| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 43.2 | 47.2 | 53.7 | 60.9 | 70.5 | 82.1 | 88.0 | 86.0 | 77.4 | 66.0 | 51.5 | 44.1 | 64.2 |
| Highest Mean Max. Temperature (F) | 54.3 | 55.3 | 60.8 | 69.8 | 78.7 | 89.5 | 92.0 | 90.7 | 82.9 | 70.5 | 64.4 | 54.7 | 92.0 |
| Year Highest Occurred | 1986 | 1999 | 1972 | 1981 | 1974 | 1994 | 2000 | 1995 | 1994 | 1975 | 1999 | 1980 | 2000 |
| Lowest Mean Max. Temperature (F) | 30.2 | 32.3 | 45.1 | 51.3 | 59.3 | 74.7 | 84.0 | 82.2 | 71.6 | 55.1 | 40.3 | 27.9 | 27.9 |
| Year Lowest Occurred | 1979 | 1989 | 1983 | 1983 | 1995 | 1983 | 1992 | 1997 | 1985 | 1984 | 1985 | 1983 | 1983 |
| Mean Temperature (F) | 29.2 | 33.2 | 39.6 | 47.6 | 57.2 | 67.6 | 73.4 | 71.7 | 62.4 | 51.0 | 37.5 | 30.3 | 50.1 |
| Highest Mean Temperature (F) | 38.9 | 39.0 | 45.5 | 55.2 | 62.5 | 73.0 | 76.9 | 75.5 | 67.5 | 54.8 | 47.1 | 39.3 | 76.9 |
| Year Highest Occurred | 1986 | 2000 | 1986 | 1981 | 1994 | 1994 | 2000 | 1995 | 1998 | 1973 | 1999 | 1980 | 2000 |
| Lowest Mean Temperature (F) | 16.1 | 20.7 | 34.6 | 40.1 | 49.8 | 62.3 | 70.1 | 68.2 | 57.7 | 44.3 | 28.8 | 16.3 | 16.1 |
| Year Lowest Occurred | 1979 | 1989 | 1983 | 1983 | 1995 | 1983 | 1992 | 1992 | 1971 | 1984 | 1985 | 1983 | 1979 |
| Mean Min. Temperature (F) | 15.2 | 19.1 | 25.4 | 34.2 | 43.8 | 53.0 | 58.7 | 57.4 | 47.3 | 35.9 | 23.5 | 16.4 | 35.8 |
| Highest Mean Min. Temperature (F) | 23.6 | 24.7 | 30.4 | 40.6 | 48.0 | 56.9 | 61.8 | 60.6 | 52.1 | 39.2 | 29.8 | 24.2 | 61.8 |
| Year Highest Occurred | 1986 | 1992 | 1986 | 1981 | 1994 | 1988 | 1999 | 1983 | 1998 | 1973 | 1999 | 1975 | 1999 |
| Lowest Mean Min. Temperature (F) | 1.9 | 9.1 | 19.2 | 29.0 | 39.3 | 48.7 | 56.1 | 52.5 | 42.9 | 31.3 | 17.2 | 4.8 | 1.9 |
| Year Lowest Occurred | 1979 | 1989 | 1976 | 1983 | 1983 | 1998 | 1972 | 1978 | 1971 | 1976 | 1985 | 1983 | 1979 |
| Mean Precipitation (in.) | 0.51 | 0.49 | 1.28 | 1.93 | 2.32 | 1.56 | 2.16 | 1.82 | 1.14 | 0.99 | 0.98 | 0.63 | 15.81 |
| Highest Precipitation (in.) | 1.31 | 1.21 | 4.56 | 5.35 | 5.06 | 3.50 | 6.99 | 5.85 | 2.85 | 3.47 | 2.67 | 2.84 | 6.99 |
| Year Highest Occurred | 1973 | 1987 | 1983 | 1999 | 1973 | 1987 | 1998 | 1979 | 1973 | 1984 | 1991 | 1973 | 1998 |
| Lowest Precipitation (in.) | 0.12 | 0.07 | 0.18 | 0.34 | 0.06 | 0.09 | 0.50 | 0.16 | 0.01 | 0.06 | 0.15 | 0.03 | 0.01 |
| Year Lowest Occurred | 1998 | 1983 | 1982 | 1982 | 1974 | 1980 | 1994 | 1974 | 1992 | 1988 | 1989 | 1977 | 1992 |
| Heating Degree Days (F) | 1111. | 892. | 788. | 524. | 267. | 60. | 1. | 9. | 136. | 436. | 826. | 1078. | 6128. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 2. | 23. | 136. | 261. | 217. | 57. | 0. | 0. | 0. | 696. |