| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 55.6 | 60.1 | 65.8 | 73.4 | 81.9 | 91.6 | 91.8 | 89.0 | 84.8 | 75.2 | 63.7 | 55.4 | 74.0 |
| Highest Mean Max. Temperature (F) | 65.3 | 65.3 | 75.2 | 80.3 | 88.8 | 98.0 | 97.5 | 93.4 | 88.9 | 81.9 | 71.0 | 64.1 | 98.0 |
| Year Highest Occurred | 1986 | 1999 | 1972 | 1989 | 1984 | 1980 | 1978 | 1994 | 2000 | 1979 | 1999 | 1980 | 1980 |
| Lowest Mean Max. Temperature (F) | 49.0 | 53.5 | 59.2 | 65.3 | 75.4 | 85.9 | 86.5 | 83.3 | 79.2 | 70.0 | 56.0 | 48.9 | 48.9 |
| Year Lowest Occurred | 1979 | 1998 | 1973 | 1983 | 1992 | 1991 | 1990 | 1988 | 1996 | 2000 | 2000 | 1990 | 1990 |
| Mean Temperature (F) | 37.9 | 41.5 | 46.4 | 52.7 | 60.9 | 70.1 | 74.4 | 72.3 | 66.5 | 55.6 | 44.0 | 37.3 | 55.0 |
| Highest Mean Temperature (F) | 41.6 | 47.3 | 51.3 | 57.3 | 65.9 | 74.3 | 77.6 | 75.9 | 70.4 | 58.1 | 48.6 | 42.2 | 77.6 |
| Year Highest Occurred | 1981 | 1996 | 1972 | 1989 | 1984 | 1994 | 1980 | 1995 | 1997 | 1978 | 1995 | 1984 | 1980 |
| Lowest Mean Temperature (F) | 34.7 | 37.0 | 42.2 | 47.1 | 57.7 | 65.3 | 70.3 | 69.0 | 62.4 | 51.3 | 40.0 | 32.5 | 32.5 |
| Year Lowest Occurred | 1992 | 1974 | 1977 | 1983 | 1975 | 1991 | 1987 | 1990 | 1988 | 1982 | 2000 | 1990 | 1990 |
| Mean Min. Temperature (F) | 20.1 | 22.8 | 27.0 | 31.9 | 39.8 | 48.6 | 56.9 | 55.6 | 48.1 | 35.9 | 24.3 | 19.1 | 35.8 |
| Highest Mean Min. Temperature (F) | 29.5 | 31.8 | 31.8 | 37.0 | 45.0 | 55.4 | 61.1 | 59.1 | 54.5 | 43.0 | 32.1 | 27.1 | 61.1 |
| Year Highest Occurred | 1993 | 1996 | 1978 | 1990 | 1992 | 2000 | 1999 | 1995 | 1997 | 1972 | 1978 | 1984 | 1999 |
| Lowest Mean Min. Temperature (F) | 14.0 | 13.1 | 21.9 | 28.3 | 35.4 | 41.6 | 51.2 | 51.9 | 43.3 | 25.2 | 19.2 | 12.0 | 12.0 |
| Year Lowest Occurred | 1971 | 1974 | 1977 | 1972 | 1975 | 1982 | 1987 | 1979 | 1973 | 1982 | 1975 | 1973 | 1973 |
| Mean Precipitation (in.) | 1.15 | 1.12 | 0.90 | 0.36 | 0.50 | 0.50 | 2.80 | 2.78 | 1.91 | 1.59 | 0.97 | 1.26 | 15.84 |
| Highest Precipitation (in.) | 5.40 | 2.92 | 2.54 | 1.86 | 3.64 | 2.23 | 5.60 | 6.11 | 7.00 | 5.33 | 4.19 | 4.58 | 7.00 |
| Year Highest Occurred | 1993 | 1980 | 1991 | 1988 | 1992 | 1996 | 1998 | 1984 | 1975 | 1985 | 1994 | 1992 | 1975 |
| Lowest Precipitation (in.) | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.55 | 0.44 | 0.04 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1986 | 1999 | 1971 | 1993 | 2000 | 1998 | 1978 | 1976 | 2000 | 1999 | 1999 | 1996 | 1999 |
| Heating Degree Days (F) | 842. | 660. | 577. | 373. | 159. | 27. | 1. | 2. | 47. | 295. | 631. | 861. | 4475. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 2. | 30. | 181. | 290. | 229. | 92. | 3. | 0. | 0. | 827. |