| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 36.3 | 45.3 | 54.8 | 64.4 | 74.9 | 86.1 | 91.9 | 89.1 | 80.0 | 67.4 | 51.9 | 39.6 | 65.1 |
| Highest Mean Max. Temperature (F) | 49.3 | 52.8 | 64.1 | 71.6 | 80.8 | 92.0 | 94.9 | 94.0 | 85.7 | 73.6 | 56.8 | 51.2 | 68.1 |
| Year Highest Occurred | 1981 | 1970 | 1972 | 1989 | 1963 | 1977 | 1980 | 1985 | 1979 | 1988 | 1962 | 1980 | 1981 |
| Lowest Mean Max. Temperature (F) | 23.5 | 34.4 | 48.0 | 57.4 | 69.4 | 79.9 | 88.9 | 82.1 | 71.8 | 57.8 | 44.5 | 28.1 | 62.7 |
| Year Lowest Occurred | 1963 | 1974 | 1964 | 1968 | 1975 | 1967 | 1965 | 1968 | 1961 | 1969 | 1979 | 1978 | 1979 |
| Mean Temperature (F) | 25.4 | 34.0 | 43.0 | 51.5 | 61.3 | 71.4 | 77.5 | 74.9 | 65.9 | 54.0 | 40.4 | 29.2 | 52.4 |
| Highest Mean Temperature (F) | 36.8 | 40.3 | 49.8 | 57.1 | 66.3 | 75.9 | 80.0 | 77.9 | 70.4 | 59.8 | 45.8 | 39.6 | 54.8 |
| Year Highest Occurred | 1981 | 1986 | 1986 | 1989 | 1969 | 1977 | 1988 | 1969 | 1979 | 1963 | 1965 | 1980 | 1981 |
| Lowest Mean Temperature (F) | 13.1 | 21.1 | 36.5 | 46.1 | 56.5 | 66.5 | 74.9 | 69.6 | 59.7 | 47.2 | 33.3 | 18.4 | 50.2 |
| Year Lowest Occurred | 1963 | 1974 | 1964 | 1970 | 1983 | 1967 | 1987 | 1968 | 1961 | 1969 | 1979 | 1978 | 1975 |
| Mean Min. Temperature (F) | 14.4 | 22.6 | 31.1 | 38.6 | 47.5 | 56.6 | 63.0 | 60.7 | 51.8 | 40.4 | 29.0 | 18.8 | 39.5 |
| Highest Mean Min. Temperature (F) | 24.5 | 28.6 | 37.2 | 43.5 | 52.3 | 60.7 | 65.6 | 64.3 | 56.0 | 46.1 | 35.3 | 27.9 | 42.1 |
| Year Highest Occurred | 1980 | 1980 | 1978 | 1990 | 1969 | 1988 | 1966 | 1969 | 1990 | 1963 | 1965 | 1980 | 1986 |
| Lowest Mean Min. Temperature (F) | 1.6 | 7.8 | 25.0 | 33.7 | 43.0 | 52.4 | 57.9 | 56.9 | 47.5 | 34.5 | 22.1 | 8.7 | 37.0 |
| Year Lowest Occurred | 1973 | 1974 | 1964 | 1975 | 1983 | 1975 | 1978 | 1978 | 1961 | 1976 | 1979 | 1978 | 1975 |
| Mean Precipitation (in.) | 0.49 | 0.51 | 0.91 | 0.70 | 0.91 | 0.50 | 0.72 | 0.86 | 0.82 | 0.96 | 0.76 | 0.67 | 8.81 |
| Highest Precipitation (in.) | 1.40 | 1.47 | 2.41 | 1.75 | 2.30 | 1.86 | 1.54 | 3.22 | 2.90 | 3.28 | 2.77 | 2.28 | 15.02 |
| Year Highest Occurred | 1973 | 1962 | 1970 | 1985 | 1973 | 1983 | 1985 | 1963 | 1961 | 1972 | 1983 | 1983 | 1965 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.06 | 0.00 | 0.00 | 0.00 | 5.71 |
| Year Lowest Occurred | 1961 | 1981 | 1966 | 1967 | 1974 | 1980 | 1978 | 1985 | 1979 | 1988 | 1989 | 1976 | 1989 |
| Heating Degree Days (F) | 1228. | 868. | 682. | 409. | 148. | 18. | 0. | 0. | 68. | 351. | 738. | 1110. | 5620. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 34. | 210. | 388. | 307. | 95. | 10. | 0. | 0. | 1044. |