| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 52.4 | 57.3 | 63.2 | 70.8 | 80.3 | 91.7 | 97.2 | 95.9 | 87.6 | 76.0 | 62.0 | 53.4 | 74.0 |
| Highest Mean Max. Temperature (F) | 62.8 | 67.2 | 73.6 | 78.9 | 88.7 | 97.5 | 101.2 | 100.1 | 93.1 | 84.7 | 71.0 | 62.5 | 101.2 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 1989 | 1997 | 1974 | 1996 | 1996 | 1979 | 1988 | 1999 | 1980 | 1996 |
| Lowest Mean Max. Temperature (F) | 43.8 | 49.9 | 54.4 | 61.5 | 72.6 | 86.1 | 93.6 | 91.5 | 80.1 | 69.0 | 52.1 | 46.2 | 43.8 |
| Year Lowest Occurred | 1979 | 1998 | 1973 | 1975 | 1977 | 1998 | 1986 | 1983 | 1986 | 1984 | 1994 | 1990 | 1979 |
| Mean Temperature (F) | 39.4 | 43.6 | 48.2 | 54.3 | 62.4 | 71.5 | 77.8 | 76.8 | 69.7 | 58.9 | 46.8 | 40.0 | 57.5 |
| Highest Mean Temperature (F) | 46.5 | 51.2 | 54.2 | 61.9 | 69.0 | 76.6 | 82.3 | 80.6 | 74.6 | 65.4 | 53.2 | 47.2 | 82.3 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 1989 | 1997 | 1994 | 1996 | 1994 | 1979 | 1988 | 1995 | 1980 | 1996 |
| Lowest Mean Temperature (F) | 33.1 | 38.5 | 42.8 | 46.5 | 57.2 | 67.2 | 74.4 | 74.2 | 62.8 | 53.3 | 39.6 | 32.1 | 32.1 |
| Year Lowest Occurred | 1979 | 1979 | 1991 | 1975 | 1977 | 1998 | 1987 | 1976 | 1986 | 1984 | 1994 | 1990 | 1990 |
| Mean Min. Temperature (F) | 26.3 | 29.9 | 33.2 | 37.8 | 44.4 | 51.2 | 58.4 | 57.7 | 51.7 | 41.8 | 31.6 | 26.6 | 40.9 |
| Highest Mean Min. Temperature (F) | 31.0 | 35.2 | 38.9 | 44.8 | 49.3 | 55.8 | 63.4 | 62.0 | 57.7 | 46.1 | 36.2 | 31.9 | 63.4 |
| Year Highest Occurred | 2000 | 1996 | 1978 | 1989 | 1997 | 1994 | 1996 | 1994 | 1997 | 1988 | 1996 | 1980 | 1996 |
| Lowest Mean Min. Temperature (F) | 21.5 | 24.7 | 26.3 | 31.6 | 39.8 | 47.5 | 53.7 | 53.5 | 45.5 | 37.7 | 27.1 | 18.1 | 18.1 |
| Year Lowest Occurred | 1973 | 1989 | 1977 | 1975 | 1975 | 1982 | 1993 | 1985 | 1986 | 1984 | 1994 | 1990 | 1990 |
| Mean Precipitation (in.) | 1.39 | 1.71 | 1.76 | 0.64 | 0.53 | 0.37 | 0.85 | 0.64 | 0.66 | 0.72 | 0.90 | 0.70 | 10.87 |
| Highest Precipitation (in.) | 5.81 | 8.01 | 6.28 | 3.09 | 1.54 | 1.16 | 6.06 | 2.58 | 3.22 | 2.62 | 4.63 | 2.21 | 8.01 |
| Year Highest Occurred | 1993 | 1998 | 1992 | 1988 | 1995 | 1993 | 1998 | 2000 | 1998 | 2000 | 1987 | 1994 | 1998 |
| Lowest Precipitation (in.) | 0.00 | 0.02 | 0.00 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1991 | 1972 | 1997 | 1991 | 1974 | 1996 | 2000 | 1995 | 2000 | 1999 | 1999 | 1999 | 1991 |
| Heating Degree Days (F) | 794. | 599. | 522. | 334. | 146. | 18. | 0. | 0. | 30. | 222. | 545. | 774. | 3984. |
| Cooling Degree Days (F) | 0. | 0. | 1. | 14. | 64. | 212. | 398. | 366. | 170. | 33. | 0. | 0. | 1258. |