| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 43.8 | 47.3 | 53.6 | 61.6 | 71.3 | 81.0 | 82.6 | 79.5 | 74.3 | 64.8 | 52.6 | 44.5 | 63.1 |
| Highest Mean Max. Temperature (F) | 51.5 | 54.4 | 61.5 | 68.6 | 78.4 | 86.6 | 85.3 | 83.4 | 78.6 | 70.8 | 62.5 | 55.8 | 86.6 |
| Year Highest Occurred | 1986 | 1999 | 1972 | 1989 | 1996 | 1994 | 1978 | 1994 | 1998 | 1979 | 1999 | 1980 | 1994 |
| Lowest Mean Max. Temperature (F) | 38.5 | 41.0 | 45.2 | 52.4 | 66.8 | 77.1 | 79.3 | 76.5 | 68.4 | 54.3 | 44.8 | 38.8 | 38.5 |
| Year Lowest Occurred | 1973 | 1973 | 1973 | 1973 | 1982 | 1979 | 1999 | 1984 | 1975 | 1984 | 1972 | 1971 | 1973 |
| Mean Temperature (F) | 29.6 | 32.7 | 37.9 | 43.8 | 52.4 | 61.5 | 65.6 | 63.7 | 58.2 | 48.0 | 37.2 | 30.1 | 46.7 |
| Highest Mean Temperature (F) | 33.5 | 37.6 | 41.4 | 49.4 | 57.8 | 66.8 | 68.3 | 66.7 | 62.0 | 52.1 | 42.5 | 38.1 | 68.3 |
| Year Highest Occurred | 1986 | 1996 | 1989 | 1989 | 2000 | 1990 | 1972 | 1994 | 1997 | 1979 | 1999 | 1980 | 1972 |
| Lowest Mean Temperature (F) | 25.4 | 28.1 | 33.5 | 37.2 | 47.5 | 57.7 | 63.6 | 61.8 | 55.2 | 41.4 | 32.3 | 25.3 | 25.3 |
| Year Lowest Occurred | 1976 | 1975 | 1977 | 1973 | 1971 | 1983 | 1992 | 1984 | 1985 | 1984 | 2000 | 1971 | 1971 |
| Mean Min. Temperature (F) | 15.3 | 18.0 | 22.2 | 26.0 | 33.5 | 42.0 | 48.5 | 47.9 | 42.0 | 31.2 | 21.7 | 15.6 | 30.3 |
| Highest Mean Min. Temperature (F) | 23.1 | 23.6 | 25.9 | 30.8 | 38.0 | 46.9 | 51.9 | 50.2 | 46.5 | 39.4 | 26.2 | 21.9 | 51.9 |
| Year Highest Occurred | 1980 | 1996 | 1978 | 1976 | 1984 | 1990 | 1972 | 1995 | 1997 | 1972 | 1978 | 1983 | 1972 |
| Lowest Mean Min. Temperature (F) | 8.1 | 11.5 | 16.8 | 19.7 | 25.1 | 36.7 | 45.2 | 45.4 | 38.8 | 27.6 | 17.1 | 10.8 | 8.1 |
| Year Lowest Occurred | 1976 | 1972 | 1977 | 1971 | 1971 | 1975 | 1987 | 1978 | 1986 | 1980 | 1992 | 1974 | 1976 |
| Mean Precipitation (in.) | 0.81 | 1.12 | 1.01 | 0.73 | 0.52 | 0.50 | 2.53 | 3.13 | 2.02 | 0.99 | 0.85 | 0.90 | 15.11 |
| Highest Precipitation (in.) | 2.93 | 4.27 | 2.42 | 1.52 | 2.97 | 1.49 | 4.86 | 4.73 | 5.28 | 4.27 | 1.68 | 2.44 | 5.28 |
| Year Highest Occurred | 1993 | 1978 | 1981 | 1973 | 1979 | 1979 | 1998 | 1993 | 1972 | 1972 | 1979 | 1975 | 1972 |
| Lowest Precipitation (in.) | 0.02 | 0.02 | 0.00 | 0.02 | 0.00 | 0.00 | 0.84 | 0.91 | 0.45 | 0.00 | 0.03 | 0.00 | 0.00 |
| Year Lowest Occurred | 1986 | 1984 | 1972 | 1972 | 1974 | 1982 | 1978 | 1975 | 2000 | 1982 | 1989 | 1981 | 1972 |
| Heating Degree Days (F) | 1099. | 905. | 841. | 636. | 392. | 133. | 36. | 68. | 209. | 528. | 837. | 1083. | 6767. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 1. | 28. | 52. | 27. | 3. | 0. | 0. | 0. | 111. |