| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 40.8 | 46.5 | 53.5 | 61.1 | 70.1 | 79.7 | 88.4 | 87.3 | 78.4 | 65.9 | 50.7 | 41.8 | 63.7 |
| Highest Mean Max. Temperature (F) | 47.6 | 55.8 | 59.8 | 69.0 | 80.4 | 85.3 | 93.2 | 91.6 | 83.8 | 74.8 | 61.3 | 48.3 | 93.2 |
| Year Highest Occurred | 1986 | 1995 | 1986 | 1987 | 1992 | 1977 | 1994 | 1981 | 1979 | 1988 | 1995 | 1995 | 1994 |
| Lowest Mean Max. Temperature (F) | 30.4 | 36.6 | 46.5 | 50.0 | 58.6 | 73.3 | 80.7 | 78.2 | 68.2 | 58.9 | 41.2 | 34.3 | 30.4 |
| Year Lowest Occurred | 1993 | 1989 | 1975 | 1975 | 1998 | 1993 | 1983 | 1976 | 1986 | 1984 | 1994 | 1972 | 1993 |
| Mean Temperature (F) | 30.8 | 36.0 | 41.4 | 47.0 | 54.4 | 62.7 | 69.1 | 68.0 | 60.1 | 49.8 | 38.8 | 31.3 | 49.1 |
| Highest Mean Temperature (F) | 38.3 | 42.8 | 47.0 | 54.1 | 61.6 | 67.8 | 74.2 | 72.0 | 63.4 | 55.8 | 44.8 | 38.2 | 74.2 |
| Year Highest Occurred | 1986 | 1995 | 1986 | 1990 | 1992 | 1977 | 1988 | 1998 | 1987 | 1988 | 1995 | 1981 | 1988 |
| Lowest Mean Temperature (F) | 19.2 | 26.3 | 37.2 | 39.1 | 47.7 | 58.0 | 62.2 | 60.4 | 54.1 | 45.6 | 31.5 | 24.1 | 19.2 |
| Year Lowest Occurred | 1993 | 1989 | 1985 | 1975 | 1977 | 1993 | 1993 | 1976 | 1986 | 1981 | 1993 | 1990 | 1993 |
| Mean Min. Temperature (F) | 20.8 | 25.5 | 29.2 | 32.9 | 38.7 | 45.7 | 49.8 | 48.7 | 41.8 | 33.7 | 26.9 | 20.7 | 34.5 |
| Highest Mean Min. Temperature (F) | 29.0 | 31.9 | 34.2 | 39.2 | 44.3 | 50.2 | 55.3 | 53.2 | 49.0 | 40.1 | 34.5 | 29.3 | 55.3 |
| Year Highest Occurred | 1998 | 1986 | 1978 | 1990 | 1997 | 1977 | 1988 | 1998 | 1998 | 1979 | 1973 | 1981 | 1988 |
| Lowest Mean Min. Temperature (F) | 7.9 | 14.5 | 23.5 | 27.8 | 35.2 | 40.5 | 40.8 | 42.6 | 35.9 | 29.2 | 14.4 | 12.2 | 7.9 |
| Year Lowest Occurred | 1993 | 1990 | 1976 | 1976 | 1977 | 1976 | 1993 | 1976 | 1994 | 1976 | 1993 | 1992 | 1993 |
| Mean Precipitation (in.) | 2.36 | 2.06 | 1.53 | 0.57 | 0.88 | 0.45 | 0.28 | 0.19 | 0.49 | 1.00 | 1.65 | 1.98 | 13.44 |
| Highest Precipitation (in.) | 9.48 | 7.51 | 3.93 | 1.78 | 3.35 | 1.88 | 1.49 | 1.67 | 2.41 | 3.05 | 6.99 | 8.36 | 9.48 |
| Year Highest Occurred | 1993 | 1986 | 1974 | 1982 | 1971 | 1977 | 1979 | 1976 | 1982 | 1982 | 1981 | 1996 | 1993 |
| Lowest Precipitation (in.) | 0.08 | 0.12 | 0.09 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.02 | 0.00 | 0.00 |
| Year Lowest Occurred | 1994 | 1971 | 1990 | 1973 | 1984 | 1985 | 1999 | 2000 | 1995 | 1998 | 1992 | 2000 | 1973 |
| Heating Degree Days (F) | 1060. | 813. | 734. | 541. | 339. | 127. | 37. | 39. | 172. | 473. | 787. | 1046. | 6168. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 1. | 10. | 58. | 164. | 132. | 25. | 0. | 0. | 0. | 390. |