| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 60.4 | 65.5 | 71.5 | 79.5 | 88.0 | 98.1 | 99.4 | 96.8 | 91.9 | 81.3 | 68.3 | 60.0 | 80.1 |
| Highest Mean Max. Temperature (F) | 69.0 | 71.6 | 83.9 | 86.6 | 95.0 | 103.7 | 103.0 | 101.1 | 96.5 | 86.7 | 76.9 | 67.2 | 103.7 |
| Year Highest Occurred | 1986 | 1999 | 1972 | 1989 | 2000 | 1994 | 1994 | 1994 | 2000 | 1979 | 1999 | 1977 | 1994 |
| Lowest Mean Max. Temperature (F) | 52.6 | 59.7 | 63.8 | 70.3 | 82.5 | 94.5 | 94.5 | 92.6 | 88.3 | 75.2 | 60.0 | 54.8 | 52.6 |
| Year Lowest Occurred | 1979 | 1998 | 1973 | 1983 | 1975 | 1983 | 1986 | 1988 | 1988 | 1984 | 2000 | 1982 | 1979 |
| Mean Temperature (F) | 46.0 | 50.6 | 56.0 | 63.1 | 72.0 | 81.6 | 84.7 | 82.8 | 77.7 | 66.8 | 53.5 | 45.8 | 65.1 |
| Highest Mean Temperature (F) | 50.7 | 55.5 | 65.2 | 68.6 | 79.1 | 87.4 | 87.5 | 86.6 | 82.3 | 70.2 | 58.8 | 50.4 | 87.5 |
| Year Highest Occurred | 1986 | 1996 | 1972 | 1989 | 2000 | 1994 | 1994 | 1994 | 2000 | 1999 | 1999 | 1977 | 1994 |
| Lowest Mean Temperature (F) | 40.9 | 44.9 | 49.6 | 56.8 | 66.1 | 78.6 | 81.2 | 79.0 | 74.2 | 61.5 | 48.1 | 41.4 | 40.9 |
| Year Lowest Occurred | 1979 | 1990 | 1973 | 1983 | 1975 | 1975 | 1974 | 1974 | 1988 | 1976 | 2000 | 1978 | 1979 |
| Mean Min. Temperature (F) | 31.6 | 35.7 | 40.4 | 46.6 | 55.9 | 65.0 | 69.9 | 68.7 | 63.4 | 52.2 | 38.6 | 31.6 | 50.0 |
| Highest Mean Min. Temperature (F) | 39.4 | 41.4 | 46.4 | 52.3 | 63.2 | 71.1 | 73.5 | 72.3 | 68.6 | 55.7 | 42.1 | 36.2 | 73.5 |
| Year Highest Occurred | 1993 | 1996 | 1972 | 1981 | 2000 | 1994 | 2000 | 1995 | 1997 | 1983 | 1998 | 1991 | 2000 |
| Lowest Mean Min. Temperature (F) | 27.9 | 27.6 | 35.3 | 40.3 | 49.6 | 61.3 | 64.9 | 63.8 | 59.6 | 46.3 | 34.4 | 26.9 | 26.9 |
| Year Lowest Occurred | 1975 | 1974 | 1973 | 1975 | 1975 | 1975 | 1987 | 1974 | 1987 | 1976 | 1973 | 1978 | 1978 |
| Mean Precipitation (in.) | 1.10 | 1.04 | 0.86 | 0.32 | 0.42 | 0.36 | 1.99 | 2.30 | 1.48 | 1.25 | 0.87 | 1.30 | 13.29 |
| Highest Precipitation (in.) | 4.05 | 3.55 | 2.65 | 1.54 | 2.97 | 1.56 | 4.84 | 4.77 | 6.21 | 4.68 | 3.04 | 4.19 | 6.21 |
| Year Highest Occurred | 1993 | 1980 | 1983 | 1988 | 1992 | 1987 | 1999 | 1984 | 1985 | 2000 | 1986 | 1991 | 1985 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.46 | 0.17 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1972 | 1999 | 1971 | 2000 | 2000 | 1989 | 1995 | 1976 | 1995 | 1999 | 1999 | 1999 | 1972 |
| Heating Degree Days (F) | 588. | 404. | 299. | 126. | 21. | 0. | 0. | 0. | 0. | 58. | 350. | 595. | 2441. |
| Cooling Degree Days (F) | 0. | 0. | 18. | 67. | 236. | 497. | 609. | 550. | 380. | 112. | 3. | 0. | 2472. |