| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 54.4 | 58.5 | 63.0 | 71.0 | 79.7 | 90.0 | 92.9 | 90.6 | 85.4 | 75.0 | 62.5 | 54.9 | 73.2 |
| Highest Mean Max. Temperature (F) | 62.5 | 66.2 | 74.1 | 81.3 | 87.0 | 95.2 | 96.2 | 95.1 | 89.7 | 82.1 | 73.6 | 62.2 | 96.2 |
| Year Highest Occurred | 1986 | 1991 | 1972 | 1989 | 2000 | 1996 | 2000 | 1995 | 2000 | 1999 | 1999 | 1980 | 2000 |
| Lowest Mean Max. Temperature (F) | 44.9 | 49.9 | 50.5 | 61.8 | 73.8 | 84.7 | 88.9 | 87.3 | 78.6 | 67.2 | 54.9 | 47.4 | 44.9 |
| Year Lowest Occurred | 1979 | 1998 | 1973 | 1975 | 1980 | 1992 | 1986 | 1992 | 1985 | 1984 | 2000 | 1971 | 1979 |
| Mean Temperature (F) | 39.9 | 43.0 | 46.9 | 52.9 | 60.7 | 69.8 | 75.4 | 74.1 | 68.0 | 57.6 | 46.3 | 40.1 | 56.2 |
| Highest Mean Temperature (F) | 45.5 | 49.2 | 53.2 | 58.3 | 66.0 | 74.3 | 78.2 | 77.9 | 73.0 | 62.0 | 53.3 | 45.3 | 78.2 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 1989 | 2000 | 1996 | 1985 | 1995 | 1997 | 1987 | 1995 | 1980 | 1985 |
| Lowest Mean Temperature (F) | 33.9 | 38.2 | 39.4 | 45.3 | 56.2 | 65.3 | 72.8 | 70.7 | 62.7 | 52.6 | 40.8 | 35.3 | 33.9 |
| Year Lowest Occurred | 1979 | 1998 | 1973 | 1975 | 1980 | 1991 | 1992 | 1990 | 1985 | 1971 | 2000 | 1974 | 1979 |
| Mean Min. Temperature (F) | 25.3 | 27.4 | 30.8 | 34.8 | 41.6 | 49.6 | 57.9 | 57.5 | 50.5 | 40.2 | 30.1 | 25.2 | 39.2 |
| Highest Mean Min. Temperature (F) | 31.2 | 32.8 | 35.3 | 39.4 | 46.1 | 54.2 | 61.6 | 60.6 | 57.0 | 44.6 | 35.8 | 28.8 | 61.6 |
| Year Highest Occurred | 1993 | 1995 | 1986 | 1986 | 1997 | 2000 | 1985 | 1995 | 1997 | 1983 | 1995 | 1991 | 1985 |
| Lowest Mean Min. Temperature (F) | 19.9 | 20.9 | 24.8 | 28.7 | 37.7 | 45.3 | 52.7 | 53.0 | 45.2 | 36.6 | 26.7 | 20.2 | 19.9 |
| Year Lowest Occurred | 1971 | 1974 | 1977 | 1975 | 1975 | 1975 | 1979 | 1976 | 1973 | 1982 | 2000 | 1988 | 1971 |
| Mean Precipitation (in.) | 2.33 | 2.34 | 2.68 | 1.15 | 0.66 | 0.37 | 2.42 | 2.97 | 1.81 | 1.89 | 1.70 | 1.75 | 22.07 |
| Highest Precipitation (in.) | 9.57 | 9.07 | 7.88 | 4.94 | 4.26 | 2.88 | 6.77 | 6.40 | 5.30 | 10.32 | 5.30 | 5.65 | 10.32 |
| Year Highest Occurred | 1993 | 1980 | 1991 | 1999 | 1992 | 1972 | 1990 | 1988 | 1983 | 1972 | 1982 | 1992 | 1972 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.22 | 0.73 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1972 | 1984 | 1997 | 1996 | 2000 | 1998 | 2000 | 1976 | 1973 | 1999 | 1999 | 1999 | 1972 |
| Heating Degree Days (F) | 779. | 619. | 560. | 371. | 175. | 31. | 0. | 2. | 43. | 244. | 562. | 774. | 4160. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 8. | 40. | 174. | 322. | 283. | 131. | 15. | 0. | 0. | 973. |