| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 41.1 | 48.6 | 56.5 | 65.8 | 75.0 | 85.8 | 91.8 | 90.4 | 81.6 | 68.8 | 52.2 | 43.4 | 66.8 |
| Highest Mean Max. Temperature (F) | 49.6 | 57.2 | 65.9 | 74.6 | 81.4 | 92.3 | 98.0 | 97.6 | 89.4 | 76.3 | 64.5 | 53.3 | 98.0 |
| Year Highest Occurred | 1981 | 1999 | 1972 | 1981 | 1985 | 1988 | 1974 | 1983 | 1979 | 1979 | 1999 | 1980 | 1974 |
| Lowest Mean Max. Temperature (F) | 25.7 | 34.7 | 48.7 | 54.2 | 64.3 | 78.6 | 84.8 | 84.4 | 74.9 | 62.0 | 38.9 | 25.5 | 25.5 |
| Year Lowest Occurred | 1979 | 1989 | 1998 | 1983 | 1995 | 1982 | 1992 | 1996 | 1973 | 1984 | 1985 | 1983 | 1983 |
| Mean Temperature (F) | 27.4 | 33.9 | 41.1 | 49.8 | 59.8 | 70.0 | 76.1 | 74.4 | 64.5 | 51.9 | 37.9 | 29.5 | 51.4 |
| Highest Mean Temperature (F) | 33.1 | 42.2 | 48.2 | 58.0 | 65.1 | 75.0 | 80.2 | 80.8 | 70.2 | 56.5 | 45.4 | 36.9 | 80.8 |
| Year Highest Occurred | 1999 | 1992 | 1986 | 1981 | 1977 | 1988 | 1974 | 1983 | 1990 | 1979 | 1999 | 1980 | 1983 |
| Lowest Mean Temperature (F) | 13.5 | 22.8 | 34.7 | 42.7 | 53.5 | 64.4 | 71.4 | 70.5 | 59.0 | 47.2 | 28.8 | 14.5 | 13.5 |
| Year Lowest Occurred | 1979 | 1989 | 1975 | 1983 | 1995 | 1982 | 1992 | 1977 | 1999 | 1976 | 1985 | 1983 | 1979 |
| Mean Min. Temperature (F) | 13.6 | 19.1 | 25.7 | 33.8 | 44.5 | 54.1 | 60.3 | 58.4 | 47.4 | 35.0 | 23.6 | 15.6 | 35.9 |
| Highest Mean Min. Temperature (F) | 20.6 | 29.6 | 32.7 | 41.4 | 51.2 | 57.9 | 64.0 | 64.0 | 53.3 | 38.9 | 29.5 | 22.3 | 64.0 |
| Year Highest Occurred | 1986 | 1992 | 1986 | 1981 | 1977 | 1996 | 1980 | 1983 | 1998 | 2000 | 1983 | 1991 | 1983 |
| Lowest Mean Min. Temperature (F) | 1.3 | 10.3 | 17.7 | 29.1 | 40.7 | 50.0 | 55.7 | 54.0 | 42.2 | 28.6 | 17.7 | 3.5 | 1.3 |
| Year Lowest Occurred | 1979 | 1978 | 1975 | 1988 | 1983 | 1985 | 1972 | 1975 | 1993 | 1991 | 2000 | 1983 | 1979 |
| Mean Precipitation (in.) | 0.38 | 0.35 | 1.32 | 1.63 | 3.38 | 2.57 | 2.27 | 2.23 | 1.30 | 0.94 | 0.58 | 0.29 | 17.24 |
| Highest Precipitation (in.) | 1.79 | 1.05 | 4.12 | 3.86 | 7.20 | 8.19 | 6.78 | 6.03 | 4.88 | 3.18 | 1.88 | 1.12 | 8.19 |
| Year Highest Occurred | 1994 | 1984 | 1977 | 1977 | 1987 | 1992 | 1988 | 1999 | 1996 | 1997 | 1972 | 1979 | 1992 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.05 | 0.07 | 0.43 | 0.36 | 0.61 | 0.65 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1999 | 1998 | 1984 | 1989 | 1994 | 2000 | 1991 | 1984 | 1983 | 1988 | 1999 | 2000 | 1999 |
| Heating Degree Days (F) | 1168. | 873. | 742. | 458. | 198. | 35. | 1. | 7. | 109. | 408. | 813. | 1099. | 5911. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 3. | 35. | 184. | 344. | 298. | 94. | 1. | 0. | 0. | 959. |