| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 36.0 | 41.0 | 49.8 | 59.2 | 69.4 | 81.1 | 85.9 | 83.2 | 75.3 | 62.9 | 47.1 | 38.0 | 60.7 |
| Highest Mean Max. Temperature (F) | 47.1 | 51.2 | 58.2 | 66.2 | 76.8 | 86.6 | 88.7 | 86.8 | 81.4 | 69.9 | 58.1 | 47.8 | 88.7 |
| Year Highest Occurred | 1981 | 1995 | 1972 | 1992 | 2000 | 1981 | 1996 | 1994 | 1979 | 1999 | 1999 | 1980 | 1996 |
| Lowest Mean Max. Temperature (F) | 28.4 | 34.3 | 42.4 | 50.7 | 62.4 | 74.8 | 81.2 | 79.4 | 68.9 | 54.2 | 39.7 | 29.9 | 28.4 |
| Year Lowest Occurred | 1979 | 1974 | 1973 | 1983 | 1995 | 1995 | 1992 | 1999 | 1985 | 1984 | 1972 | 1990 | 1979 |
| Mean Temperature (F) | 22.9 | 28.1 | 36.7 | 43.7 | 52.5 | 62.0 | 68.3 | 66.6 | 58.6 | 46.9 | 33.9 | 25.2 | 45.5 |
| Highest Mean Temperature (F) | 33.1 | 38.7 | 41.1 | 48.8 | 57.4 | 66.0 | 70.8 | 70.1 | 62.1 | 50.6 | 39.1 | 35.8 | 70.8 |
| Year Highest Occurred | 1986 | 1995 | 1986 | 1992 | 2000 | 1994 | 1996 | 2000 | 1998 | 1988 | 1981 | 1980 | 1996 |
| Lowest Mean Temperature (F) | 13.6 | 18.3 | 31.1 | 38.7 | 48.7 | 58.2 | 65.3 | 63.1 | 54.6 | 42.6 | 28.0 | 16.5 | 13.6 |
| Year Lowest Occurred | 1973 | 1974 | 1979 | 1975 | 1995 | 1995 | 1992 | 1975 | 1985 | 1984 | 1979 | 1990 | 1973 |
| Mean Min. Temperature (F) | 9.7 | 15.2 | 23.6 | 28.2 | 35.6 | 42.8 | 50.6 | 50.0 | 41.8 | 30.9 | 20.6 | 12.4 | 30.1 |
| Highest Mean Min. Temperature (F) | 20.9 | 26.2 | 28.7 | 32.4 | 38.8 | 46.0 | 54.3 | 54.3 | 47.4 | 39.0 | 27.6 | 23.7 | 54.3 |
| Year Highest Occurred | 1986 | 1995 | 1974 | 1994 | 1996 | 1977 | 1977 | 2000 | 1997 | 1972 | 1978 | 1980 | 1977 |
| Lowest Mean Min. Temperature (F) | -2.3 | 1.2 | 17.5 | 23.8 | 31.8 | 39.1 | 47.5 | 44.5 | 37.5 | 26.3 | 14.4 | 3.0 | -2.3 |
| Year Lowest Occurred | 1973 | 1979 | 1979 | 1991 | 1988 | 1975 | 1978 | 1975 | 1973 | 1976 | 1975 | 1990 | 1973 |
| Mean Precipitation (in.) | 0.80 | 0.79 | 0.92 | 0.76 | 0.99 | 0.44 | 1.32 | 1.34 | 1.25 | 1.84 | 1.08 | 0.76 | 12.29 |
| Highest Precipitation (in.) | 2.28 | 3.54 | 2.49 | 2.13 | 2.99 | 1.94 | 3.60 | 3.23 | 3.60 | 7.97 | 3.84 | 2.90 | 7.97 |
| Year Highest Occurred | 1979 | 1976 | 1978 | 1994 | 1995 | 1991 | 1985 | 1997 | 1985 | 1972 | 1978 | 1978 | 1972 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.15 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1972 | 1974 | 1999 | 1989 | 1974 | 1982 | 1993 | 1985 | 1979 | 1999 | 1989 | 1976 | 1972 |
| Heating Degree Days (F) | 1307. | 1033. | 876. | 640. | 388. | 129. | 14. | 38. | 206. | 560. | 934. | 1234. | 7359. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 1. | 37. | 115. | 88. | 12. | 0. | 0. | 0. | 253. |