| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 51.8 | 59.1 | 66.8 | 75.5 | 83.0 | 91.2 | 92.7 | 89.9 | 83.7 | 75.0 | 62.4 | 52.5 | 73.6 |
| Highest Mean Max. Temperature (F) | 59.8 | 64.0 | 74.3 | 82.8 | 88.8 | 98.8 | 97.5 | 94.7 | 87.2 | 79.5 | 67.8 | 59.5 | 76.9 |
| Year Highest Occurred | 1986 | 1986 | 1989 | 1989 | 1989 | 1990 | 1980 | 1962 | 1989 | 1963 | 1981 | 1977 | 1989 |
| Lowest Mean Max. Temperature (F) | 44.6 | 48.1 | 60.8 | 67.9 | 79.4 | 86.9 | 89.7 | 85.5 | 80.1 | 67.4 | 55.8 | 45.4 | 71.5 |
| Year Lowest Occurred | 1961 | 1964 | 1973 | 1973 | 1973 | 1973 | 1986 | 1968 | 1975 | 1984 | 1972 | 1967 | 1973 |
| Mean Temperature (F) | 36.4 | 42.3 | 49.1 | 56.8 | 64.8 | 72.8 | 76.9 | 74.6 | 67.8 | 57.4 | 45.6 | 37.4 | 56.8 |
| Highest Mean Temperature (F) | 42.5 | 47.9 | 54.2 | 62.7 | 70.3 | 77.4 | 80.4 | 78.2 | 72.5 | 62.4 | 50.7 | 42.7 | 59.2 |
| Year Highest Occurred | 1969 | 1962 | 1974 | 1989 | 1984 | 1990 | 1963 | 1962 | 1963 | 1963 | 1965 | 1980 | 1963 |
| Lowest Mean Temperature (F) | 33.0 | 33.2 | 43.8 | 50.6 | 60.6 | 68.8 | 74.0 | 71.1 | 65.2 | 53.1 | 40.3 | 32.7 | 54.4 |
| Year Lowest Occurred | 1961 | 1964 | 1969 | 1973 | 1975 | 1973 | 1973 | 1968 | 1973 | 1976 | 1976 | 1974 | 1973 |
| Mean Min. Temperature (F) | 21.0 | 25.4 | 31.4 | 38.1 | 46.5 | 54.3 | 61.1 | 59.2 | 51.7 | 39.8 | 28.9 | 22.2 | 40.0 |
| Highest Mean Min. Temperature (F) | 27.4 | 32.5 | 35.3 | 43.0 | 52.9 | 58.8 | 65.9 | 63.4 | 58.2 | 45.2 | 35.6 | 29.1 | 43.5 |
| Year Highest Occurred | 1980 | 1962 | 1974 | 1963 | 1963 | 1961 | 1966 | 1963 | 1963 | 1963 | 1965 | 1965 | 1965 |
| Lowest Mean Min. Temperature (F) | 15.7 | 17.4 | 26.1 | 33.2 | 40.8 | 50.6 | 58.0 | 54.8 | 46.3 | 33.8 | 21.7 | 17.1 | 37.3 |
| Year Lowest Occurred | 1971 | 1974 | 1969 | 1973 | 1972 | 1973 | 1987 | 1990 | 1968 | 1973 | 1976 | 1989 | 1973 |
| Mean Precipitation (in.) | 0.39 | 0.39 | 0.27 | 0.36 | 0.52 | 0.57 | 1.44 | 1.90 | 1.53 | 1.11 | 0.47 | 0.58 | 9.53 |
| Highest Precipitation (in.) | 1.82 | 1.36 | 0.91 | 1.42 | 2.53 | 2.96 | 3.61 | 6.34 | 4.84 | 5.37 | 1.60 | 2.31 | 16.41 |
| Year Highest Occurred | 1983 | 1983 | 1968 | 1990 | 1987 | 1986 | 1976 | 1988 | 1980 | 1972 | 1978 | 1984 | 1986 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.15 | 0.19 | 0.11 | 0.01 | 0.00 | 0.00 | 5.07 |
| Year Lowest Occurred | 1976 | 1989 | 1984 | 1989 | 1988 | 1989 | 1987 | 1962 | 1970 | 1975 | 1977 | 1990 | 1970 |
| Heating Degree Days (F) | 887. | 636. | 493. | 260. | 91. | 0. | 0. | 0. | 26. | 243. | 582. | 856. | 4074. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 14. | 84. | 237. | 369. | 298. | 110. | 8. | 0. | 0. | 1120. |