| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 49.2 | 52.4 | 56.9 | 65.0 | 72.7 | 82.3 | 83.2 | 80.2 | 76.3 | 67.9 | 56.9 | 49.9 | 66.1 |
| Highest Mean Max. Temperature (F) | 57.4 | 60.1 | 64.7 | 72.8 | 82.4 | 87.6 | 87.5 | 83.9 | 81.9 | 73.9 | 67.1 | 57.3 | 87.6 |
| Year Highest Occurred | 1986 | 2000 | 1972 | 1989 | 2000 | 1994 | 1994 | 1994 | 2000 | 1999 | 1999 | 1980 | 1994 |
| Lowest Mean Max. Temperature (F) | 42.5 | 46.5 | 47.3 | 56.5 | 67.8 | 77.7 | 80.0 | 77.8 | 72.2 | 58.6 | 50.0 | 42.3 | 42.3 |
| Year Lowest Occurred | 1979 | 1973 | 1973 | 1983 | 1976 | 1991 | 1986 | 1988 | 1976 | 1984 | 1972 | 1971 | 1971 |
| Mean Temperature (F) | 30.8 | 34.0 | 38.0 | 43.6 | 51.0 | 59.3 | 64.8 | 63.1 | 57.3 | 47.4 | 37.0 | 30.8 | 46.4 |
| Highest Mean Temperature (F) | 35.5 | 40.0 | 42.4 | 47.6 | 56.5 | 63.2 | 67.8 | 65.7 | 62.2 | 51.4 | 40.7 | 35.6 | 67.8 |
| Year Highest Occurred | 1986 | 1996 | 1972 | 1989 | 2000 | 1990 | 1996 | 1986 | 1997 | 1988 | 1999 | 1977 | 1996 |
| Lowest Mean Temperature (F) | 27.2 | 30.0 | 33.3 | 39.1 | 48.0 | 55.3 | 61.9 | 60.4 | 54.5 | 43.8 | 32.0 | 25.9 | 25.9 |
| Year Lowest Occurred | 1979 | 1979 | 1977 | 1983 | 1977 | 1982 | 1987 | 1989 | 1988 | 1982 | 1979 | 1990 | 1990 |
| Mean Min. Temperature (F) | 12.4 | 15.5 | 19.0 | 22.2 | 29.3 | 36.2 | 46.3 | 45.9 | 38.2 | 26.8 | 17.0 | 11.6 | 26.7 |
| Highest Mean Min. Temperature (F) | 19.2 | 21.2 | 23.6 | 27.7 | 36.8 | 41.1 | 50.7 | 49.9 | 45.2 | 35.6 | 23.6 | 20.5 | 50.7 |
| Year Highest Occurred | 1993 | 1996 | 1983 | 1997 | 1992 | 1972 | 1975 | 1986 | 1997 | 1972 | 1978 | 1983 | 1975 |
| Lowest Mean Min. Temperature (F) | 5.7 | 9.0 | 14.4 | 19.0 | 25.3 | 29.4 | 41.3 | 41.2 | 33.2 | 19.9 | 11.3 | 4.0 | 4.0 |
| Year Lowest Occurred | 1990 | 1994 | 1977 | 1991 | 1991 | 1982 | 1995 | 1979 | 1989 | 1982 | 1980 | 1990 | 1990 |
| Mean Precipitation (in.) | 1.01 | 0.92 | 0.90 | 0.38 | 0.74 | 0.63 | 3.12 | 3.69 | 2.12 | 1.97 | 1.06 | 1.03 | 17.57 |
| Highest Precipitation (in.) | 3.96 | 3.29 | 2.53 | 2.04 | 5.89 | 1.69 | 7.70 | 7.17 | 6.16 | 7.66 | 4.13 | 3.69 | 7.70 |
| Year Highest Occurred | 1993 | 1980 | 1981 | 1988 | 1992 | 1986 | 1998 | 1999 | 1983 | 2000 | 1978 | 1984 | 1998 |
| Lowest Precipitation (in.) | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.39 | 1.01 | 0.19 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1972 | 1984 | 1996 | 2000 | 2000 | 1989 | 1993 | 1975 | 1973 | 1999 | 1999 | 1996 | 1984 |
| Heating Degree Days (F) | 1062. | 870. | 838. | 642. | 434. | 187. | 50. | 84. | 236. | 548. | 842. | 1062. | 6855. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 14. | 43. | 24. | 3. | 0. | 0. | 0. | 84. |