| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 37.2 | 43.2 | 50.0 | 57.8 | 66.2 | 74.2 | 82.7 | 81.6 | 73.5 | 61.8 | 46.1 | 37.2 | 59.3 |
| Highest Mean Max. Temperature (F) | 46.7 | 53.0 | 58.5 | 67.6 | 77.0 | 80.8 | 88.4 | 87.0 | 80.1 | 69.6 | 55.3 | 43.4 | 88.4 |
| Year Highest Occurred | 1998 | 1995 | 1992 | 1987 | 1992 | 1986 | 1988 | 1986 | 1987 | 1987 | 1995 | 1975 | 1988 |
| Lowest Mean Max. Temperature (F) | 28.0 | 31.3 | 42.8 | 45.9 | 57.9 | 68.2 | 72.8 | 71.5 | 65.2 | 53.5 | 37.6 | 26.0 | 26.0 |
| Year Lowest Occurred | 1985 | 1993 | 1985 | 1975 | 1977 | 1984 | 1993 | 1976 | 1985 | 1984 | 1985 | 1985 | 1985 |
| Mean Temperature (F) | 27.5 | 32.7 | 38.3 | 44.6 | 52.4 | 59.4 | 66.2 | 65.0 | 56.4 | 46.3 | 35.4 | 27.8 | 46.0 |
| Highest Mean Temperature (F) | 35.8 | 39.7 | 43.7 | 51.4 | 58.3 | 64.7 | 71.4 | 69.2 | 62.1 | 52.1 | 42.9 | 34.2 | 71.4 |
| Year Highest Occurred | 1998 | 1995 | 1978 | 1990 | 1992 | 1977 | 1985 | 1986 | 1990 | 1988 | 1995 | 1975 | 1985 |
| Lowest Mean Temperature (F) | 17.3 | 21.8 | 32.3 | 36.4 | 46.8 | 54.9 | 57.4 | 60.5 | 50.1 | 42.7 | 26.8 | 10.1 | 10.1 |
| Year Lowest Occurred | 1979 | 1989 | 1985 | 1975 | 1977 | 1976 | 1993 | 1976 | 1985 | 1984 | 1985 | 1985 | 1985 |
| Mean Min. Temperature (F) | 17.7 | 22.2 | 26.6 | 31.3 | 38.6 | 44.5 | 49.7 | 48.3 | 39.3 | 30.7 | 24.6 | 18.4 | 32.7 |
| Highest Mean Min. Temperature (F) | 25.8 | 28.4 | 31.3 | 35.9 | 42.1 | 49.6 | 58.0 | 52.7 | 45.2 | 35.6 | 32.7 | 26.5 | 58.0 |
| Year Highest Occurred | 1978 | 1987 | 1972 | 1990 | 1997 | 1988 | 1985 | 1977 | 1990 | 1988 | 1973 | 1973 | 1985 |
| Lowest Mean Min. Temperature (F) | 4.8 | 12.1 | 21.0 | 26.3 | 35.4 | 40.8 | 42.0 | 42.5 | 34.4 | 26.4 | 14.8 | 8.4 | 4.8 |
| Year Lowest Occurred | 1977 | 1989 | 1976 | 1982 | 1982 | 1980 | 1993 | 1995 | 1971 | 1987 | 1993 | 1985 | 1977 |
| Mean Precipitation (in.) | 0.98 | 0.75 | 1.11 | 0.94 | 1.17 | 0.83 | 0.44 | 0.59 | 0.55 | 0.73 | 1.11 | 0.94 | 10.14 |
| Highest Precipitation (in.) | 2.93 | 1.64 | 3.84 | 2.23 | 3.73 | 2.40 | 1.27 | 4.00 | 1.40 | 2.47 | 3.04 | 2.90 | 4.00 |
| Year Highest Occurred | 1997 | 2000 | 1983 | 1978 | 1991 | 1991 | 1974 | 1976 | 1998 | 2000 | 1998 | 1995 | 1976 |
| Lowest Precipitation (in.) | 0.07 | 0.13 | 0.05 | 0.00 | 0.17 | 0.07 | 0.00 | 0.00 | 0.00 | 0.00 | 0.10 | 0.05 | 0.00 |
| Year Lowest Occurred | 1985 | 1977 | 1988 | 1977 | 1992 | 1974 | 1996 | 2000 | 1999 | 1988 | 1974 | 1990 | 1977 |
| Heating Degree Days (F) | 1164. | 904. | 827. | 614. | 393. | 198. | 79. | 74. | 273. | 582. | 889. | 1161. | 7158. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 1. | 28. | 117. | 72. | 16. | 0. | 0. | 0. | 234. |