| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 53.4 | 58.1 | 63.9 | 71.7 | 79.2 | 87.7 | 86.6 | 83.5 | 79.3 | 72.0 | 61.6 | 53.6 | 70.9 |
| Highest Mean Max. Temperature (F) | 59.6 | 62.8 | 72.6 | 77.2 | 84.2 | 93.1 | 90.2 | 88.9 | 82.1 | 79.2 | 66.8 | 60.8 | 72.3 |
| Year Highest Occurred | 1986 | 1972 | 1972 | 1962 | 1984 | 1974 | 1971 | 1962 | 1979 | 1979 | 1981 | 1981 | 1962 |
| Lowest Mean Max. Temperature (F) | 48.2 | 50.8 | 56.5 | 64.4 | 73.7 | 84.6 | 82.1 | 79.1 | 76.7 | 65.7 | 56.6 | 47.1 | 68.9 |
| Year Lowest Occurred | 1979 | 1966 | 1973 | 1983 | 1987 | 1984 | 1986 | 1990 | 1987 | 1976 | 1972 | 1967 | 1987 |
| Mean Temperature (F) | 38.2 | 41.3 | 46.4 | 52.9 | 59.7 | 68.0 | 71.2 | 68.7 | 63.8 | 54.9 | 45.2 | 38.7 | 54.1 |
| Highest Mean Temperature (F) | 43.9 | 44.9 | 52.4 | 56.9 | 64.3 | 72.0 | 73.7 | 72.3 | 67.7 | 58.2 | 48.6 | 43.3 | 55.2 |
| Year Highest Occurred | 1969 | 1976 | 1972 | 1962 | 1984 | 1990 | 1971 | 1969 | 1983 | 1987 | 1965 | 1977 | 1981 |
| Lowest Mean Temperature (F) | 33.5 | 35.4 | 41.9 | 46.9 | 57.0 | 64.5 | 68.5 | 65.5 | 61.4 | 50.6 | 41.4 | 34.7 | 52.6 |
| Year Lowest Occurred | 1966 | 1966 | 1973 | 1973 | 1975 | 1965 | 1986 | 1990 | 1988 | 1976 | 1976 | 1988 | 1973 |
| Mean Min. Temperature (F) | 22.8 | 24.4 | 28.9 | 34.0 | 40.1 | 48.2 | 55.7 | 53.9 | 48.3 | 37.8 | 28.7 | 23.7 | 37.2 |
| Highest Mean Min. Temperature (F) | 29.4 | 28.9 | 32.2 | 39.7 | 44.3 | 51.9 | 57.5 | 57.2 | 53.5 | 43.2 | 33.7 | 28.9 | 39.1 |
| Year Highest Occurred | 1969 | 1968 | 1972 | 1986 | 1984 | 1984 | 1970 | 1969 | 1983 | 1972 | 1978 | 1983 | 1986 |
| Lowest Mean Min. Temperature (F) | 17.4 | 17.3 | 24.0 | 29.0 | 36.9 | 44.0 | 53.4 | 50.7 | 44.7 | 33.5 | 25.1 | 17.7 | 35.4 |
| Year Lowest Occurred | 1966 | 1964 | 1969 | 1973 | 1975 | 1965 | 1968 | 1973 | 1973 | 1965 | 1979 | 1989 | 1973 |
| Mean Precipitation (in.) | 1.30 | 1.09 | 0.91 | 0.57 | 0.32 | 0.87 | 4.91 | 3.91 | 2.63 | 1.67 | 1.28 | 2.17 | 21.63 |
| Highest Precipitation (in.) | 3.41 | 3.66 | 3.21 | 3.78 | 1.41 | 2.55 | 9.39 | 11.23 | 7.57 | 6.56 | 3.48 | 7.61 | 33.57 |
| Year Highest Occurred | 1979 | 1980 | 1983 | 1987 | 1973 | 1981 | 1962 | 1963 | 1967 | 1972 | 1982 | 1967 | 1967 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 2.04 | 0.93 | 0.18 | 0.00 | 0.00 | 0.00 | 14.17 |
| Year Lowest Occurred | 1970 | 1972 | 1984 | 1972 | 1988 | 1971 | 1961 | 1962 | 1984 | 1982 | 1989 | 1981 | 1970 |
| Heating Degree Days (F) | 831. | 664. | 577. | 363. | 169. | 23. | 0. | 8. | 63. | 313. | 594. | 815. | 4420. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 113. | 192. | 123. | 27. | 0. | 0. | 0. | 455. |