| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 41.3 | 49.9 | 61.0 | 69.4 | 80.5 | 92.2 | 98.4 | 95.8 | 86.7 | 72.8 | 55.3 | 43.3 | 70.6 |
| Highest Mean Max. Temperature (F) | 50.3 | 61.3 | 69.5 | 76.9 | 85.6 | 98.1 | 102.5 | 99.8 | 92.8 | 79.8 | 63.9 | 52.1 | 102.5 |
| Year Highest Occurred | 1999 | 1995 | 1999 | 1992 | 1996 | 1994 | 1994 | 2000 | 1979 | 1988 | 1995 | 1995 | 1994 |
| Lowest Mean Max. Temperature (F) | 28.8 | 38.6 | 54.9 | 61.6 | 73.8 | 87.0 | 95.0 | 93.1 | 80.6 | 64.9 | 49.2 | 33.9 | 28.8 |
| Year Lowest Occurred | 1973 | 1979 | 1973 | 1975 | 1995 | 1995 | 1983 | 1999 | 1986 | 1984 | 1972 | 1978 | 1973 |
| Mean Temperature (F) | 30.1 | 37.8 | 47.9 | 55.4 | 65.6 | 76.2 | 82.6 | 80.8 | 71.1 | 57.3 | 42.9 | 32.4 | 56.7 |
| Highest Mean Temperature (F) | 38.3 | 46.4 | 53.5 | 62.7 | 69.5 | 80.9 | 85.5 | 85.0 | 74.8 | 62.3 | 47.5 | 38.4 | 85.5 |
| Year Highest Occurred | 2000 | 1995 | 1986 | 1992 | 1996 | 1994 | 1998 | 2000 | 1990 | 1988 | 1995 | 1980 | 1998 |
| Lowest Mean Temperature (F) | 17.6 | 26.0 | 43.3 | 49.1 | 60.7 | 71.6 | 79.0 | 78.0 | 66.8 | 52.1 | 36.8 | 24.0 | 17.6 |
| Year Lowest Occurred | 1973 | 1974 | 1977 | 1975 | 1995 | 1975 | 1987 | 1976 | 1971 | 1982 | 1979 | 1978 | 1973 |
| Mean Min. Temperature (F) | 18.9 | 25.7 | 34.8 | 41.3 | 50.6 | 60.2 | 66.8 | 65.7 | 55.5 | 41.8 | 30.4 | 21.4 | 42.8 |
| Highest Mean Min. Temperature (F) | 27.6 | 33.7 | 39.9 | 48.4 | 55.3 | 65.2 | 69.6 | 70.2 | 60.2 | 46.7 | 35.0 | 27.2 | 70.2 |
| Year Highest Occurred | 2000 | 1986 | 1986 | 1992 | 1985 | 1988 | 1990 | 2000 | 1990 | 1972 | 1985 | 1980 | 2000 |
| Lowest Mean Min. Temperature (F) | 6.4 | 13.3 | 29.0 | 36.5 | 46.1 | 55.2 | 61.8 | 61.8 | 50.0 | 36.7 | 24.3 | 14.1 | 6.4 |
| Year Lowest Occurred | 1973 | 1974 | 1977 | 1975 | 1975 | 1998 | 1987 | 1976 | 1987 | 1982 | 1979 | 1978 | 1973 |
| Mean Precipitation (in.) | 0.55 | 0.40 | 0.82 | 0.78 | 0.63 | 0.36 | 0.83 | 0.87 | 0.65 | 1.32 | 0.64 | 0.46 | 8.31 |
| Highest Precipitation (in.) | 2.48 | 1.67 | 1.87 | 2.24 | 2.46 | 1.60 | 2.39 | 1.81 | 2.15 | 3.62 | 1.71 | 0.98 | 3.62 |
| Year Highest Occurred | 1993 | 1993 | 1990 | 1984 | 1995 | 1995 | 1987 | 1991 | 1997 | 1972 | 1987 | 1984 | 1972 |
| Lowest Precipitation (in.) | 0.08 | 0.01 | 0.02 | 0.02 | 0.01 | 0.00 | 0.02 | 0.00 | 0.04 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1972 | 1985 | 1994 | 1982 | 1974 | 1988 | 1994 | 1985 | 1979 | 1999 | 1999 | 1989 | 1988 |
| Heating Degree Days (F) | 1082. | 763. | 530. | 307. | 81. | 5. | 0. | 0. | 18. | 255. | 665. | 1011. | 4717. |
| Cooling Degree Days (F) | 0. | 0. | 1. | 17. | 98. | 340. | 544. | 488. | 202. | 16. | 0. | 0. | 1706. |