| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 39.6 | 44.2 | 52.1 | 60.5 | 69.9 | 80.7 | 84.5 | 81.9 | 75.7 | 65.0 | 50.7 | 41.6 | 62.2 |
| Highest Mean Max. Temperature (F) | 50.5 | 53.3 | 59.6 | 70.4 | 81.3 | 86.9 | 88.5 | 87.0 | 79.9 | 69.6 | 60.0 | 51.0 | 88.5 |
| Year Highest Occurred | 1986 | 1995 | 1989 | 2000 | 2000 | 1990 | 1980 | 1994 | 1983 | 1979 | 1999 | 1980 | 1980 |
| Lowest Mean Max. Temperature (F) | 32.2 | 37.7 | 44.9 | 53.0 | 64.8 | 76.2 | 81.6 | 76.4 | 72.0 | 55.0 | 41.5 | 34.9 | 32.2 |
| Year Lowest Occurred | 1979 | 1973 | 1973 | 1973 | 1978 | 1983 | 1986 | 1974 | 1986 | 1984 | 1972 | 1992 | 1979 |
| Mean Temperature (F) | 25.2 | 31.1 | 38.5 | 45.3 | 54.1 | 63.6 | 68.3 | 66.7 | 60.0 | 49.2 | 36.2 | 27.2 | 47.1 |
| Highest Mean Temperature (F) | 34.1 | 38.6 | 43.0 | 50.6 | 60.9 | 68.1 | 71.6 | 69.8 | 63.8 | 52.5 | 40.4 | 36.3 | 71.6 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 2000 | 2000 | 1990 | 1980 | 1994 | 1990 | 1979 | 1981 | 1980 | 1980 |
| Lowest Mean Temperature (F) | 18.1 | 24.0 | 33.6 | 40.0 | 50.1 | 60.0 | 65.8 | 62.7 | 57.6 | 43.9 | 30.5 | 20.7 | 18.1 |
| Year Lowest Occurred | 1992 | 1979 | 1977 | 1973 | 1978 | 1983 | 1992 | 1974 | 1988 | 1984 | 1972 | 1992 | 1992 |
| Mean Min. Temperature (F) | 10.7 | 17.9 | 24.9 | 30.1 | 38.2 | 46.4 | 52.0 | 51.4 | 44.3 | 33.3 | 21.7 | 12.8 | 32.0 |
| Highest Mean Min. Temperature (F) | 22.7 | 23.8 | 28.0 | 34.6 | 41.6 | 50.3 | 54.9 | 54.2 | 48.2 | 41.1 | 29.6 | 21.5 | 54.9 |
| Year Highest Occurred | 1980 | 1995 | 1990 | 1981 | 1996 | 1981 | 1981 | 1977 | 1990 | 1972 | 1978 | 1980 | 1981 |
| Lowest Mean Min. Temperature (F) | 1.2 | 9.4 | 19.2 | 25.5 | 33.2 | 43.3 | 49.2 | 47.5 | 41.0 | 28.2 | 14.9 | 3.2 | 1.2 |
| Year Lowest Occurred | 1992 | 1979 | 1977 | 1998 | 1975 | 1975 | 1995 | 1989 | 1993 | 1995 | 2000 | 1976 | 1992 |
| Mean Precipitation (in.) | 0.58 | 0.55 | 0.82 | 0.82 | 1.19 | 0.97 | 1.43 | 1.90 | 1.33 | 1.19 | 0.89 | 0.63 | 12.30 |
| Highest Precipitation (in.) | 1.75 | 1.52 | 2.73 | 2.18 | 3.78 | 2.82 | 3.15 | 6.12 | 2.78 | 3.10 | 2.57 | 2.70 | 6.12 |
| Year Highest Occurred | 1979 | 1982 | 1985 | 1999 | 1995 | 2000 | 1982 | 1993 | 1975 | 1998 | 1994 | 1990 | 1993 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.02 | 0.00 | 0.00 | 0.01 | 0.31 | 0.26 | 0.21 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1998 | 1991 | 1971 | 1991 | 1996 | 1971 | 1994 | 1978 | 1979 | 1995 | 1999 | 2000 | 1998 |
| Heating Degree Days (F) | 1235. | 951. | 821. | 590. | 345. | 93. | 8. | 29. | 163. | 491. | 864. | 1172. | 6762. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 5. | 49. | 108. | 80. | 12. | 0. | 0. | 0. | 254. |