| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 59.8 | 65.8 | 72.4 | 80.1 | 88.9 | 96.0 | 94.7 | 91.8 | 87.8 | 80.4 | 68.7 | 59.8 | 78.9 |
| Highest Mean Max. Temperature (F) | 68.9 | 73.6 | 80.0 | 86.0 | 96.2 | 101.8 | 99.1 | 97.7 | 94.8 | 87.3 | 76.4 | 65.9 | 101.8 |
| Year Highest Occurred | 2000 | 2000 | 1972 | 2000 | 1996 | 1980 | 1980 | 1977 | 1977 | 1979 | 1999 | 1977 | 1980 |
| Lowest Mean Max. Temperature (F) | 51.5 | 59.2 | 67.3 | 70.5 | 83.6 | 90.9 | 87.6 | 85.9 | 81.5 | 72.8 | 61.6 | 53.9 | 51.5 |
| Year Lowest Occurred | 1992 | 1973 | 1987 | 1983 | 1987 | 1984 | 1991 | 1990 | 1991 | 1984 | 1976 | 1997 | 1992 |
| Mean Temperature (F) | 42.0 | 46.9 | 53.6 | 60.8 | 70.3 | 79.0 | 80.1 | 77.8 | 72.3 | 62.6 | 50.0 | 42.3 | 61.5 |
| Highest Mean Temperature (F) | 47.2 | 52.7 | 58.0 | 66.7 | 76.0 | 84.0 | 83.0 | 81.7 | 77.8 | 65.9 | 54.7 | 47.0 | 84.0 |
| Year Highest Occurred | 2000 | 2000 | 1972 | 2000 | 2000 | 1994 | 1979 | 1977 | 1977 | 1998 | 1999 | 1977 | 1994 |
| Lowest Mean Temperature (F) | 38.8 | 41.6 | 48.9 | 54.9 | 66.1 | 74.6 | 76.2 | 74.1 | 68.3 | 56.5 | 43.8 | 37.4 | 37.4 |
| Year Lowest Occurred | 1992 | 1973 | 1977 | 1983 | 1975 | 1983 | 1991 | 1971 | 1984 | 1984 | 1976 | 1976 | 1976 |
| Mean Min. Temperature (F) | 24.2 | 27.9 | 34.8 | 41.5 | 51.6 | 61.9 | 65.4 | 63.7 | 56.8 | 44.7 | 31.2 | 24.8 | 44.0 |
| Highest Mean Min. Temperature (F) | 31.1 | 34.0 | 39.4 | 47.4 | 56.6 | 67.2 | 68.7 | 67.3 | 62.0 | 50.5 | 38.1 | 32.5 | 68.7 |
| Year Highest Occurred | 1993 | 1986 | 1995 | 2000 | 1997 | 1990 | 1979 | 2000 | 1997 | 1998 | 1978 | 1984 | 1979 |
| Lowest Mean Min. Temperature (F) | 20.0 | 20.5 | 25.9 | 35.2 | 46.7 | 55.4 | 62.4 | 58.8 | 49.7 | 37.5 | 25.9 | 18.4 | 18.4 |
| Year Lowest Occurred | 1976 | 1974 | 1977 | 1975 | 1975 | 1983 | 1985 | 1973 | 1984 | 1982 | 1975 | 1973 | 1973 |
| Mean Precipitation (in.) | 0.55 | 0.30 | 0.23 | 0.24 | 0.47 | 0.91 | 1.55 | 1.50 | 2.08 | 0.93 | 0.41 | 0.62 | 9.79 |
| Highest Precipitation (in.) | 2.96 | 1.24 | 1.60 | 1.30 | 3.54 | 3.51 | 6.13 | 4.61 | 8.36 | 2.82 | 1.25 | 3.14 | 8.36 |
| Year Highest Occurred | 1991 | 1978 | 1983 | 1983 | 1992 | 1986 | 1973 | 1979 | 1974 | 1984 | 2000 | 1991 | 1974 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.10 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 2000 | 1999 | 2000 | 1998 | 2000 | 1994 | 1995 | 1997 | 2000 | 1996 | 1999 | 1998 | 2000 |
| Heating Degree Days (F) | 714. | 509. | 355. | 163. | 27. | 0. | 0. | 0. | 11. | 132. | 453. | 705. | 3069. |
| Cooling Degree Days (F) | 0. | 0. | 2. | 37. | 188. | 418. | 466. | 395. | 231. | 55. | 1. | 0. | 1793. |