| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 53.5 | 57.6 | 62.1 | 69.6 | 78.0 | 87.6 | 88.0 | 85.2 | 80.8 | 71.8 | 61.2 | 54.1 | 70.8 |
| Highest Mean Max. Temperature (F) | 60.7 | 63.7 | 72.2 | 78.5 | 84.6 | 93.2 | 91.6 | 89.0 | 85.5 | 76.7 | 70.3 | 62.1 | 93.2 |
| Year Highest Occurred | 1986 | 1977 | 1972 | 1989 | 1996 | 1974 | 1978 | 1994 | 2000 | 1999 | 1999 | 1977 | 1974 |
| Lowest Mean Max. Temperature (F) | 46.0 | 51.0 | 54.3 | 61.8 | 72.6 | 84.1 | 83.0 | 81.2 | 75.8 | 61.7 | 54.1 | 47.4 | 46.0 |
| Year Lowest Occurred | 1979 | 1998 | 1973 | 1983 | 1980 | 1984 | 1986 | 1984 | 1985 | 1984 | 2000 | 1971 | 1979 |
| Mean Temperature (F) | 36.1 | 39.2 | 43.5 | 49.6 | 57.7 | 66.4 | 70.5 | 68.4 | 62.9 | 53.2 | 42.0 | 36.0 | 52.1 |
| Highest Mean Temperature (F) | 39.9 | 44.4 | 49.2 | 57.8 | 63.2 | 71.6 | 73.3 | 72.0 | 67.2 | 58.8 | 46.3 | 41.8 | 73.3 |
| Year Highest Occurred | 1986 | 1995 | 1989 | 1989 | 1996 | 1994 | 1994 | 1994 | 1997 | 1988 | 1995 | 1977 | 1994 |
| Lowest Mean Temperature (F) | 31.4 | 35.5 | 38.0 | 43.6 | 53.1 | 63.3 | 66.8 | 65.7 | 58.8 | 47.5 | 36.9 | 32.2 | 31.4 |
| Year Lowest Occurred | 1973 | 1974 | 1981 | 1975 | 1980 | 1983 | 1986 | 1979 | 1985 | 1980 | 2000 | 1971 | 1973 |
| Mean Min. Temperature (F) | 18.7 | 20.7 | 24.9 | 29.5 | 37.4 | 45.2 | 53.0 | 51.6 | 45.0 | 34.5 | 22.7 | 17.9 | 33.4 |
| Highest Mean Min. Temperature (F) | 26.1 | 26.4 | 29.5 | 37.0 | 42.7 | 50.6 | 56.4 | 57.0 | 50.4 | 41.6 | 27.9 | 23.7 | 57.0 |
| Year Highest Occurred | 1980 | 1989 | 1989 | 1989 | 1997 | 1994 | 1989 | 1988 | 1983 | 1988 | 1982 | 1986 | 1988 |
| Lowest Mean Min. Temperature (F) | 12.5 | 12.9 | 19.1 | 23.2 | 31.7 | 40.7 | 49.9 | 46.6 | 39.7 | 23.3 | 14.3 | 12.4 | 12.4 |
| Year Lowest Occurred | 1971 | 1974 | 1981 | 1975 | 1971 | 1975 | 1973 | 1980 | 1980 | 1980 | 1980 | 1973 | 1973 |
| Mean Precipitation (in.) | 1.53 | 1.43 | 1.41 | 0.54 | 0.63 | 0.69 | 3.59 | 3.80 | 2.43 | 2.41 | 1.02 | 1.66 | 21.14 |
| Highest Precipitation (in.) | 5.80 | 5.21 | 3.15 | 2.89 | 1.72 | 3.91 | 5.89 | 7.79 | 6.89 | 13.79 | 3.22 | 8.38 | 13.79 |
| Year Highest Occurred | 1993 | 1980 | 1986 | 1988 | 1992 | 1972 | 1999 | 1984 | 1983 | 1972 | 1982 | 1984 | 1972 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.48 | 1.11 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1972 | 1984 | 1972 | 1991 | 2000 | 1989 | 1993 | 1989 | 1973 | 1999 | 1999 | 1981 | 1972 |
| Heating Degree Days (F) | 895. | 724. | 666. | 465. | 244. | 52. | 5. | 17. | 102. | 372. | 691. | 900. | 5133. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 2. | 18. | 94. | 175. | 122. | 39. | 4. | 0. | 0. | 454. |