| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 41.7 | 49.4 | 58.6 | 68.2 | 77.8 | 89.0 | 92.8 | 90.1 | 81.8 | 69.2 | 53.6 | 43.2 | 68.0 |
| Highest Mean Max. Temperature (F) | 50.3 | 57.9 | 67.3 | 74.8 | 85.7 | 96.7 | 96.6 | 95.1 | 86.5 | 74.5 | 61.9 | 52.0 | 96.7 |
| Year Highest Occurred | 1981 | 1995 | 1972 | 1989 | 1974 | 1974 | 1975 | 1974 | 2000 | 1988 | 1999 | 1980 | 1974 |
| Lowest Mean Max. Temperature (F) | 32.0 | 40.3 | 52.2 | 59.7 | 70.7 | 83.1 | 87.6 | 86.0 | 77.0 | 61.4 | 47.2 | 33.5 | 32.0 |
| Year Lowest Occurred | 1979 | 1974 | 1973 | 1983 | 1981 | 1979 | 1979 | 1999 | 1985 | 1984 | 2000 | 1978 | 1979 |
| Mean Temperature (F) | 31.4 | 37.9 | 45.7 | 53.8 | 63.1 | 73.5 | 78.4 | 76.2 | 67.7 | 55.1 | 41.9 | 32.4 | 54.8 |
| Highest Mean Temperature (F) | 38.5 | 44.9 | 51.3 | 60.7 | 69.9 | 77.9 | 81.6 | 79.8 | 71.9 | 60.0 | 46.5 | 38.4 | 81.6 |
| Year Highest Occurred | 1999 | 1995 | 1989 | 1992 | 2000 | 2000 | 2000 | 2000 | 2000 | 1988 | 1991 | 1980 | 2000 |
| Lowest Mean Temperature (F) | 22.3 | 27.8 | 41.1 | 48.2 | 58.3 | 68.3 | 72.5 | 70.7 | 63.2 | 49.7 | 37.1 | 22.6 | 22.3 |
| Year Lowest Occurred | 1979 | 1974 | 1979 | 1983 | 1995 | 1979 | 1979 | 1979 | 1985 | 1984 | 1979 | 1978 | 1979 |
| Mean Min. Temperature (F) | 21.1 | 26.3 | 32.7 | 39.3 | 48.4 | 57.9 | 63.9 | 62.2 | 53.6 | 40.9 | 30.2 | 21.5 | 41.5 |
| Highest Mean Min. Temperature (F) | 30.5 | 32.7 | 39.1 | 46.9 | 54.7 | 63.9 | 67.9 | 66.7 | 57.7 | 45.5 | 38.0 | 29.2 | 67.9 |
| Year Highest Occurred | 1993 | 1992 | 1992 | 1992 | 1996 | 2000 | 1994 | 2000 | 1998 | 1988 | 1991 | 1991 | 1994 |
| Lowest Mean Min. Temperature (F) | 12.5 | 15.3 | 26.8 | 34.6 | 44.2 | 51.3 | 57.3 | 55.2 | 48.2 | 35.1 | 24.7 | 11.7 | 11.7 |
| Year Lowest Occurred | 1979 | 1974 | 1977 | 1979 | 1979 | 1975 | 1979 | 1979 | 1979 | 1973 | 1976 | 1978 | 1978 |
| Mean Precipitation (in.) | 0.73 | 0.43 | 0.65 | 0.44 | 0.62 | 0.24 | 0.96 | 1.12 | 0.72 | 1.01 | 0.59 | 0.57 | 8.08 |
| Highest Precipitation (in.) | 2.85 | 1.14 | 1.98 | 1.51 | 1.85 | 1.14 | 2.52 | 3.89 | 3.01 | 4.79 | 2.77 | 2.09 | 4.79 |
| Year Highest Occurred | 1997 | 1975 | 1983 | 1985 | 1992 | 1973 | 1999 | 1997 | 1976 | 1996 | 1978 | 1978 | 1996 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.04 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1994 | 1999 | 1999 | 2000 | 1998 | 1998 | 1994 | 1975 | 2000 | 1999 | 1999 | 1999 | 1994 |
| Heating Degree Days (F) | 1042. | 761. | 600. | 346. | 137. | 14. | 0. | 1. | 46. | 318. | 694. | 1011. | 4970. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 8. | 78. | 267. | 414. | 346. | 127. | 9. | 0. | 0. | 1249. |