| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 44.9 | 53.0 | 59.3 | 65.6 | 73.8 | 84.0 | 92.1 | 90.5 | 81.6 | 69.8 | 55.5 | 46.4 | 68.0 |
| Highest Mean Max. Temperature (F) | 52.2 | 62.1 | 66.2 | 72.3 | 82.7 | 89.4 | 96.1 | 94.6 | 86.8 | 78.2 | 63.7 | 54.8 | 96.1 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 1992 | 1992 | 1985 | 1994 | 1981 | 1979 | 1988 | 1995 | 1981 | 1994 |
| Lowest Mean Max. Temperature (F) | 34.4 | 42.6 | 54.3 | 56.4 | 63.6 | 78.2 | 86.6 | 82.6 | 73.7 | 63.0 | 44.8 | 36.4 | 34.4 |
| Year Lowest Occurred | 1993 | 1989 | 1985 | 1975 | 1998 | 1998 | 1987 | 1976 | 1986 | 1984 | 1994 | 1990 | 1993 |
| Mean Temperature (F) | 31.7 | 38.1 | 43.6 | 49.7 | 57.5 | 66.1 | 72.8 | 71.0 | 62.3 | 51.5 | 40.0 | 31.9 | 51.4 |
| Highest Mean Temperature (F) | 38.7 | 45.5 | 48.8 | 55.2 | 63.6 | 71.3 | 77.1 | 74.4 | 66.4 | 56.1 | 46.3 | 39.7 | 77.1 |
| Year Highest Occurred | 1995 | 1995 | 1993 | 1990 | 1992 | 1977 | 1996 | 1998 | 1981 | 1988 | 1995 | 1981 | 1996 |
| Lowest Mean Temperature (F) | 21.4 | 27.3 | 38.2 | 42.1 | 51.1 | 61.0 | 67.6 | 64.6 | 55.5 | 46.8 | 34.2 | 22.1 | 21.4 |
| Year Lowest Occurred | 1982 | 1989 | 1977 | 1975 | 1977 | 1993 | 1993 | 1976 | 1986 | 1984 | 1994 | 1990 | 1982 |
| Mean Min. Temperature (F) | 18.5 | 23.1 | 27.9 | 33.7 | 41.1 | 48.2 | 53.4 | 51.4 | 42.9 | 33.2 | 24.5 | 17.4 | 34.6 |
| Highest Mean Min. Temperature (F) | 29.1 | 30.9 | 33.3 | 39.6 | 46.1 | 54.8 | 59.0 | 55.5 | 49.9 | 37.9 | 29.2 | 26.4 | 59.0 |
| Year Highest Occurred | 1995 | 2000 | 1978 | 1990 | 1997 | 1977 | 1996 | 1983 | 1998 | 1979 | 1998 | 1996 | 1996 |
| Lowest Mean Min. Temperature (F) | 7.6 | 12.0 | 21.8 | 27.7 | 36.5 | 42.6 | 48.0 | 46.7 | 37.3 | 29.0 | 18.6 | 7.8 | 7.6 |
| Year Lowest Occurred | 1982 | 1989 | 1977 | 1975 | 1977 | 1993 | 1993 | 1976 | 1986 | 1971 | 1992 | 1990 | 1982 |
| Mean Precipitation (in.) | 0.54 | 0.48 | 0.50 | 0.57 | 0.71 | 0.53 | 0.16 | 0.26 | 0.37 | 0.45 | 0.39 | 0.34 | 5.30 |
| Highest Precipitation (in.) | 1.55 | 1.18 | 1.76 | 2.30 | 3.38 | 3.04 | 1.33 | 1.16 | 1.47 | 1.81 | 1.38 | 1.20 | 3.38 |
| Year Highest Occurred | 1997 | 1989 | 1993 | 1990 | 1995 | 1977 | 1976 | 1979 | 1998 | 1972 | 1994 | 1977 | 1995 |
| Lowest Precipitation (in.) | 0.00 | 0.06 | 0.00 | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1989 | 1974 | 1997 | 1993 | 1999 | 2000 | 2000 | 1998 | 1995 | 1995 | 1995 | 2000 | 1989 |
| Heating Degree Days (F) | 1032. | 755. | 662. | 462. | 254. | 67. | 9. | 15. | 133. | 420. | 750. | 1027. | 5586. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 2. | 20. | 100. | 249. | 200. | 51. | 2. | 0. | 0. | 624. |