| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 47.4 | 52.4 | 56.9 | 61.9 | 68.2 | 74.3 | 81.5 | 82.4 | 76.6 | 66.3 | 53.0 | 46.7 | 64.0 |
| Highest Mean Max. Temperature (F) | 51.3 | 58.9 | 63.6 | 68.1 | 76.9 | 79.6 | 88.1 | 87.7 | 83.7 | 74.6 | 58.2 | 50.8 | 88.1 |
| Year Highest Occurred | 1992 | 1992 | 1992 | 1987 | 1992 | 1992 | 1996 | 1992 | 1974 | 1987 | 1999 | 1995 | 1996 |
| Lowest Mean Max. Temperature (F) | 40.7 | 44.8 | 51.6 | 55.4 | 62.6 | 69.0 | 74.3 | 76.7 | 68.5 | 60.3 | 45.2 | 41.0 | 40.7 |
| Year Lowest Occurred | 1979 | 1989 | 1975 | 1975 | 1991 | 1980 | 1983 | 1975 | 1986 | 1984 | 1985 | 1990 | 1979 |
| Mean Temperature (F) | 40.7 | 44.1 | 47.1 | 50.9 | 56.4 | 62.2 | 67.9 | 67.9 | 62.5 | 54.5 | 45.8 | 40.7 | 53.4 |
| Highest Mean Temperature (F) | 45.0 | 49.4 | 51.1 | 54.8 | 62.3 | 66.0 | 72.6 | 71.4 | 66.7 | 58.5 | 51.0 | 45.6 | 72.6 |
| Year Highest Occurred | 1998 | 1995 | 1986 | 1989 | 1997 | 1992 | 1996 | 1977 | 1995 | 1988 | 1995 | 1995 | 1996 |
| Lowest Mean Temperature (F) | 34.4 | 36.0 | 43.2 | 45.5 | 52.6 | 58.3 | 64.0 | 64.7 | 57.8 | 50.9 | 39.0 | 33.3 | 33.3 |
| Year Lowest Occurred | 1979 | 1989 | 1975 | 1975 | 1991 | 1976 | 1993 | 1975 | 1985 | 1971 | 1985 | 1990 | 1990 |
| Mean Min. Temperature (F) | 33.9 | 35.8 | 37.3 | 39.9 | 44.5 | 50.1 | 54.2 | 53.4 | 48.3 | 42.7 | 38.6 | 34.6 | 42.8 |
| Highest Mean Min. Temperature (F) | 38.8 | 41.2 | 41.8 | 43.3 | 48.3 | 53.1 | 57.0 | 56.5 | 53.9 | 47.5 | 45.1 | 40.3 | 57.0 |
| Year Highest Occurred | 1995 | 1995 | 1993 | 1990 | 1997 | 1986 | 1996 | 1990 | 1995 | 1979 | 1995 | 1995 | 1996 |
| Lowest Mean Min. Temperature (F) | 27.7 | 27.2 | 33.5 | 35.5 | 41.1 | 45.6 | 51.6 | 50.6 | 45.1 | 38.2 | 32.4 | 25.6 | 25.6 |
| Year Lowest Occurred | 1977 | 1989 | 1976 | 1975 | 1999 | 1976 | 1999 | 1980 | 1972 | 1974 | 1978 | 1990 | 1990 |
| Mean Precipitation (in.) | 5.14 | 4.47 | 3.97 | 2.94 | 1.93 | 0.98 | 0.40 | 0.65 | 1.14 | 2.41 | 5.89 | 5.81 | 35.73 |
| Highest Precipitation (in.) | 10.43 | 10.45 | 8.25 | 6.51 | 7.51 | 3.56 | 2.38 | 2.48 | 4.23 | 5.10 | 15.39 | 16.54 | 16.54 |
| Year Highest Occurred | 1995 | 1986 | 1983 | 1993 | 1998 | 1992 | 1987 | 1976 | 1986 | 1982 | 1973 | 1996 | 1996 |
| Lowest Precipitation (in.) | 0.59 | 0.79 | 1.44 | 0.75 | 0.24 | 0.10 | 0.00 | 0.00 | 0.00 | 0.07 | 1.33 | 0.75 | 0.00 |
| Year Lowest Occurred | 1985 | 1988 | 1978 | 1977 | 1982 | 1999 | 1988 | 2000 | 1999 | 1987 | 1976 | 1976 | 1988 |
| Heating Degree Days (F) | 755. | 585. | 555. | 423. | 274. | 116. | 32. | 24. | 124. | 327. | 576. | 754. | 4545. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 6. | 32. | 121. | 113. | 47. | 1. | 0. | 0. | 320. |