| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 30.8 | 38.1 | 51.7 | 63.0 | 72.0 | 81.0 | 90.6 | 89.8 | 79.5 | 65.0 | 45.1 | 32.6 | 61.6 |
| Highest Mean Max. Temperature (F) | 38.2 | 46.0 | 63.7 | 72.2 | 81.2 | 88.3 | 95.6 | 95.1 | 88.4 | 76.0 | 54.1 | 39.7 | 95.6 |
| Year Highest Occurred | 1990 | 1995 | 1992 | 1987 | 1992 | 1974 | 1985 | 1971 | 1990 | 1988 | 1976 | 1989 | 1985 |
| Lowest Mean Max. Temperature (F) | 19.6 | 23.5 | 39.7 | 53.7 | 65.5 | 73.8 | 78.9 | 82.4 | 68.7 | 59.8 | 34.4 | 18.6 | 18.6 |
| Year Lowest Occurred | 1985 | 1989 | 1976 | 1975 | 1977 | 1993 | 1993 | 1976 | 1985 | 1984 | 1985 | 1985 | 1985 |
| Mean Temperature (F) | 23.0 | 28.9 | 40.5 | 49.3 | 57.2 | 65.2 | 72.6 | 71.3 | 61.3 | 49.4 | 35.8 | 24.7 | 48.3 |
| Highest Mean Temperature (F) | 31.7 | 36.6 | 47.7 | 54.4 | 62.7 | 71.0 | 77.3 | 75.7 | 68.5 | 56.7 | 40.6 | 32.8 | 77.3 |
| Year Highest Occurred | 1990 | 1978 | 1992 | 1990 | 1992 | 1977 | 1985 | 1986 | 1990 | 1988 | 1999 | 1977 | 1985 |
| Lowest Mean Temperature (F) | 10.0 | 13.2 | 29.1 | 43.1 | 53.0 | 60.6 | 63.9 | 66.6 | 55.5 | 45.8 | 26.6 | 10.5 | 10.0 |
| Year Lowest Occurred | 1985 | 1989 | 1976 | 1975 | 1977 | 1993 | 1993 | 1993 | 1985 | 1995 | 1985 | 1985 | 1985 |
| Mean Min. Temperature (F) | 15.1 | 19.6 | 29.2 | 35.5 | 42.4 | 49.3 | 54.5 | 52.7 | 43.1 | 33.8 | 26.5 | 16.8 | 34.9 |
| Highest Mean Min. Temperature (F) | 25.6 | 30.1 | 34.7 | 39.6 | 45.8 | 56.6 | 60.0 | 56.9 | 51.3 | 37.6 | 33.5 | 26.5 | 60.0 |
| Year Highest Occurred | 1981 | 1978 | 1986 | 1990 | 1987 | 1977 | 1975 | 1994 | 1998 | 1979 | 1998 | 1977 | 1975 |
| Lowest Mean Min. Temperature (F) | 0.4 | 2.9 | 18.5 | 32.0 | 38.8 | 45.5 | 48.8 | 48.2 | 37.2 | 30.3 | 15.5 | 2.4 | 0.4 |
| Year Lowest Occurred | 1985 | 1989 | 1976 | 1982 | 1974 | 1984 | 1993 | 1995 | 1971 | 1976 | 1993 | 1985 | 1985 |
| Mean Precipitation (in.) | 2.88 | 2.68 | 2.18 | 1.35 | 1.52 | 1.04 | 0.44 | 0.46 | 0.83 | 1.17 | 2.75 | 3.20 | 20.50 |
| Highest Precipitation (in.) | 5.32 | 8.73 | 5.10 | 3.34 | 7.27 | 3.45 | 2.13 | 2.16 | 3.14 | 4.16 | 7.25 | 9.39 | 9.39 |
| Year Highest Occurred | 1995 | 1999 | 1983 | 1978 | 1998 | 1993 | 1997 | 1976 | 1986 | 1975 | 1973 | 1996 | 1996 |
| Lowest Precipitation (in.) | 0.41 | 0.66 | 0.19 | 0.20 | 0.27 | 0.05 | 0.00 | 0.00 | 0.00 | 0.00 | 0.02 | 0.02 | 0.00 |
| Year Lowest Occurred | 1985 | 1977 | 1994 | 1977 | 1974 | 1973 | 1979 | 1991 | 1999 | 1988 | 1976 | 1976 | 1979 |
| Heating Degree Days (F) | 1304. | 1012. | 761. | 473. | 254. | 92. | 19. | 27. | 174. | 484. | 876. | 1250. | 6726. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 11. | 97. | 253. | 221. | 63. | 1. | 0. | 0. | 646. |