| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 53.4 | 57.6 | 62.9 | 70.3 | 77.9 | 86.8 | 86.5 | 83.8 | 80.2 | 72.0 | 61.5 | 53.6 | 70.5 |
| Highest Mean Max. Temperature (F) | 61.4 | 64.0 | 70.4 | 78.0 | 85.5 | 93.3 | 90.5 | 89.0 | 86.0 | 77.0 | 70.3 | 60.8 | 93.3 |
| Year Highest Occurred | 1986 | 1999 | 1972 | 1989 | 2000 | 1990 | 1971 | 1994 | 2000 | 1995 | 1999 | 1980 | 1990 |
| Lowest Mean Max. Temperature (F) | 43.9 | 51.0 | 55.4 | 62.7 | 73.6 | 82.7 | 82.5 | 80.7 | 75.2 | 65.5 | 54.4 | 46.6 | 43.9 |
| Year Lowest Occurred | 1979 | 1973 | 1973 | 1983 | 1992 | 1972 | 1976 | 1988 | 1975 | 1984 | 1972 | 1978 | 1979 |
| Mean Temperature (F) | 36.3 | 39.8 | 44.3 | 50.1 | 57.4 | 65.6 | 70.0 | 68.5 | 63.0 | 53.2 | 42.6 | 36.4 | 52.3 |
| Highest Mean Temperature (F) | 41.0 | 45.1 | 48.3 | 55.0 | 61.9 | 69.8 | 72.3 | 72.0 | 67.0 | 56.8 | 46.9 | 39.9 | 72.3 |
| Year Highest Occurred | 1993 | 1996 | 1972 | 1989 | 2000 | 1990 | 1971 | 1994 | 1983 | 1988 | 1995 | 1994 | 1971 |
| Lowest Mean Temperature (F) | 32.7 | 35.4 | 39.2 | 45.2 | 53.9 | 62.1 | 67.9 | 65.8 | 60.5 | 49.3 | 38.0 | 32.5 | 32.5 |
| Year Lowest Occurred | 1979 | 1974 | 1977 | 1975 | 1971 | 1982 | 1976 | 1974 | 1988 | 1976 | 1992 | 1974 | 1974 |
| Mean Min. Temperature (F) | 19.2 | 21.9 | 25.6 | 29.9 | 36.9 | 44.3 | 53.5 | 53.2 | 45.7 | 34.3 | 23.7 | 19.1 | 33.9 |
| Highest Mean Min. Temperature (F) | 28.6 | 27.6 | 29.5 | 34.0 | 43.3 | 49.4 | 56.8 | 57.4 | 52.3 | 41.9 | 30.9 | 26.0 | 57.4 |
| Year Highest Occurred | 1993 | 1996 | 1985 | 1990 | 1992 | 2000 | 1999 | 1988 | 1983 | 1972 | 1978 | 1984 | 1988 |
| Lowest Mean Min. Temperature (F) | 12.8 | 12.5 | 19.5 | 26.4 | 32.1 | 38.0 | 48.9 | 49.5 | 40.8 | 27.4 | 18.6 | 13.3 | 12.5 |
| Year Lowest Occurred | 1971 | 1974 | 1971 | 1998 | 1971 | 1982 | 1995 | 1979 | 1973 | 1982 | 1992 | 1973 | 1974 |
| Mean Precipitation (in.) | 1.07 | 1.04 | 0.90 | 0.34 | 0.68 | 0.68 | 2.76 | 3.32 | 2.00 | 1.76 | 1.12 | 1.30 | 16.97 |
| Highest Precipitation (in.) | 3.58 | 2.73 | 1.97 | 1.67 | 4.63 | 2.49 | 4.88 | 8.45 | 6.55 | 5.69 | 4.65 | 4.69 | 8.45 |
| Year Highest Occurred | 1993 | 1993 | 1975 | 1985 | 1992 | 2000 | 1975 | 1988 | 1975 | 1972 | 1994 | 1984 | 1988 |
| Lowest Precipitation (in.) | 0.03 | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 | 0.49 | 0.70 | 0.10 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1996 | 2000 | 1996 | 1996 | 2000 | 1995 | 1994 | 1973 | 2000 | 1999 | 1999 | 1996 | 1996 |
| Heating Degree Days (F) | 889. | 708. | 643. | 447. | 241. | 60. | 2. | 13. | 96. | 368. | 672. | 889. | 5028. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 6. | 76. | 157. | 121. | 35. | 0. | 0. | 0. | 395. |