| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 32.0 | 35.7 | 44.3 | 53.7 | 63.8 | 74.1 | 80.6 | 79.7 | 70.8 | 58.9 | 41.7 | 33.5 | 55.7 |
| Highest Mean Max. Temperature (F) | 38.1 | 43.5 | 53.0 | 62.1 | 69.1 | 80.4 | 86.0 | 83.2 | 77.7 | 67.2 | 53.3 | 43.9 | 86.0 |
| Year Highest Occurred | 1986 | 1991 | 1986 | 1992 | 1994 | 1988 | 1988 | 1971 | 1979 | 1988 | 1999 | 1980 | 1988 |
| Lowest Mean Max. Temperature (F) | 20.4 | 20.8 | 36.7 | 44.8 | 57.5 | 66.8 | 75.0 | 74.8 | 62.5 | 48.8 | 31.6 | 25.1 | 20.4 |
| Year Lowest Occurred | 1979 | 1993 | 1973 | 1983 | 1995 | 1998 | 1993 | 1984 | 1986 | 1984 | 2000 | 1978 | 1979 |
| Mean Temperature (F) | 22.0 | 24.7 | 32.5 | 40.3 | 49.1 | 58.2 | 64.2 | 63.2 | 54.9 | 44.9 | 30.7 | 23.1 | 42.3 |
| Highest Mean Temperature (F) | 27.7 | 32.0 | 39.3 | 47.4 | 53.9 | 63.8 | 68.5 | 66.1 | 59.3 | 52.1 | 38.3 | 32.9 | 68.5 |
| Year Highest Occurred | 1999 | 1995 | 1986 | 1992 | 1992 | 1988 | 1988 | 2000 | 1979 | 1988 | 1995 | 1980 | 1988 |
| Lowest Mean Temperature (F) | 10.2 | 11.9 | 26.0 | 32.8 | 44.7 | 53.1 | 58.8 | 59.5 | 49.7 | 37.0 | 22.3 | 14.2 | 10.2 |
| Year Lowest Occurred | 1979 | 1993 | 1973 | 1975 | 1983 | 1975 | 1993 | 1993 | 1986 | 1984 | 2000 | 1978 | 1979 |
| Mean Min. Temperature (F) | 11.9 | 13.7 | 20.7 | 26.8 | 34.4 | 42.2 | 47.8 | 46.6 | 39.0 | 30.9 | 19.6 | 12.7 | 28.9 |
| Highest Mean Min. Temperature (F) | 19.3 | 21.6 | 25.9 | 32.7 | 38.7 | 47.1 | 51.6 | 50.8 | 43.8 | 37.0 | 26.7 | 21.9 | 51.6 |
| Year Highest Occurred | 1971 | 1995 | 1992 | 1992 | 1992 | 1988 | 1998 | 2000 | 1990 | 1988 | 1995 | 1980 | 1998 |
| Lowest Mean Min. Temperature (F) | -0.1 | 2.1 | 13.8 | 20.4 | 30.1 | 38.4 | 42.6 | 42.0 | 33.6 | 25.2 | 13.0 | 3.4 | -0.1 |
| Year Lowest Occurred | 1979 | 1973 | 1977 | 1975 | 1975 | 1976 | 1993 | 1974 | 1971 | 1984 | 2000 | 1978 | 1979 |
| Mean Precipitation (in.) | 0.44 | 0.37 | 0.51 | 0.95 | 1.25 | 0.96 | 0.94 | 0.87 | 1.07 | 0.92 | 0.61 | 0.42 | 9.31 |
| Highest Precipitation (in.) | 1.80 | 1.21 | 1.66 | 2.59 | 2.70 | 3.67 | 2.46 | 2.97 | 3.87 | 2.19 | 1.71 | 1.50 | 3.87 |
| Year Highest Occurred | 1996 | 1989 | 1983 | 1999 | 1995 | 1998 | 1973 | 1983 | 1982 | 1972 | 1985 | 1996 | 1982 |
| Lowest Precipitation (in.) | 0.05 | 0.05 | 0.06 | 0.16 | 0.20 | 0.02 | 0.06 | 0.04 | 0.03 | 0.02 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1985 | 1991 | 1972 | 1975 | 1974 | 1981 | 2000 | 1974 | 1979 | 1988 | 1976 | 1976 | 1976 |
| Heating Degree Days (F) | 1334. | 1129. | 1008. | 742. | 492. | 226. | 78. | 96. | 308. | 622. | 1031. | 1298. | 8364. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 20. | 52. | 40. | 4. | 0. | 0. | 0. | 116. |