| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 45.5 | 51.7 | 57.2 | 64.1 | 72.6 | 82.8 | 91.2 | 89.9 | 81.7 | 69.9 | 55.3 | 46.4 | 67.4 |
| Highest Mean Max. Temperature (F) | 53.2 | 61.5 | 66.2 | 72.4 | 82.6 | 88.3 | 95.1 | 93.8 | 88.0 | 79.1 | 64.3 | 52.3 | 95.1 |
| Year Highest Occurred | 1986 | 1995 | 1972 | 1987 | 1992 | 2000 | 1994 | 1998 | 1979 | 1988 | 1995 | 1989 | 1994 |
| Lowest Mean Max. Temperature (F) | 35.6 | 42.9 | 50.4 | 54.2 | 62.8 | 76.2 | 86.1 | 81.6 | 72.6 | 61.5 | 44.7 | 38.6 | 35.6 |
| Year Lowest Occurred | 1993 | 1993 | 1991 | 1975 | 1977 | 1995 | 1993 | 1976 | 1986 | 1984 | 1994 | 1978 | 1993 |
| Mean Temperature (F) | 33.6 | 38.5 | 43.3 | 48.6 | 56.4 | 64.7 | 71.3 | 69.9 | 62.4 | 52.0 | 40.9 | 33.6 | 51.3 |
| Highest Mean Temperature (F) | 40.3 | 46.0 | 48.7 | 55.8 | 64.9 | 70.9 | 77.2 | 74.9 | 65.8 | 58.4 | 46.7 | 39.5 | 77.2 |
| Year Highest Occurred | 1986 | 1995 | 1994 | 1992 | 1992 | 2000 | 1994 | 1998 | 1999 | 1988 | 1999 | 1981 | 1994 |
| Lowest Mean Temperature (F) | 25.7 | 30.8 | 38.3 | 40.2 | 48.7 | 59.8 | 67.1 | 62.5 | 56.3 | 46.5 | 35.1 | 25.4 | 25.4 |
| Year Lowest Occurred | 1993 | 1990 | 1973 | 1975 | 1977 | 1971 | 1974 | 1976 | 1986 | 1971 | 1994 | 1978 | 1978 |
| Mean Min. Temperature (F) | 21.8 | 25.4 | 29.3 | 33.2 | 40.2 | 46.5 | 51.4 | 49.9 | 43.1 | 34.0 | 26.4 | 20.7 | 35.2 |
| Highest Mean Min. Temperature (F) | 31.2 | 31.3 | 35.8 | 40.2 | 47.2 | 53.5 | 59.2 | 56.0 | 52.5 | 40.9 | 31.5 | 30.4 | 59.2 |
| Year Highest Occurred | 1995 | 1986 | 1993 | 1992 | 1992 | 2000 | 1994 | 1998 | 1998 | 1993 | 1998 | 1983 | 1994 |
| Lowest Mean Min. Temperature (F) | 13.6 | 17.1 | 21.8 | 26.2 | 34.2 | 40.0 | 44.9 | 43.1 | 34.8 | 27.2 | 17.9 | 10.9 | 10.9 |
| Year Lowest Occurred | 1972 | 1990 | 1976 | 1975 | 1978 | 1971 | 1981 | 1974 | 1971 | 1971 | 1975 | 1976 | 1976 |
| Mean Precipitation (in.) | 1.06 | 1.06 | 0.86 | 0.35 | 0.62 | 0.47 | 0.24 | 0.27 | 0.45 | 0.42 | 0.80 | 0.88 | 7.48 |
| Highest Precipitation (in.) | 3.32 | 4.84 | 2.87 | 1.35 | 2.38 | 1.53 | 1.06 | 1.03 | 2.31 | 1.65 | 3.08 | 3.03 | 4.84 |
| Year Highest Occurred | 1997 | 1986 | 1995 | 1983 | 1971 | 1989 | 1971 | 1975 | 1982 | 1982 | 1983 | 1996 | 1986 |
| Lowest Precipitation (in.) | 0.01 | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 | 0.00 |
| Year Lowest Occurred | 1991 | 1988 | 1988 | 1985 | 1985 | 1994 | 2000 | 1998 | 1995 | 1995 | 1999 | 1989 | 1988 |
| Heating Degree Days (F) | 984. | 756. | 683. | 502. | 285. | 91. | 12. | 22. | 130. | 416. | 732. | 987. | 5600. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 11. | 72. | 204. | 164. | 41. | 1. | 0. | 0. | 493. |