| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 39.1 | 46.6 | 54.9 | 63.3 | 71.8 | 81.2 | 90.2 | 88.9 | 79.4 | 66.9 | 49.9 | 39.4 | 64.3 |
| Highest Mean Max. Temperature (F) | 45.8 | 55.4 | 63.0 | 74.2 | 83.1 | 89.1 | 95.4 | 93.6 | 85.8 | 77.6 | 59.1 | 45.3 | 95.4 |
| Year Highest Occurred | 1994 | 1995 | 1992 | 1987 | 1992 | 1986 | 1985 | 1998 | 1990 | 1988 | 1976 | 1977 | 1985 |
| Lowest Mean Max. Temperature (F) | 29.4 | 34.9 | 47.8 | 51.6 | 65.3 | 75.7 | 81.3 | 78.0 | 70.5 | 59.5 | 40.6 | 26.0 | 26.0 |
| Year Lowest Occurred | 1984 | 1993 | 1971 | 1975 | 1977 | 1971 | 1993 | 1976 | 1985 | 1984 | 1985 | 1985 | 1985 |
| Mean Temperature (F) | 28.7 | 35.0 | 40.8 | 47.4 | 55.5 | 63.6 | 71.0 | 68.9 | 59.5 | 48.7 | 37.0 | 28.9 | 48.8 |
| Highest Mean Temperature (F) | 36.3 | 41.5 | 46.8 | 54.1 | 62.3 | 69.9 | 75.5 | 72.5 | 65.5 | 56.0 | 43.7 | 36.7 | 75.5 |
| Year Highest Occurred | 1998 | 1986 | 1978 | 2000 | 1992 | 1977 | 1985 | 1986 | 1998 | 1988 | 1995 | 1977 | 1985 |
| Lowest Mean Temperature (F) | 18.2 | 25.8 | 33.9 | 39.6 | 51.4 | 59.6 | 63.9 | 62.5 | 53.2 | 45.0 | 29.2 | 15.1 | 15.1 |
| Year Lowest Occurred | 1984 | 1993 | 1976 | 1975 | 1975 | 1984 | 1993 | 1976 | 1971 | 1984 | 1993 | 1985 | 1985 |
| Mean Min. Temperature (F) | 18.3 | 23.4 | 26.7 | 31.5 | 39.2 | 46.0 | 51.8 | 48.8 | 39.5 | 30.5 | 24.1 | 18.3 | 33.2 |
| Highest Mean Min. Temperature (F) | 26.9 | 32.9 | 33.2 | 38.2 | 43.8 | 51.8 | 58.0 | 52.8 | 47.0 | 34.6 | 31.6 | 28.1 | 58.0 |
| Year Highest Occurred | 1998 | 1986 | 1989 | 2000 | 1987 | 1977 | 1975 | 1977 | 1998 | 1979 | 1998 | 1977 | 1975 |
| Lowest Mean Min. Temperature (F) | 6.6 | 14.8 | 19.9 | 25.8 | 34.8 | 43.1 | 46.4 | 42.6 | 33.7 | 26.6 | 11.4 | 4.1 | 4.1 |
| Year Lowest Occurred | 1977 | 1985 | 1976 | 1972 | 1975 | 1984 | 1993 | 1995 | 1971 | 1976 | 1993 | 1985 | 1985 |
| Mean Precipitation (in.) | 0.79 | 0.59 | 0.79 | 0.83 | 1.17 | 0.85 | 0.44 | 0.29 | 0.53 | 0.54 | 0.71 | 0.75 | 8.28 |
| Highest Precipitation (in.) | 3.30 | 1.68 | 1.86 | 2.74 | 4.99 | 2.11 | 2.56 | 1.88 | 2.37 | 2.33 | 1.53 | 2.32 | 4.99 |
| Year Highest Occurred | 1997 | 1986 | 1971 | 1978 | 1998 | 1995 | 1998 | 1976 | 1971 | 2000 | 1971 | 1995 | 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 | 0.02 | 0.00 |
| Year Lowest Occurred | 1991 | 1971 | 1994 | 1972 | 1978 | 1977 | 1999 | 1991 | 1999 | 1988 | 1976 | 1976 | 1991 |
| Heating Degree Days (F) | 1125. | 840. | 751. | 531. | 303. | 121. | 21. | 35. | 201. | 504. | 840. | 1121. | 6393. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 2. | 8. | 80. | 208. | 154. | 35. | 0. | 0. | 0. | 487. |