| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 40.1 | 46.3 | 56.0 | 64.9 | 74.4 | 81.8 | 90.2 | 89.3 | 79.2 | 65.0 | 49.3 | 40.5 | 64.8 |
| Highest Mean Max. Temperature (F) | 48.3 | 52.4 | 61.6 | 72.0 | 81.8 | 90.3 | 98.9 | 95.9 | 85.7 | 70.8 | 55.6 | 46.2 | 98.9 |
| Year Highest Occurred | 1994 | 1995 | 1992 | 1977 | 1992 | 1986 | 1985 | 1991 | 1991 | 1988 | 1995 | 1999 | 1985 |
| Lowest Mean Max. Temperature (F) | 24.4 | 36.1 | 50.8 | 59.9 | 68.3 | 75.7 | 81.0 | 83.2 | 73.1 | 61.1 | 37.1 | 28.0 | 24.4 |
| Year Lowest Occurred | 1979 | 1989 | 1971 | 1972 | 1977 | 1980 | 1993 | 1980 | 1977 | 1982 | 1985 | 1985 | 1979 |
| Mean Temperature (F) | 34.0 | 38.6 | 46.2 | 53.6 | 61.9 | 68.9 | 75.9 | 75.2 | 65.6 | 53.5 | 42.2 | 34.9 | 54.2 |
| Highest Mean Temperature (F) | 41.2 | 43.3 | 51.5 | 57.9 | 66.7 | 76.0 | 82.6 | 81.2 | 71.5 | 58.0 | 47.9 | 40.8 | 82.6 |
| Year Highest Occurred | 1999 | 1998 | 1986 | 1977 | 1993 | 1986 | 1985 | 1991 | 1998 | 1988 | 1995 | 1999 | 1985 |
| Lowest Mean Temperature (F) | 17.6 | 28.1 | 42.0 | 48.2 | 57.8 | 64.3 | 68.8 | 70.5 | 60.7 | 51.1 | 31.3 | 24.6 | 17.6 |
| Year Lowest Occurred | 1979 | 1989 | 1976 | 1982 | 1977 | 1976 | 1993 | 1980 | 1971 | 1972 | 1985 | 1985 | 1979 |
| Mean Min. Temperature (F) | 27.9 | 30.9 | 36.4 | 42.2 | 49.4 | 55.9 | 61.6 | 61.0 | 51.9 | 42.0 | 35.0 | 29.2 | 43.6 |
| Highest Mean Min. Temperature (F) | 34.9 | 37.0 | 42.0 | 46.8 | 52.6 | 61.7 | 67.3 | 66.6 | 57.8 | 46.2 | 40.5 | 35.4 | 67.3 |
| Year Highest Occurred | 1981 | 1992 | 1986 | 1992 | 1993 | 1986 | 1998 | 1977 | 1998 | 1979 | 1998 | 1999 | 1998 |
| Lowest Mean Min. Temperature (F) | 10.8 | 20.1 | 32.3 | 36.0 | 46.2 | 51.7 | 56.6 | 56.1 | 47.9 | 38.4 | 25.4 | 19.4 | 10.8 |
| Year Lowest Occurred | 1979 | 1989 | 1976 | 1982 | 1999 | 1971 | 1993 | 1993 | 1971 | 1987 | 1985 | 1972 | 1979 |
| Mean Precipitation (in.) | 1.39 | 0.99 | 0.76 | 0.67 | 0.65 | 0.35 | 0.18 | 0.29 | 0.43 | 0.66 | 1.24 | 1.44 | 9.05 |
| Highest Precipitation (in.) | 3.08 | 2.33 | 2.43 | 3.46 | 1.82 | 1.31 | 0.91 | 1.77 | 1.85 | 2.34 | 3.83 | 4.31 | 4.31 |
| Year Highest Occurred | 1995 | 2000 | 1983 | 1988 | 1998 | 1991 | 1978 | 1990 | 1982 | 1982 | 1996 | 1996 | 1996 |
| Lowest Precipitation (in.) | 0.16 | 0.00 | 0.06 | 0.00 | 0.07 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.18 | 0.22 | 0.00 |
| Year Lowest Occurred | 1985 | 1988 | 1981 | 1977 | 1992 | 1999 | 2000 | 1994 | 1999 | 1993 | 1976 | 1976 | 1988 |
| Heating Degree Days (F) | 961. | 739. | 582. | 347. | 141. | 42. | 7. | 6. | 90. | 357. | 686. | 935. | 4893. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 4. | 45. | 157. | 344. | 322. | 106. | 1. | 0. | 0. | 979. |