| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 40.5 | 46.2 | 53.9 | 62.3 | 71.6 | 83.4 | 88.7 | 86.9 | 78.8 | 67.5 | 50.9 | 42.6 | 64.4 |
| Highest Mean Max. Temperature (F) | 51.1 | 55.8 | 61.8 | 70.4 | 77.4 | 87.7 | 94.3 | 93.1 | 86.2 | 73.3 | 63.2 | 51.2 | 94.3 |
| Year Highest Occurred | 1981 | 1999 | 1972 | 1981 | 1974 | 1990 | 1980 | 1983 | 1981 | 1975 | 1999 | 1980 | 1980 |
| Lowest Mean Max. Temperature (F) | 26.6 | 33.2 | 47.2 | 55.0 | 63.0 | 75.6 | 82.5 | 78.9 | 72.9 | 59.3 | 38.9 | 26.5 | 26.5 |
| Year Lowest Occurred | 1979 | 1978 | 1980 | 1984 | 1995 | 1982 | 1992 | 1992 | 1973 | 1984 | 1985 | 1983 | 1983 |
| Mean Temperature (F) | 26.4 | 31.5 | 38.9 | 47.2 | 57.5 | 68.3 | 73.5 | 71.6 | 62.8 | 51.1 | 36.6 | 28.5 | 49.5 |
| Highest Mean Temperature (F) | 35.0 | 38.3 | 43.6 | 54.5 | 61.7 | 72.1 | 77.4 | 76.3 | 68.2 | 53.9 | 45.4 | 34.8 | 77.4 |
| Year Highest Occurred | 1986 | 2000 | 1972 | 1981 | 1998 | 1988 | 1980 | 1983 | 1981 | 1979 | 1999 | 1980 | 1980 |
| Lowest Mean Temperature (F) | 13.7 | 20.3 | 33.6 | 41.3 | 52.4 | 62.6 | 69.1 | 66.7 | 58.1 | 46.2 | 27.5 | 14.0 | 13.7 |
| Year Lowest Occurred | 1979 | 1978 | 1980 | 1983 | 1983 | 1982 | 1992 | 1992 | 1993 | 1984 | 1985 | 1983 | 1979 |
| Mean Min. Temperature (F) | 12.2 | 16.7 | 23.8 | 32.0 | 43.3 | 53.1 | 58.2 | 56.2 | 46.7 | 34.7 | 22.3 | 14.3 | 34.5 |
| Highest Mean Min. Temperature (F) | 20.5 | 25.8 | 29.6 | 38.6 | 47.9 | 57.3 | 61.0 | 61.1 | 50.9 | 38.8 | 28.7 | 20.7 | 61.1 |
| Year Highest Occurred | 1986 | 1992 | 2000 | 1981 | 1977 | 1994 | 1999 | 1995 | 1998 | 2000 | 1995 | 1999 | 1995 |
| Lowest Mean Min. Temperature (F) | 0.8 | 7.5 | 18.9 | 27.5 | 38.0 | 49.1 | 54.7 | 52.7 | 42.3 | 30.3 | 16.2 | 1.4 | 0.8 |
| Year Lowest Occurred | 1979 | 1978 | 1975 | 1983 | 1983 | 1998 | 1994 | 1974 | 1974 | 1976 | 1985 | 1983 | 1979 |
| Mean Precipitation (in.) | 0.59 | 0.38 | 0.89 | 1.56 | 3.46 | 2.40 | 2.82 | 1.85 | 0.85 | 0.80 | 0.66 | 0.29 | 16.55 |
| Highest Precipitation (in.) | 1.91 | 1.47 | 4.54 | 3.26 | 6.01 | 4.72 | 7.16 | 5.46 | 2.43 | 2.86 | 1.65 | 1.19 | 7.16 |
| Year Highest Occurred | 1980 | 1986 | 1981 | 1984 | 1982 | 1999 | 1992 | 1999 | 1973 | 1993 | 1991 | 1991 | 1992 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.49 | 0.35 | 0.66 | 0.99 | 0.29 | 0.12 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1998 | 1994 | 1997 | 1981 | 1992 | 1998 | 1988 | 1994 | 1978 | 1988 | 1989 | 1996 | 1998 |
| Heating Degree Days (F) | 1198. | 940. | 811. | 535. | 253. | 45. | 2. | 14. | 130. | 432. | 852. | 1134. | 6346. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 18. | 143. | 263. | 216. | 62. | 0. | 0. | 0. | 702. |