| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 49.4 | 55.4 | 63.8 | 72.4 | 80.2 | 88.8 | 92.6 | 90.6 | 84.0 | 74.3 | 59.7 | 50.4 | 71.8 |
| Highest Mean Max. Temperature (F) | 60.2 | 65.4 | 71.5 | 79.1 | 89.8 | 96.4 | 101.1 | 97.7 | 92.5 | 81.2 | 68.9 | 58.3 | 101.1 |
| Year Highest Occurred | 1986 | 2000 | 1972 | 1981 | 1996 | 1990 | 1980 | 2000 | 2000 | 1979 | 1999 | 1980 | 1980 |
| Lowest Mean Max. Temperature (F) | 36.9 | 40.4 | 57.1 | 63.1 | 74.6 | 81.9 | 87.7 | 85.7 | 77.2 | 68.2 | 48.7 | 37.0 | 36.9 |
| Year Lowest Occurred | 1979 | 1978 | 1998 | 1997 | 1995 | 1992 | 1975 | 1996 | 1974 | 1976 | 1972 | 1983 | 1979 |
| Mean Temperature (F) | 36.4 | 41.5 | 49.0 | 57.6 | 66.4 | 75.3 | 79.5 | 77.8 | 70.8 | 60.2 | 46.7 | 37.9 | 58.3 |
| Highest Mean Temperature (F) | 44.8 | 49.1 | 54.1 | 63.5 | 74.0 | 81.7 | 85.7 | 83.7 | 77.1 | 64.3 | 53.9 | 43.5 | 85.7 |
| Year Highest Occurred | 1986 | 2000 | 1986 | 1981 | 1996 | 1990 | 1980 | 2000 | 1998 | 1979 | 1999 | 1980 | 1980 |
| Lowest Mean Temperature (F) | 25.3 | 29.5 | 44.1 | 50.8 | 61.8 | 70.2 | 75.8 | 73.7 | 64.4 | 54.4 | 38.4 | 26.3 | 25.3 |
| Year Lowest Occurred | 1979 | 1978 | 1998 | 1997 | 1995 | 1992 | 1975 | 1992 | 1974 | 1976 | 1972 | 1983 | 1979 |
| Mean Min. Temperature (F) | 23.4 | 27.5 | 34.1 | 42.7 | 52.6 | 61.7 | 66.4 | 65.0 | 57.5 | 46.1 | 33.6 | 25.4 | 44.7 |
| Highest Mean Min. Temperature (F) | 29.3 | 33.0 | 39.2 | 48.0 | 58.1 | 67.1 | 70.2 | 69.6 | 63.5 | 50.7 | 38.8 | 30.3 | 70.2 |
| Year Highest Occurred | 1986 | 1992 | 1986 | 1981 | 1996 | 1990 | 1980 | 2000 | 1998 | 1983 | 1999 | 1994 | 1980 |
| Lowest Mean Min. Temperature (F) | 13.7 | 18.5 | 28.6 | 37.3 | 47.9 | 57.7 | 63.9 | 61.1 | 51.5 | 40.5 | 28.0 | 15.6 | 13.7 |
| Year Lowest Occurred | 1979 | 1978 | 1996 | 1973 | 1976 | 1995 | 1994 | 1971 | 1974 | 1976 | 1972 | 1983 | 1979 |
| Mean Precipitation (in.) | 0.65 | 0.69 | 1.56 | 1.77 | 3.08 | 3.20 | 2.69 | 3.16 | 2.00 | 1.60 | 0.88 | 0.70 | 21.98 |
| Highest Precipitation (in.) | 2.34 | 2.26 | 6.80 | 8.05 | 6.38 | 7.03 | 7.41 | 6.21 | 4.79 | 6.05 | 2.44 | 3.28 | 8.05 |
| Year Highest Occurred | 1999 | 1983 | 2000 | 1997 | 1977 | 1978 | 1982 | 1974 | 1971 | 1998 | 1986 | 1991 | 1997 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.35 | 0.10 | 0.18 | 0.70 | 0.09 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1996 | 2000 | 1997 | 1996 | 1971 | 1998 | 1974 | 2000 | 2000 | 1992 | 1999 | 1976 | 1996 |
| Heating Degree Days (F) | 887. | 660. | 496. | 250. | 81. | 9. | 0. | 1. | 29. | 174. | 552. | 840. | 3979. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 26. | 123. | 316. | 449. | 398. | 202. | 26. | 0. | 0. | 1540. |