| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 55.6 | 60.5 | 69.2 | 78.5 | 85.3 | 91.0 | 93.7 | 92.8 | 85.6 | 77.4 | 66.5 | 57.8 | 76.2 |
| Highest Mean Max. Temperature (F) | 63.9 | 70.7 | 77.5 | 86.3 | 92.2 | 98.6 | 100.1 | 97.3 | 95.4 | 84.2 | 72.9 | 66.0 | 78.2 |
| Year Highest Occurred | 1969 | 1962 | 1974 | 1978 | 1962 | 1990 | 1980 | 1983 | 1977 | 1979 | 1966 | 1981 | 1963 |
| Lowest Mean Max. Temperature (F) | 45.1 | 51.8 | 59.9 | 70.8 | 81.0 | 87.5 | 85.6 | 85.0 | 75.7 | 70.7 | 57.1 | 45.3 | 74.7 |
| Year Lowest Occurred | 1979 | 1978 | 1969 | 1973 | 1976 | 1987 | 1976 | 1971 | 1974 | 1976 | 1972 | 1983 | 1976 |
| Mean Temperature (F) | 41.9 | 46.6 | 54.7 | 64.5 | 72.2 | 78.8 | 82.2 | 81.1 | 74.2 | 64.6 | 53.4 | 44.6 | 63.2 |
| Highest Mean Temperature (F) | 48.7 | 54.4 | 62.0 | 70.6 | 78.2 | 86.0 | 87.8 | 84.7 | 80.9 | 69.3 | 59.1 | 50.6 | 64.9 |
| Year Highest Occurred | 1969 | 1976 | 1967 | 1978 | 1962 | 1990 | 1980 | 1983 | 1977 | 1963 | 1966 | 1981 | 1986 |
| Lowest Mean Temperature (F) | 34.4 | 39.0 | 46.5 | 56.8 | 67.3 | 75.8 | 76.1 | 75.2 | 65.7 | 56.4 | 45.6 | 34.7 | 61.4 |
| Year Lowest Occurred | 1979 | 1978 | 1969 | 1973 | 1976 | 1982 | 1976 | 1971 | 1974 | 1976 | 1976 | 1983 | 1976 |
| Mean Min. Temperature (F) | 28.2 | 32.6 | 40.2 | 50.4 | 59.1 | 66.6 | 70.6 | 69.3 | 62.7 | 51.8 | 40.3 | 31.3 | 50.3 |
| Highest Mean Min. Temperature (F) | 33.5 | 39.7 | 46.5 | 57.5 | 64.1 | 73.3 | 75.4 | 72.4 | 66.3 | 56.5 | 45.6 | 38.2 | 52.6 |
| Year Highest Occurred | 1969 | 1986 | 1967 | 1967 | 1962 | 1990 | 1980 | 1985 | 1986 | 1983 | 1965 | 1965 | 1986 |
| Lowest Mean Min. Temperature (F) | 21.0 | 26.1 | 32.1 | 42.8 | 53.5 | 62.3 | 66.6 | 65.3 | 55.6 | 42.0 | 33.7 | 23.8 | 48.1 |
| Year Lowest Occurred | 1963 | 1978 | 1965 | 1973 | 1976 | 1973 | 1976 | 1971 | 1974 | 1976 | 1976 | 1989 | 1976 |
| Mean Precipitation (in.) | 0.63 | 0.77 | 0.75 | 1.34 | 2.79 | 2.31 | 1.71 | 2.04 | 3.91 | 1.57 | 0.80 | 0.61 | 19.23 |
| Highest Precipitation (in.) | 3.44 | 2.14 | 2.56 | 4.35 | 9.11 | 5.79 | 5.80 | 6.37 | 14.22 | 6.16 | 3.89 | 2.46 | 29.34 |
| Year Highest Occurred | 1983 | 1973 | 1970 | 1966 | 1975 | 1986 | 1961 | 1986 | 1980 | 1986 | 1968 | 1979 | 1980 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.09 | 0.02 | 0.00 | 0.04 | 0.00 | 0.00 | 0.00 | 0.00 | 11.43 |
| Year Lowest Occurred | 1987 | 1976 | 1984 | 1986 | 1990 | 1990 | 1970 | 1961 | 1977 | 1988 | 1988 | 1985 | 1964 |
| Heating Degree Days (F) | 716. | 515. | 336. | 107. | 9. | 0. | 0. | 0. | 8. | 93. | 356. | 632. | 2772. |
| Cooling Degree Days (F) | 0. | 0. | 17. | 92. | 232. | 414. | 533. | 499. | 284. | 81. | 8. | 0. | 2160. |