| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 49.2 | 52.9 | 57.6 | 66.1 | 75.3 | 85.8 | 87.4 | 84.3 | 79.6 | 69.5 | 57.5 | 50.4 | 68.0 |
| Highest Mean Max. Temperature (F) | 58.0 | 59.0 | 67.0 | 72.8 | 82.4 | 91.6 | 92.0 | 89.6 | 84.5 | 76.0 | 68.5 | 58.7 | 92.0 |
| Year Highest Occurred | 1986 | 2000 | 1972 | 1989 | 1996 | 1990 | 1994 | 1995 | 1998 | 1995 | 1999 | 1980 | 1994 |
| Lowest Mean Max. Temperature (F) | 41.4 | 46.4 | 47.6 | 57.6 | 70.9 | 81.1 | 83.8 | 80.7 | 74.7 | 61.6 | 50.2 | 44.4 | 41.4 |
| Year Lowest Occurred | 1979 | 1998 | 1973 | 1975 | 1975 | 1972 | 1986 | 1971 | 1988 | 1971 | 1972 | 1971 | 1979 |
| Mean Temperature (F) | 35.1 | 38.5 | 42.4 | 49.1 | 57.8 | 67.7 | 71.8 | 70.0 | 64.5 | 54.0 | 42.3 | 35.7 | 52.4 |
| Highest Mean Temperature (F) | 39.8 | 43.4 | 48.7 | 54.0 | 63.0 | 72.3 | 74.2 | 74.3 | 69.3 | 58.7 | 50.0 | 40.5 | 74.3 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 1989 | 2000 | 1990 | 1998 | 1995 | 1997 | 1987 | 1999 | 1980 | 1995 |
| Lowest Mean Temperature (F) | 29.9 | 34.0 | 37.3 | 42.9 | 54.0 | 64.5 | 69.2 | 67.0 | 59.9 | 48.8 | 37.6 | 31.4 | 29.9 |
| Year Lowest Occurred | 1992 | 1985 | 1973 | 1975 | 1971 | 1998 | 1986 | 1979 | 1988 | 1971 | 1992 | 1990 | 1992 |
| Mean Min. Temperature (F) | 20.9 | 24.0 | 27.2 | 32.1 | 40.2 | 49.6 | 56.1 | 55.6 | 49.4 | 38.5 | 27.0 | 20.9 | 36.8 |
| Highest Mean Min. Temperature (F) | 27.5 | 28.7 | 34.1 | 35.6 | 44.9 | 53.7 | 58.2 | 58.9 | 54.2 | 43.5 | 32.7 | 25.9 | 58.9 |
| Year Highest Occurred | 1993 | 1976 | 1978 | 1985 | 1992 | 1974 | 1999 | 1995 | 1997 | 1987 | 1978 | 1977 | 1995 |
| Lowest Mean Min. Temperature (F) | 15.5 | 18.6 | 23.2 | 28.1 | 36.4 | 43.9 | 52.6 | 52.3 | 45.0 | 33.7 | 20.5 | 15.8 | 15.5 |
| Year Lowest Occurred | 1992 | 1984 | 1984 | 1975 | 1971 | 1998 | 1987 | 1980 | 1988 | 1982 | 1992 | 1989 | 1992 |
| Mean Precipitation (in.) | 1.70 | 1.65 | 1.62 | 0.66 | 0.62 | 0.72 | 3.27 | 3.18 | 1.82 | 1.77 | 1.29 | 1.51 | 19.81 |
| Highest Precipitation (in.) | 8.27 | 5.11 | 4.77 | 3.73 | 3.56 | 3.76 | 7.62 | 6.12 | 3.91 | 6.84 | 3.56 | 4.77 | 8.27 |
| Year Highest Occurred | 1993 | 1980 | 1991 | 1988 | 1992 | 1979 | 1990 | 1984 | 1983 | 1972 | 1978 | 1992 | 1993 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.43 | 0.91 | 0.05 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1999 | 1984 | 1972 | 2000 | 2000 | 1989 | 1993 | 1975 | 1973 | 1998 | 1999 | 1996 | 1999 |
| Heating Degree Days (F) | 928. | 744. | 701. | 478. | 241. | 41. | 1. | 10. | 80. | 346. | 683. | 910. | 5163. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 15. | 123. | 209. | 163. | 67. | 4. | 0. | 0. | 581. |