| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 36.6 | 44.0 | 53.4 | 62.4 | 73.2 | 84.8 | 90.5 | 88.0 | 78.5 | 64.8 | 48.1 | 37.8 | 63.5 |
| Highest Mean Max. Temperature (F) | 47.3 | 52.4 | 60.4 | 71.3 | 78.5 | 90.0 | 94.4 | 91.7 | 84.9 | 72.4 | 56.3 | 47.7 | 94.4 |
| Year Highest Occurred | 1981 | 1995 | 1972 | 1989 | 1974 | 1977 | 1994 | 1994 | 1979 | 1988 | 1995 | 1980 | 1994 |
| Lowest Mean Max. Temperature (F) | 25.9 | 38.1 | 47.0 | 55.1 | 65.6 | 78.2 | 86.8 | 82.9 | 71.7 | 56.4 | 40.3 | 31.2 | 25.9 |
| Year Lowest Occurred | 1973 | 1974 | 1973 | 1975 | 1995 | 1998 | 1992 | 1999 | 1986 | 1984 | 2000 | 1978 | 1973 |
| Mean Temperature (F) | 28.0 | 34.5 | 42.6 | 50.5 | 60.8 | 72.1 | 77.8 | 75.7 | 66.6 | 53.9 | 39.0 | 29.4 | 52.6 |
| Highest Mean Temperature (F) | 36.4 | 43.5 | 48.6 | 58.4 | 66.1 | 77.1 | 81.3 | 79.4 | 72.4 | 60.0 | 45.9 | 38.4 | 81.3 |
| Year Highest Occurred | 1981 | 1995 | 1972 | 1989 | 1974 | 1994 | 1996 | 1994 | 1979 | 1988 | 1999 | 1980 | 1996 |
| Lowest Mean Temperature (F) | 16.8 | 27.3 | 36.7 | 44.0 | 54.5 | 67.0 | 73.3 | 72.7 | 60.9 | 47.6 | 32.3 | 21.9 | 16.8 |
| Year Lowest Occurred | 1973 | 1974 | 1976 | 1975 | 1995 | 1998 | 1992 | 1999 | 1986 | 1984 | 2000 | 1978 | 1973 |
| Mean Min. Temperature (F) | 19.4 | 24.9 | 31.8 | 38.5 | 48.3 | 59.3 | 65.1 | 63.3 | 54.7 | 43.0 | 29.8 | 21.0 | 41.6 |
| Highest Mean Min. Temperature (F) | 28.1 | 34.6 | 36.8 | 45.5 | 54.0 | 64.4 | 68.6 | 67.3 | 60.0 | 47.9 | 36.1 | 29.0 | 68.6 |
| Year Highest Occurred | 2000 | 1995 | 1972 | 1989 | 1984 | 1994 | 2000 | 1998 | 1979 | 1978 | 1999 | 1980 | 2000 |
| Lowest Mean Min. Temperature (F) | 7.6 | 16.4 | 24.7 | 32.8 | 43.4 | 53.7 | 59.7 | 59.8 | 50.1 | 38.2 | 24.0 | 12.7 | 7.6 |
| Year Lowest Occurred | 1973 | 1974 | 1976 | 1975 | 1995 | 1992 | 1992 | 1989 | 1986 | 1982 | 1979 | 1978 | 1973 |
| Mean Precipitation (in.) | 0.60 | 0.40 | 0.86 | 0.81 | 0.82 | 0.41 | 0.97 | 0.77 | 0.88 | 1.31 | 0.75 | 0.55 | 9.13 |
| Highest Precipitation (in.) | 2.15 | 1.26 | 2.43 | 2.61 | 3.00 | 1.71 | 2.88 | 2.77 | 2.39 | 5.02 | 2.96 | 1.32 | 5.02 |
| Year Highest Occurred | 1978 | 1987 | 1980 | 1984 | 1995 | 1984 | 1975 | 1999 | 1997 | 1972 | 1978 | 1978 | 1972 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.02 | 0.01 | 0.00 | 0.03 | 0.00 | 0.03 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1975 | 1972 | 1972 | 2000 | 1974 | 1994 | 1979 | 1985 | 1978 | 1999 | 1999 | 1989 | 1975 |
| Heating Degree Days (F) | 1147. | 855. | 694. | 444. | 181. | 26. | 0. | 1. | 64. | 356. | 781. | 1104. | 5653. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 7. | 48. | 237. | 396. | 330. | 112. | 13. | 0. | 0. | 1143. |