| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 46.6 | 52.0 | 58.5 | 66.4 | 75.1 | 85.5 | 87.6 | 84.3 | 78.8 | 68.6 | 55.8 | 47.6 | 67.2 |
| Highest Mean Max. Temperature (F) | 56.2 | 59.2 | 66.1 | 74.0 | 84.0 | 91.2 | 91.4 | 88.9 | 84.8 | 74.5 | 65.3 | 55.8 | 91.4 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 1989 | 1996 | 1994 | 1978 | 1995 | 2000 | 1999 | 1999 | 1980 | 1978 |
| Lowest Mean Max. Temperature (F) | 39.2 | 45.4 | 51.0 | 58.3 | 70.8 | 82.1 | 83.5 | 79.3 | 74.9 | 58.4 | 48.6 | 39.4 | 39.2 |
| Year Lowest Occurred | 1979 | 1973 | 1973 | 1973 | 1987 | 1973 | 1990 | 1988 | 1996 | 1984 | 1972 | 1992 | 1979 |
| Mean Temperature (F) | 31.7 | 36.1 | 42.0 | 49.1 | 57.8 | 67.3 | 71.4 | 69.1 | 62.4 | 51.5 | 39.6 | 32.0 | 50.8 |
| Highest Mean Temperature (F) | 38.1 | 42.5 | 47.4 | 55.0 | 66.0 | 72.3 | 74.2 | 73.4 | 67.6 | 54.6 | 45.7 | 36.6 | 74.2 |
| Year Highest Occurred | 1999 | 1995 | 1989 | 1989 | 1996 | 1994 | 1993 | 1995 | 1998 | 1988 | 1995 | 1980 | 1993 |
| Lowest Mean Temperature (F) | 26.9 | 31.2 | 36.6 | 42.2 | 54.0 | 64.3 | 68.8 | 66.2 | 58.8 | 46.7 | 34.5 | 26.5 | 26.5 |
| Year Lowest Occurred | 1979 | 1974 | 1977 | 1973 | 1983 | 1979 | 1975 | 1974 | 1985 | 1984 | 1979 | 1992 | 1992 |
| Mean Min. Temperature (F) | 16.8 | 20.2 | 25.4 | 31.7 | 40.4 | 49.1 | 55.2 | 53.9 | 46.0 | 34.3 | 23.4 | 16.3 | 34.4 |
| Highest Mean Min. Temperature (F) | 25.5 | 26.6 | 29.3 | 37.0 | 47.9 | 53.9 | 59.0 | 57.9 | 50.4 | 39.4 | 30.0 | 20.8 | 59.0 |
| Year Highest Occurred | 1993 | 1996 | 1989 | 1992 | 1996 | 1996 | 1993 | 1995 | 1998 | 1972 | 1978 | 1991 | 1993 |
| Lowest Mean Min. Temperature (F) | 10.2 | 12.1 | 19.2 | 26.2 | 35.4 | 45.2 | 51.5 | 50.6 | 41.4 | 28.1 | 18.5 | 10.8 | 10.2 |
| Year Lowest Occurred | 1990 | 1974 | 1977 | 1973 | 1975 | 1987 | 1979 | 1979 | 1973 | 1980 | 1976 | 1976 | 1990 |
| Mean Precipitation (in.) | 0.60 | 0.35 | 0.55 | 0.49 | 0.70 | 0.54 | 2.04 | 1.77 | 1.41 | 1.17 | 0.58 | 0.46 | 10.66 |
| Highest Precipitation (in.) | 1.80 | 1.59 | 3.32 | 2.94 | 2.65 | 1.57 | 5.00 | 3.73 | 3.02 | 2.98 | 2.27 | 1.49 | 5.00 |
| Year Highest Occurred | 1987 | 1987 | 2000 | 1988 | 1992 | 1988 | 1989 | 1988 | 1980 | 1972 | 1986 | 1987 | 1989 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.12 | 0.41 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1999 | 1999 | 1986 | 1996 | 1998 | 1989 | 1995 | 1991 | 1987 | 1995 | 1999 | 1996 | 1999 |
| Heating Degree Days (F) | 1033. | 809. | 716. | 479. | 246. | 43. | 2. | 18. | 117. | 421. | 762. | 1025. | 5671. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 1. | 22. | 112. | 200. | 144. | 38. | 1. | 0. | 0. | 518. |