| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 41.9 | 47.1 | 53.1 | 60.6 | 70.2 | 81.3 | 87.3 | 84.8 | 77.3 | 66.1 | 52.4 | 43.7 | 63.8 |
| Highest Mean Max. Temperature (F) | 50.6 | 56.5 | 61.5 | 69.8 | 77.2 | 86.1 | 92.3 | 90.5 | 84.6 | 71.9 | 61.7 | 52.5 | 92.3 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 1992 | 2000 | 1974 | 1998 | 1998 | 1979 | 1988 | 1995 | 1980 | 1998 |
| Lowest Mean Max. Temperature (F) | 34.7 | 41.6 | 45.0 | 51.4 | 64.1 | 75.1 | 84.0 | 81.7 | 70.1 | 57.2 | 44.3 | 36.9 | 34.7 |
| Year Lowest Occurred | 1979 | 1993 | 1973 | 1975 | 1971 | 1995 | 1987 | 1999 | 1986 | 1984 | 1972 | 1971 | 1979 |
| Mean Temperature (F) | 27.5 | 32.6 | 38.1 | 44.5 | 53.4 | 62.9 | 69.4 | 67.4 | 59.2 | 48.2 | 36.4 | 28.4 | 47.3 |
| Highest Mean Temperature (F) | 34.8 | 39.4 | 42.9 | 51.9 | 60.3 | 66.7 | 72.8 | 70.6 | 63.2 | 52.1 | 42.6 | 35.7 | 72.8 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 1992 | 2000 | 1994 | 2000 | 2000 | 1979 | 1988 | 1999 | 1977 | 2000 |
| Lowest Mean Temperature (F) | 18.1 | 27.1 | 31.6 | 37.5 | 49.4 | 57.7 | 66.6 | 65.0 | 54.3 | 42.3 | 30.2 | 20.8 | 18.1 |
| Year Lowest Occurred | 1989 | 1985 | 1976 | 1975 | 1971 | 1995 | 1993 | 1993 | 1986 | 1984 | 2000 | 1990 | 1989 |
| Mean Min. Temperature (F) | 13.1 | 18.0 | 23.1 | 28.4 | 36.5 | 44.5 | 51.5 | 49.9 | 41.0 | 30.2 | 20.3 | 13.1 | 30.8 |
| Highest Mean Min. Temperature (F) | 21.9 | 25.7 | 28.9 | 33.9 | 43.4 | 48.7 | 55.2 | 55.6 | 45.3 | 35.5 | 24.7 | 21.8 | 55.6 |
| Year Highest Occurred | 1980 | 2000 | 1978 | 1992 | 2000 | 2000 | 2000 | 2000 | 1998 | 1972 | 1999 | 1983 | 2000 |
| Lowest Mean Min. Temperature (F) | 1.3 | 11.5 | 14.4 | 23.6 | 33.0 | 37.9 | 48.1 | 46.3 | 37.0 | 27.1 | 13.8 | 4.1 | 1.3 |
| Year Lowest Occurred | 1989 | 1977 | 1976 | 1975 | 1983 | 1998 | 1998 | 1974 | 1993 | 1989 | 1979 | 1990 | 1989 |
| Mean Precipitation (in.) | 0.61 | 0.54 | 0.76 | 0.64 | 0.90 | 0.57 | 0.86 | 1.42 | 0.95 | 0.90 | 0.50 | 0.42 | 9.07 |
| Highest Precipitation (in.) | 2.05 | 1.90 | 1.90 | 1.83 | 3.27 | 1.61 | 2.78 | 4.03 | 3.27 | 2.65 | 2.01 | 1.74 | 4.03 |
| Year Highest Occurred | 1993 | 1980 | 1995 | 1988 | 1987 | 1972 | 1984 | 1997 | 1997 | 1972 | 1978 | 1983 | 1997 |
| Lowest Precipitation (in.) | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.03 | 0.03 | 0.00 | 0.05 | 0.00 | 0.00 |
| Year Lowest Occurred | 1994 | 1972 | 1972 | 1979 | 1972 | 1978 | 1979 | 1976 | 1979 | 1999 | 1998 | 1989 | 1972 |
| Heating Degree Days (F) | 1161. | 909. | 834. | 615. | 366. | 124. | 12. | 26. | 191. | 522. | 859. | 1135. | 6754. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 5. | 61. | 148. | 98. | 16. | 0. | 0. | 0. | 328. |