| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 46.6 | 51.6 | 57.7 | 65.5 | 74.6 | 84.1 | 85.3 | 82.5 | 77.8 | 68.2 | 55.7 | 48.5 | 66.5 |
| Highest Mean Max. Temperature (F) | 56.5 | 57.2 | 65.1 | 73.3 | 82.0 | 88.3 | 90.0 | 85.8 | 81.7 | 74.2 | 65.6 | 57.6 | 90.0 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 1989 | 1996 | 1980 | 1971 | 1994 | 1989 | 1979 | 1999 | 1980 | 1971 |
| Lowest Mean Max. Temperature (F) | 38.1 | 44.8 | 49.9 | 55.5 | 70.9 | 79.4 | 79.8 | 78.5 | 73.2 | 59.5 | 48.4 | 43.1 | 38.1 |
| Year Lowest Occurred | 1992 | 1978 | 1973 | 1983 | 1983 | 1991 | 1990 | 1991 | 1975 | 1984 | 2000 | 1971 | 1992 |
| Mean Temperature (F) | 30.3 | 34.5 | 39.7 | 45.6 | 53.9 | 62.6 | 67.5 | 65.7 | 59.5 | 48.8 | 37.6 | 31.1 | 48.1 |
| Highest Mean Temperature (F) | 36.1 | 40.2 | 42.6 | 50.3 | 58.3 | 66.4 | 70.8 | 68.9 | 62.5 | 53.0 | 41.7 | 37.5 | 70.8 |
| Year Highest Occurred | 1986 | 1995 | 1989 | 1989 | 2000 | 1974 | 1971 | 1995 | 1983 | 1988 | 1995 | 1980 | 1971 |
| Lowest Mean Temperature (F) | 22.7 | 29.1 | 34.3 | 38.9 | 50.9 | 59.1 | 64.1 | 63.0 | 56.7 | 44.3 | 31.8 | 26.6 | 22.7 |
| Year Lowest Occurred | 1992 | 1985 | 1987 | 1983 | 1975 | 1983 | 1987 | 1987 | 1987 | 1984 | 2000 | 1987 | 1992 |
| Mean Min. Temperature (F) | 13.9 | 17.4 | 21.6 | 25.7 | 33.2 | 41.0 | 49.7 | 48.8 | 41.2 | 29.4 | 19.4 | 13.7 | 29.6 |
| Highest Mean Min. Temperature (F) | 21.9 | 23.3 | 27.1 | 30.9 | 37.6 | 46.4 | 52.5 | 52.7 | 46.0 | 38.0 | 26.6 | 22.1 | 52.7 |
| Year Highest Occurred | 1980 | 1996 | 1978 | 1990 | 1992 | 2000 | 1975 | 1982 | 1982 | 1972 | 1978 | 1983 | 1982 |
| Lowest Mean Min. Temperature (F) | 7.2 | 10.0 | 15.2 | 22.3 | 28.0 | 36.7 | 41.6 | 44.2 | 36.1 | 22.2 | 14.8 | 7.4 | 7.2 |
| Year Lowest Occurred | 1992 | 1974 | 1988 | 1983 | 1972 | 1983 | 1987 | 1985 | 1987 | 1997 | 1989 | 1987 | 1992 |
| Mean Precipitation (in.) | 0.49 | 0.59 | 0.68 | 0.40 | 0.46 | 0.40 | 2.13 | 2.39 | 1.38 | 1.11 | 0.65 | 0.50 | 11.18 |
| Highest Precipitation (in.) | 2.05 | 1.71 | 2.49 | 1.77 | 2.03 | 1.27 | 4.50 | 6.61 | 4.20 | 4.37 | 1.49 | 1.83 | 6.61 |
| Year Highest Occurred | 1993 | 1978 | 1998 | 1988 | 1979 | 1979 | 1998 | 1971 | 1975 | 2000 | 2000 | 1987 | 1971 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.56 | 0.48 | 0.11 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1986 | 1999 | 1989 | 1991 | 2000 | 1990 | 1979 | 1989 | 2000 | 1982 | 1999 | 1998 | 1986 |
| Heating Degree Days (F) | 1077. | 854. | 786. | 581. | 346. | 114. | 20. | 41. | 171. | 503. | 825. | 1050. | 6368. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 1. | 40. | 97. | 62. | 6. | 0. | 0. | 0. | 206. |