| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 28.2 | 33.4 | 39.6 | 49.7 | 60.3 | 71.4 | 78.7 | 77.0 | 68.4 | 56.7 | 39.3 | 29.7 | 52.7 |
| Highest Mean Max. Temperature (F) | 36.3 | 42.9 | 50.0 | 59.1 | 65.1 | 79.4 | 82.3 | 81.0 | 74.7 | 61.9 | 51.0 | 39.7 | 82.3 |
| Year Highest Occurred | 1981 | 1995 | 1972 | 1992 | 2000 | 1977 | 1989 | 2000 | 1979 | 1992 | 1999 | 1980 | 1989 |
| Lowest Mean Max. Temperature (F) | 19.7 | 26.9 | 33.4 | 39.9 | 52.9 | 64.8 | 74.0 | 72.9 | 62.1 | 48.6 | 30.9 | 22.5 | 19.7 |
| Year Lowest Occurred | 1979 | 1985 | 1973 | 1975 | 1995 | 1975 | 1992 | 1975 | 1986 | 1984 | 2000 | 1992 | 1979 |
| Mean Temperature (F) | 15.2 | 18.7 | 25.1 | 34.0 | 43.7 | 52.3 | 59.5 | 57.5 | 49.7 | 39.2 | 25.3 | 16.0 | 36.4 |
| Highest Mean Temperature (F) | 22.7 | 27.2 | 31.1 | 41.0 | 48.2 | 57.3 | 62.6 | 63.5 | 54.0 | 44.1 | 33.3 | 23.3 | 63.5 |
| Year Highest Occurred | 1999 | 1995 | 1972 | 1992 | 2000 | 1977 | 1998 | 2000 | 1990 | 1988 | 1999 | 1980 | 2000 |
| Lowest Mean Temperature (F) | 6.7 | 10.2 | 19.7 | 27.5 | 38.8 | 47.7 | 55.1 | 53.4 | 45.3 | 34.3 | 17.1 | 8.8 | 6.7 |
| Year Lowest Occurred | 1979 | 1985 | 1978 | 1975 | 1995 | 1998 | 1993 | 1975 | 1986 | 1984 | 2000 | 1992 | 1979 |
| Mean Min. Temperature (F) | 2.2 | 3.9 | 10.5 | 18.3 | 27.0 | 33.2 | 40.3 | 38.0 | 31.0 | 21.6 | 11.3 | 2.3 | 20.0 |
| Highest Mean Min. Temperature (F) | 11.9 | 14.3 | 16.0 | 23.0 | 31.3 | 37.3 | 43.7 | 46.0 | 36.8 | 27.4 | 16.7 | 10.8 | 46.0 |
| Year Highest Occurred | 2000 | 2000 | 1995 | 1992 | 2000 | 1988 | 1998 | 2000 | 1998 | 1972 | 1995 | 1995 | 2000 |
| Lowest Mean Min. Temperature (F) | -6.6 | -6.6 | 3.0 | 14.1 | 23.0 | 30.5 | 34.2 | 33.9 | 26.4 | 17.1 | 3.2 | -6.7 | -6.7 |
| Year Lowest Occurred | 1973 | 1985 | 1978 | 1982 | 1990 | 1998 | 1993 | 1975 | 1971 | 1995 | 2000 | 1990 | 1990 |
| Mean Precipitation (in.) | 1545. | 1298. | 1237. | 930. | 662. | 382. | 179. | 238. | 458. | 802. | 1191. | 1519. | 10441. |
| Highest Precipitation (in.) | 0. | 0. | 0. | 0. | 0. | 1. | 7. | 5. | 0. | 0. | 0. | 0. | 13. |
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | |||||||||||||
| Cooling Degree Days (F) |