| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 56.2 | 59.8 | 64.5 | 72.3 | 82.0 | 91.9 | 92.1 | 89.4 | 85.9 | 76.3 | 64.2 | 56.2 | 74.2 |
| Highest Mean Max. Temperature (F) | 62.5 | 67.5 | 75.2 | 79.3 | 88.0 | 97.0 | 96.4 | 92.8 | 90.1 | 81.6 | 70.9 | 64.3 | 97.0 |
| Year Highest Occurred | 1986 | 1972 | 1972 | 1989 | 1984 | 1974 | 1971 | 1975 | 1979 | 1973 | 1999 | 1980 | 1974 |
| Lowest Mean Max. Temperature (F) | 49.5 | 50.2 | 57.3 | 65.1 | 77.0 | 88.5 | 85.7 | 84.6 | 81.3 | 69.8 | 55.0 | 48.2 | 48.2 |
| Year Lowest Occurred | 1979 | 1998 | 1973 | 1998 | 1995 | 1992 | 1999 | 1990 | 1996 | 2000 | 2000 | 1997 | 1997 |
| Mean Temperature (F) | 45.6 | 48.3 | 52.1 | 58.9 | 67.9 | 77.9 | 79.5 | 77.5 | 73.7 | 63.7 | 52.4 | 45.5 | 61.9 |
| Highest Mean Temperature (F) | 51.5 | 55.3 | 59.8 | 66.1 | 74.3 | 84.8 | 83.8 | 81.2 | 76.9 | 68.5 | 58.8 | 51.6 | 84.8 |
| Year Highest Occurred | 1986 | 1972 | 1972 | 1989 | 2000 | 1974 | 1971 | 1994 | 1973 | 1999 | 1999 | 1980 | 1974 |
| Lowest Mean Temperature (F) | 40.1 | 41.4 | 45.7 | 52.6 | 61.7 | 73.7 | 75.1 | 73.4 | 68.5 | 58.6 | 45.1 | 40.2 | 40.1 |
| Year Lowest Occurred | 1979 | 1998 | 1991 | 1983 | 1980 | 1991 | 1984 | 1979 | 1985 | 1984 | 2000 | 1997 | 1979 |
| Mean Min. Temperature (F) | 35.0 | 36.8 | 39.6 | 45.4 | 53.8 | 63.8 | 66.8 | 65.6 | 61.5 | 51.1 | 40.6 | 34.8 | 49.6 |
| Highest Mean Min. Temperature (F) | 40.5 | 43.1 | 46.0 | 52.9 | 61.3 | 72.6 | 71.1 | 70.6 | 65.4 | 57.5 | 46.7 | 38.9 | 72.6 |
| Year Highest Occurred | 1986 | 1972 | 1989 | 1989 | 1997 | 1974 | 1971 | 1994 | 1995 | 1988 | 1999 | 1973 | 1974 |
| Lowest Mean Min. Temperature (F) | 30.7 | 31.9 | 33.8 | 37.2 | 45.4 | 56.8 | 60.2 | 59.3 | 55.0 | 46.2 | 35.1 | 30.7 | 30.7 |
| Year Lowest Occurred | 1979 | 1985 | 1991 | 1975 | 1980 | 1982 | 1984 | 1979 | 1985 | 1980 | 2000 | 1978 | 1979 |
| Mean Precipitation (in.) | 2.48 | 2.60 | 2.51 | 0.91 | 0.62 | 0.40 | 3.26 | 4.09 | 1.96 | 2.01 | 1.83 | 2.25 | 24.92 |
| Highest Precipitation (in.) | 10.96 | 8.47 | 8.20 | 2.82 | 2.59 | 2.76 | 10.38 | 8.02 | 6.85 | 6.75 | 4.17 | 7.40 | 10.96 |
| Year Highest Occurred | 1993 | 1998 | 1983 | 1984 | 1992 | 2000 | 1999 | 1993 | 1996 | 1972 | 1978 | 1992 | 1993 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.55 | 0.43 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1972 | 1984 | 1984 | 1993 | 2000 | 1998 | 1995 | 1975 | 1989 | 1982 | 1999 | 1981 | 1972 |
| Heating Degree Days (F) | 602. | 466. | 410. | 224. | 72. | 3. | 0. | 0. | 4. | 121. | 382. | 604. | 2888. |
| Cooling Degree Days (F) | 0. | 0. | 8. | 40. | 162. | 387. | 447. | 386. | 265. | 80. | 4. | 0. | 1779. |