| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 63.9 | 67.1 | 71.3 | 78.3 | 86.2 | 95.7 | 94.2 | 92.2 | 90.2 | 82.1 | 71.6 | 64.5 | 79.8 |
| Highest Mean Max. Temperature (F) | 71.9 | 73.1 | 80.4 | 86.6 | 93.3 | 100.2 | 97.7 | 96.1 | 94.5 | 88.0 | 81.7 | 71.4 | 100.2 |
| Year Highest Occurred | 1986 | 1999 | 1972 | 1989 | 2000 | 1990 | 1989 | 1973 | 1979 | 1995 | 1999 | 1980 | 1990 |
| Lowest Mean Max. Temperature (F) | 56.3 | 60.4 | 61.9 | 69.9 | 81.8 | 88.8 | 89.3 | 88.0 | 86.4 | 75.7 | 64.7 | 57.4 | 56.3 |
| Year Lowest Occurred | 1979 | 1998 | 1973 | 1983 | 1981 | 1983 | 1984 | 1990 | 1985 | 1984 | 2000 | 1997 | 1979 |
| Mean Temperature (F) | 45.5 | 48.5 | 52.7 | 58.4 | 65.7 | 75.0 | 78.9 | 77.6 | 73.0 | 62.8 | 52.1 | 46.1 | 61.4 |
| Highest Mean Temperature (F) | 50.6 | 54.1 | 59.2 | 65.1 | 71.2 | 81.5 | 82.6 | 80.6 | 76.7 | 66.6 | 56.5 | 50.1 | 82.6 |
| Year Highest Occurred | 1986 | 1996 | 1972 | 1974 | 2000 | 1974 | 1989 | 1995 | 1997 | 1988 | 1999 | 1980 | 1989 |
| Lowest Mean Temperature (F) | 41.3 | 43.6 | 46.0 | 51.8 | 60.3 | 68.8 | 76.1 | 73.7 | 69.4 | 58.5 | 47.4 | 42.7 | 41.3 |
| Year Lowest Occurred | 1973 | 1975 | 1977 | 1975 | 1980 | 1983 | 1984 | 1979 | 1976 | 1976 | 2000 | 1997 | 1973 |
| Mean Min. Temperature (F) | 27.1 | 29.8 | 34.0 | 38.4 | 45.2 | 54.3 | 63.5 | 62.9 | 55.7 | 43.5 | 32.6 | 27.7 | 42.9 |
| Highest Mean Min. Temperature (F) | 36.6 | 36.6 | 40.7 | 49.6 | 52.3 | 63.0 | 67.4 | 66.6 | 62.2 | 48.6 | 37.9 | 33.0 | 67.4 |
| Year Highest Occurred | 1993 | 1996 | 1978 | 1974 | 1974 | 1974 | 1989 | 1995 | 1983 | 1977 | 1986 | 1991 | 1989 |
| Lowest Mean Min. Temperature (F) | 21.9 | 22.3 | 25.5 | 31.8 | 37.5 | 46.6 | 57.8 | 56.4 | 50.9 | 36.1 | 26.6 | 21.3 | 21.3 |
| Year Lowest Occurred | 1999 | 1975 | 1977 | 1975 | 1980 | 1980 | 1973 | 1979 | 1973 | 1982 | 1992 | 1976 | 1976 |
| Mean Precipitation (in.) | 1.31 | 1.09 | 1.00 | 0.49 | 0.32 | 0.54 | 4.27 | 4.24 | 1.68 | 1.84 | 0.78 | 1.47 | 19.03 |
| Highest Precipitation (in.) | 5.94 | 3.07 | 3.32 | 2.83 | 1.99 | 5.66 | 10.22 | 12.73 | 6.85 | 8.80 | 3.85 | 5.88 | 12.73 |
| Year Highest Occurred | 1993 | 1973 | 1983 | 1988 | 1979 | 2000 | 1984 | 1993 | 1983 | 2000 | 1994 | 1984 | 1993 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.38 | 0.68 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 2000 | 1999 | 1984 | 2000 | 2000 | 1998 | 1980 | 1973 | 1973 | 1999 | 1999 | 1999 | 2000 |
| Heating Degree Days (F) | 604. | 462. | 388. | 225. | 84. | 9. | 0. | 0. | 5. | 115. | 388. | 586. | 2866. |
| Cooling Degree Days (F) | 0. | 0. | 5. | 24. | 105. | 308. | 429. | 390. | 244. | 46. | 1. | 0. | 1552. |