| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 42.4 | 46.7 | 53.1 | 60.8 | 71.0 | 82.7 | 89.2 | 87.0 | 78.6 | 66.3 | 52.1 | 43.3 | 64.4 |
| Highest Mean Max. Temperature (F) | 51.5 | 55.7 | 61.6 | 68.6 | 77.2 | 88.5 | 92.8 | 89.8 | 84.0 | 75.0 | 62.1 | 52.3 | 92.8 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 1992 | 1984 | 1974 | 1989 | 1996 | 1979 | 1988 | 1999 | 1980 | 1989 |
| Lowest Mean Max. Temperature (F) | 33.5 | 40.7 | 44.9 | 50.3 | 64.6 | 76.5 | 85.4 | 84.4 | 71.1 | 57.9 | 43.8 | 35.3 | 33.5 |
| Year Lowest Occurred | 1979 | 1993 | 1973 | 1975 | 1995 | 1998 | 1992 | 1984 | 1986 | 1984 | 1972 | 1971 | 1979 |
| Mean Temperature (F) | 28.9 | 33.2 | 39.1 | 45.5 | 54.0 | 63.9 | 70.5 | 68.8 | 60.5 | 49.1 | 37.0 | 29.3 | 48.3 |
| Highest Mean Temperature (F) | 36.8 | 39.9 | 45.1 | 52.1 | 59.0 | 68.3 | 73.4 | 72.0 | 64.9 | 55.0 | 43.0 | 36.6 | 73.4 |
| Year Highest Occurred | 1986 | 1995 | 1989 | 1992 | 2000 | 1994 | 1996 | 1994 | 1990 | 1988 | 1999 | 1980 | 1996 |
| Lowest Mean Temperature (F) | 21.2 | 28.0 | 33.8 | 37.0 | 49.4 | 58.8 | 67.2 | 65.7 | 55.8 | 43.4 | 30.6 | 22.1 | 21.2 |
| Year Lowest Occurred | 1973 | 1989 | 1976 | 1975 | 1995 | 1998 | 1993 | 1975 | 1986 | 1984 | 2000 | 1990 | 1973 |
| Mean Min. Temperature (F) | 15.4 | 19.6 | 25.1 | 30.1 | 37.0 | 45.0 | 51.7 | 50.6 | 42.4 | 31.8 | 21.8 | 15.3 | 32.2 |
| Highest Mean Min. Temperature (F) | 23.2 | 25.1 | 30.5 | 35.6 | 41.3 | 50.4 | 55.1 | 54.4 | 47.6 | 36.2 | 24.4 | 20.8 | 55.1 |
| Year Highest Occurred | 2000 | 1980 | 1978 | 1992 | 2000 | 1988 | 1996 | 2000 | 1990 | 1972 | 1997 | 1980 | 1996 |
| Lowest Mean Min. Temperature (F) | 5.6 | 13.1 | 17.4 | 23.7 | 32.0 | 41.0 | 47.7 | 46.1 | 36.0 | 27.4 | 16.8 | 6.9 | 5.6 |
| Year Lowest Occurred | 1989 | 1984 | 1976 | 1975 | 1975 | 1998 | 1993 | 1975 | 1973 | 1982 | 2000 | 1990 | 1989 |
| Mean Precipitation (in.) | 0.82 | 0.82 | 1.17 | 1.21 | 1.14 | 0.62 | 1.05 | 1.53 | 1.02 | 1.04 | 0.90 | 0.73 | 12.05 |
| Highest Precipitation (in.) | 2.55 | 1.89 | 2.56 | 2.54 | 3.00 | 1.54 | 2.78 | 3.42 | 3.74 | 3.18 | 2.15 | 1.72 | 3.74 |
| Year Highest Occurred | 1978 | 1998 | 1981 | 1988 | 1995 | 1998 | 1977 | 1973 | 1982 | 1972 | 1983 | 1972 | 1982 |
| Lowest Precipitation (in.) | 0.02 | 0.04 | 0.00 | 0.15 | 0.00 | 0.00 | 0.09 | 0.07 | 0.00 | 0.00 | 0.16 | 0.00 | 0.00 |
| Year Lowest Occurred | 1987 | 1972 | 1972 | 1982 | 1974 | 1979 | 1979 | 1974 | 1979 | 1988 | 1977 | 1989 | 1972 |
| Heating Degree Days (F) | 1119. | 892. | 804. | 587. | 345. | 102. | 10. | 15. | 158. | 495. | 842. | 1107. | 6476. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 4. | 68. | 178. | 132. | 22. | 1. | 0. | 0. | 405. |