| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 38.2 | 42.7 | 49.0 | 57.8 | 67.0 | 77.7 | 82.0 | 79.8 | 73.3 | 62.5 | 47.8 | 39.9 | 59.8 |
| Highest Mean Max. Temperature (F) | 46.8 | 48.0 | 59.1 | 64.7 | 74.2 | 83.0 | 84.9 | 83.9 | 77.9 | 68.5 | 58.8 | 48.7 | 84.9 |
| Year Highest Occurred | 1981 | 1995 | 1972 | 1989 | 2000 | 1974 | 2000 | 1995 | 1979 | 1999 | 1999 | 1980 | 2000 |
| Lowest Mean Max. Temperature (F) | 29.9 | 38.8 | 41.9 | 49.9 | 60.9 | 73.2 | 77.5 | 75.4 | 66.6 | 52.4 | 40.7 | 32.8 | 29.9 |
| Year Lowest Occurred | 1979 | 1993 | 1973 | 1983 | 1995 | 1983 | 1986 | 1999 | 1986 | 1984 | 2000 | 1978 | 1979 |
| Mean Temperature (F) | 23.1 | 27.4 | 34.2 | 41.6 | 49.9 | 59.0 | 64.9 | 63.4 | 56.2 | 45.7 | 33.0 | 25.2 | 43.6 |
| Highest Mean Temperature (F) | 31.1 | 34.0 | 40.8 | 47.7 | 54.3 | 63.7 | 68.2 | 67.8 | 61.5 | 48.9 | 40.5 | 33.4 | 68.2 |
| Year Highest Occurred | 1981 | 1995 | 1972 | 1989 | 1984 | 1974 | 1998 | 1995 | 1998 | 1988 | 1999 | 1980 | 1998 |
| Lowest Mean Temperature (F) | 15.8 | 21.7 | 28.2 | 34.6 | 46.5 | 54.9 | 61.6 | 60.9 | 51.7 | 38.8 | 26.9 | 18.0 | 15.8 |
| Year Lowest Occurred | 1979 | 1979 | 1980 | 1983 | 1983 | 1975 | 1986 | 1974 | 1971 | 1984 | 1979 | 1978 | 1979 |
| Mean Min. Temperature (F) | 7.9 | 12.1 | 19.3 | 25.4 | 32.7 | 40.3 | 47.8 | 47.0 | 39.0 | 28.8 | 18.1 | 10.4 | 27.4 |
| Highest Mean Min. Temperature (F) | 15.5 | 19.9 | 25.3 | 31.4 | 37.0 | 44.4 | 52.4 | 51.6 | 45.6 | 32.7 | 23.5 | 18.1 | 52.4 |
| Year Highest Occurred | 1981 | 1995 | 1999 | 1992 | 1992 | 1974 | 1998 | 1995 | 1998 | 1972 | 1996 | 1980 | 1998 |
| Lowest Mean Min. Temperature (F) | 1.7 | 3.9 | 13.7 | 19.2 | 29.1 | 33.9 | 44.7 | 42.2 | 31.7 | 22.8 | 11.7 | 3.1 | 1.7 |
| Year Lowest Occurred | 1979 | 1974 | 1980 | 1983 | 1983 | 1998 | 1987 | 1974 | 1971 | 1982 | 1979 | 1978 | 1979 |
| Mean Precipitation (in.) | 1.65 | 1.40 | 1.78 | 1.05 | 1.23 | 0.62 | 2.14 | 2.45 | 1.90 | 1.98 | 1.71 | 1.23 | 19.14 |
| Highest Precipitation (in.) | 6.36 | 4.04 | 3.93 | 2.65 | 4.87 | 1.77 | 5.23 | 7.20 | 5.13 | 9.04 | 4.25 | 3.35 | 9.04 |
| Year Highest Occurred | 1980 | 1980 | 2000 | 1986 | 1992 | 1996 | 1981 | 1999 | 1997 | 1972 | 1986 | 1984 | 1972 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.15 | 0.24 | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1972 | 1972 | 1997 | 1991 | 1996 | 1974 | 1993 | 1978 | 1979 | 1999 | 1989 | 1989 | 1972 |
| Heating Degree Days (F) | 1301. | 1053. | 957. | 703. | 471. | 200. | 53. | 88. | 272. | 601. | 961. | 1235. | 7895. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 19. | 50. | 38. | 6. | 0. | 0. | 0. | 113. |