| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 41.7 | 47.0 | 52.9 | 61.5 | 71.9 | 83.7 | 90.2 | 87.4 | 79.0 | 67.0 | 52.7 | 43.0 | 64.8 |
| Highest Mean Max. Temperature (F) | 51.3 | 55.6 | 64.4 | 70.3 | 80.9 | 89.0 | 94.1 | 90.2 | 87.0 | 75.5 | 59.8 | 53.3 | 68.6 |
| Year Highest Occurred | 1986 | 1972 | 1972 | 1989 | 1984 | 1981 | 1981 | 1981 | 1979 | 1988 | 1976 | 1980 | 1976 |
| Lowest Mean Max. Temperature (F) | 31.5 | 40.6 | 43.6 | 53.4 | 64.3 | 76.8 | 86.4 | 79.0 | 70.8 | 58.0 | 43.1 | 32.9 | 61.9 |
| Year Lowest Occurred | 1973 | 1966 | 1973 | 1975 | 1971 | 1965 | 1968 | 1968 | 1986 | 1972 | 1972 | 1967 | 1973 |
| Mean Temperature (F) | 29.5 | 34.6 | 40.0 | 47.5 | 56.5 | 66.7 | 74.1 | 72.0 | 63.0 | 51.6 | 39.7 | 30.6 | 50.5 |
| Highest Mean Temperature (F) | 37.1 | 40.3 | 47.3 | 54.0 | 62.5 | 71.3 | 78.3 | 74.7 | 68.9 | 57.6 | 44.3 | 39.1 | 53.6 |
| Year Highest Occurred | 1986 | 1968 | 1972 | 1989 | 1984 | 1981 | 1981 | 1969 | 1979 | 1988 | 1981 | 1977 | 1981 |
| Lowest Mean Temperature (F) | 20.4 | 27.6 | 33.4 | 42.1 | 51.9 | 61.5 | 71.0 | 66.1 | 57.2 | 45.1 | 34.1 | 20.8 | 48.3 |
| Year Lowest Occurred | 1973 | 1964 | 1964 | 1975 | 1971 | 1965 | 1987 | 1968 | 1965 | 1969 | 1964 | 1990 | 1973 |
| Mean Min. Temperature (F) | 17.2 | 22.1 | 27.1 | 33.4 | 41.1 | 49.6 | 58.0 | 56.5 | 47.1 | 36.2 | 26.7 | 18.2 | 36.1 |
| Highest Mean Min. Temperature (F) | 26.5 | 29.7 | 34.1 | 37.6 | 45.4 | 54.2 | 62.5 | 60.1 | 51.1 | 42.3 | 31.0 | 26.3 | 38.9 |
| Year Highest Occurred | 1980 | 1983 | 1978 | 1989 | 1976 | 1977 | 1981 | 1982 | 1990 | 1963 | 1981 | 1977 | 1981 |
| Lowest Mean Min. Temperature (F) | 6.8 | 12.9 | 20.5 | 28.1 | 38.2 | 46.1 | 54.6 | 53.1 | 41.5 | 30.2 | 20.2 | 6.9 | 34.4 |
| Year Lowest Occurred | 1989 | 1964 | 1964 | 1970 | 1983 | 1967 | 1962 | 1968 | 1965 | 1969 | 1964 | 1990 | 1964 |
| Mean Precipitation (in.) | 0.69 | 0.89 | 1.36 | 1.10 | 0.84 | 0.43 | 1.09 | 1.47 | 0.98 | 0.95 | 1.00 | 0.70 | 11.50 |
| Highest Precipitation (in.) | 2.98 | 2.38 | 2.97 | 3.14 | 2.16 | 1.29 | 4.37 | 4.38 | 4.62 | 3.33 | 2.58 | 1.75 | 16.94 |
| Year Highest Occurred | 1980 | 1980 | 1978 | 1988 | 1981 | 1970 | 1975 | 1984 | 1967 | 1972 | 1987 | 1965 | 1967 |
| Lowest Precipitation (in.) | 0.04 | 0.00 | 0.00 | 0.08 | 0.00 | 0.00 | 0.05 | 0.00 | 0.00 | 0.01 | 0.03 | 0.00 | 6.24 |
| Year Lowest Occurred | 1964 | 1972 | 1972 | 1989 | 1974 | 1978 | 1963 | 1985 | 1984 | 1964 | 1968 | 1989 | 1989 |
| Heating Degree Days (F) | 1101. | 851. | 775. | 525. | 275. | 60. | 0. | 0. | 129. | 421. | 759. | 1066. | 5962. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 12. | 111. | 282. | 219. | 69. | 5. | 0. | 0. | 698. |