| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 40.3 | 44.8 | 51.9 | 59.8 | 70.3 | 82.0 | 86.8 | 84.1 | 76.6 | 65.0 | 50.3 | 41.1 | 62.8 |
| Highest Mean Max. Temperature (F) | 48.8 | 52.6 | 61.6 | 70.0 | 77.6 | 86.7 | 90.8 | 87.1 | 82.0 | 72.0 | 60.0 | 49.7 | 90.8 |
| Year Highest Occurred | 1986 | 1995 | 1989 | 1989 | 1984 | 1990 | 1980 | 1985 | 1979 | 1988 | 1999 | 1980 | 1980 |
| Lowest Mean Max. Temperature (F) | 32.7 | 39.4 | 41.8 | 51.7 | 65.0 | 78.0 | 82.4 | 80.1 | 70.3 | 56.5 | 43.1 | 34.5 | 32.7 |
| Year Lowest Occurred | 1979 | 1973 | 1973 | 1973 | 1975 | 1992 | 1986 | 1971 | 1974 | 1984 | 2000 | 1990 | 1979 |
| Mean Temperature (F) | 28.9 | 33.6 | 40.2 | 47.1 | 56.5 | 67.0 | 72.5 | 70.6 | 63.2 | 51.9 | 39.0 | 30.2 | 50.1 |
| Highest Mean Temperature (F) | 37.2 | 41.6 | 46.5 | 55.2 | 62.6 | 71.2 | 75.0 | 73.7 | 66.0 | 57.7 | 47.5 | 37.5 | 75.0 |
| Year Highest Occurred | 1986 | 1995 | 1989 | 1989 | 1996 | 1994 | 1989 | 1994 | 1998 | 1988 | 1999 | 1980 | 1989 |
| Lowest Mean Temperature (F) | 21.1 | 27.0 | 33.9 | 39.2 | 50.7 | 61.5 | 69.3 | 67.4 | 58.6 | 44.9 | 33.4 | 23.6 | 21.1 |
| Year Lowest Occurred | 1979 | 1974 | 1973 | 1975 | 1975 | 1975 | 1992 | 1976 | 1971 | 1984 | 2000 | 1978 | 1979 |
| Mean Min. Temperature (F) | 17.4 | 22.4 | 28.5 | 34.4 | 42.6 | 51.9 | 58.1 | 57.0 | 49.7 | 38.7 | 27.7 | 19.3 | 37.3 |
| Highest Mean Min. Temperature (F) | 25.5 | 30.6 | 33.8 | 40.3 | 47.8 | 56.1 | 61.0 | 60.3 | 54.4 | 43.4 | 34.9 | 25.3 | 61.0 |
| Year Highest Occurred | 1986 | 1995 | 1986 | 1989 | 1996 | 1996 | 1985 | 1994 | 1997 | 1988 | 1999 | 1980 | 1985 |
| Lowest Mean Min. Temperature (F) | 8.8 | 12.2 | 20.0 | 26.1 | 36.4 | 44.0 | 53.2 | 52.1 | 44.9 | 30.3 | 21.2 | 10.4 | 8.8 |
| Year Lowest Occurred | 1976 | 1985 | 1976 | 1975 | 1975 | 1975 | 1976 | 1976 | 1976 | 1976 | 1975 | 1978 | 1976 |
| Mean Precipitation (in.) | 0.92 | 0.41 | 0.56 | 0.37 | 0.46 | 0.29 | 1.40 | 1.40 | 1.04 | 1.01 | 0.72 | 0.84 | 9.42 |
| Highest Precipitation (in.) | 3.43 | 1.20 | 2.34 | 3.53 | 2.40 | 1.77 | 5.03 | 4.96 | 3.52 | 4.77 | 2.90 | 6.14 | 6.14 |
| Year Highest Occurred | 1973 | 1989 | 1981 | 1988 | 1976 | 1988 | 1983 | 1984 | 1990 | 1972 | 1978 | 1972 | 1972 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 2000 | 1999 | 2000 | 2000 | 2000 | 2000 | 2000 | 2000 | 2000 | 1999 | 2000 | 2000 | 2000 |
| Heating Degree Days (F) | 1121. | 881. | 768. | 539. | 283. | 57. | 2. | 6. | 105. | 413. | 779. | 1079. | 6033. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 1. | 18. | 115. | 232. | 178. | 50. | 4. | 0. | 0. | 598. |