 | 1986 | 1995 | 1995 | 1998 | 1992 | 1995 | 1976 | 1978 | 1975 | 1981 | 1996 | 1995 |
| Lowest Precipitation (in.) | 0.31 | 0.06 | 0.24 | 0.34 | 0.05 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.26 | 0.26 | 0.00 |
| Year Lowest Occurred | 1985 | 1988 | 1988 | 1999 | 1999 | 1973 | 1989 | 1995 | 1987 | 1995 | 1976 | 1989 | 1973 |
| Heating Degree Days (F) | 912. | 704. | 665. | 503. | 320. | 143. | 37. | 31. | 146. | 399. | 715. | 918. | 5493. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 7. | 42. | 130. | 102. | 32. | 2. | 0. | 0. | 315. |