| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 38.9 | 43.0 | 50.2 | 59.5 | 69.6 | 80.8 | 85.2 | 82.2 | 74.8 | 62.5 | 47.8 | 39.8 | 61.2 |
| Highest Mean Max. Temperature (F) | 47.8 | 51.1 | 59.1 | 68.0 | 78.7 | 86.2 | 89.2 | 86.7 | 81.4 | 69.7 | 59.6 | 47.9 | 89.2 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 1989 | 2000 | 1974 | 2000 | 1995 | 1979 | 1999 | 1999 | 1980 | 2000 |
| Lowest Mean Max. Temperature (F) | 29.1 | 36.6 | 39.7 | 50.7 | 63.8 | 76.6 | 81.7 | 78.3 | 68.7 | 53.6 | 40.5 | 32.2 | 29.1 |
| Year Lowest Occurred | 1979 | 1998 | 1973 | 1983 | 1980 | 1995 | 1992 | 1984 | 1986 | 1984 | 1972 | 1971 | 1979 |
| Mean Temperature (F) | 29.8 | 33.4 | 39.3 | 46.8 | 56.2 | 66.9 | 71.9 | 69.6 | 62.7 | 51.2 | 38.2 | 30.8 | 49.7 |
| Highest Mean Temperature (F) | 37.7 | 41.9 | 46.8 | 53.9 | 63.5 | 72.8 | 75.5 | 73.7 | 67.5 | 57.3 | 47.8 | 38.1 | 75.5 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 1989 | 2000 | 1974 | 1996 | 1995 | 1979 | 1988 | 1999 | 1980 | 1996 |
| Lowest Mean Temperature (F) | 21.9 | 29.0 | 32.0 | 38.8 | 51.1 | 62.7 | 68.8 | 66.9 | 56.6 | 43.4 | 31.8 | 22.7 | 21.9 |
| Year Lowest Occurred | 1979 | 1998 | 1973 | 1983 | 1980 | 1983 | 1992 | 1984 | 1985 | 1984 | 2000 | 1990 | 1979 |
| Mean Min. Temperature (F) | 20.7 | 23.8 | 28.3 | 34.1 | 42.7 | 52.9 | 58.5 | 56.9 | 50.5 | 39.9 | 28.5 | 21.7 | 38.2 |
| Highest Mean Min. Temperature (F) | 27.5 | 32.6 | 34.5 | 39.9 | 48.3 | 59.3 | 62.1 | 60.7 | 54.5 | 46.6 | 35.9 | 28.2 | 62.1 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 1979 | 2000 | 1974 | 1996 | 1995 | 1997 | 1988 | 1999 | 1980 | 1996 |
| Lowest Mean Min. Temperature (F) | 14.6 | 18.5 | 22.6 | 26.8 | 38.1 | 48.4 | 55.5 | 54.3 | 44.5 | 31.5 | 22.8 | 11.7 | 11.7 |
| Year Lowest Occurred | 1979 | 1985 | 1977 | 1983 | 1983 | 1998 | 1986 | 1980 | 1985 | 1982 | 2000 | 1990 | 1990 |
| Mean Precipitation (in.) | 1.14 | 0.99 | 1.11 | 0.83 | 0.57 | 0.31 | 1.26 | 1.74 | 1.25 | 1.44 | 1.13 | 1.04 | 12.81 |
| Highest Precipitation (in.) | 4.71 | 2.54 | 3.04 | 2.65 | 2.79 | 1.82 | 4.35 | 4.94 | 3.09 | 9.01 | 3.58 | 3.21 | 9.01 |
| Year Highest Occurred | 1993 | 1993 | 1983 | 1985 | 1992 | 1988 | 1976 | 1982 | 1997 | 1972 | 1978 | 1984 | 1972 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.04 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1972 | 1972 | 1972 | 1989 | 2000 | 2000 | 2000 | 1978 | 1989 | 1999 | 2000 | 2000 | 1972 |
| Heating Degree Days (F) | 1090. | 884. | 799. | 547. | 292. | 63. | 6. | 12. | 116. | 436. | 806. | 1062. | 6113. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 1. | 18. | 119. | 218. | 152. | 44. | 8. | 0. | 0. | 560. |