| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 59.9 | 66.4 | 75.2 | 84.6 | 91.8 | 97.9 | 98.9 | 97.5 | 90.6 | 81.9 | 70.6 | 62.0 | 81.4 |
| Highest Mean Max. Temperature (F) | 67.9 | 76.4 | 84.2 | 91.8 | 97.1 | 103.0 | 103.3 | 103.6 | 99.6 | 88.8 | 78.2 | 69.9 | 84.3 |
| Year Highest Occurred | 1971 | 1976 | 1974 | 1972 | 1962 | 1990 | 1980 | 1977 | 1977 | 1979 | 1965 | 1970 | 1977 |
| Lowest Mean Max. Temperature (F) | 51.0 | 59.2 | 66.8 | 77.9 | 86.5 | 93.0 | 91.9 | 89.8 | 80.9 | 76.0 | 61.3 | 53.6 | 79.0 |
| Year Lowest Occurred | 1979 | 1973 | 1965 | 1987 | 1976 | 1987 | 1990 | 1990 | 1974 | 1976 | 1976 | 1963 | 1987 |
| Mean Temperature (F) | 43.6 | 48.7 | 56.5 | 66.1 | 74.0 | 81.6 | 83.9 | 82.3 | 75.8 | 65.3 | 53.7 | 45.5 | 64.8 |
| Highest Mean Temperature (F) | 48.8 | 55.2 | 63.7 | 72.7 | 78.7 | 87.2 | 87.5 | 87.6 | 82.1 | 68.9 | 60.3 | 50.3 | 66.7 |
| Year Highest Occurred | 1971 | 1962 | 1974 | 1967 | 1962 | 1990 | 1980 | 1977 | 1977 | 1983 | 1965 | 1977 | 1977 |
| Lowest Mean Temperature (F) | 38.7 | 43.4 | 49.0 | 59.9 | 69.5 | 78.0 | 79.8 | 77.5 | 68.9 | 59.5 | 46.4 | 39.5 | 63.1 |
| Year Lowest Occurred | 1979 | 1964 | 1969 | 1987 | 1976 | 1979 | 1975 | 1990 | 1974 | 1976 | 1976 | 1983 | 1987 |
| Mean Min. Temperature (F) | 27.2 | 30.9 | 37.9 | 47.5 | 56.2 | 65.2 | 68.9 | 67.1 | 61.0 | 48.7 | 36.8 | 28.9 | 48.0 |
| Highest Mean Min. Temperature (F) | 31.6 | 35.5 | 43.1 | 55.4 | 60.6 | 71.3 | 72.5 | 71.6 | 64.6 | 54.1 | 43.3 | 35.0 | 50.1 |
| Year Highest Occurred | 1981 | 1962 | 1974 | 1967 | 1963 | 1990 | 1963 | 1977 | 1977 | 1983 | 1978 | 1965 | 1962 |
| Lowest Mean Min. Temperature (F) | 23.1 | 23.8 | 31.0 | 41.6 | 50.9 | 61.5 | 65.3 | 64.7 | 56.5 | 42.9 | 31.1 | 23.7 | 45.6 |
| Year Lowest Occurred | 1962 | 1964 | 1969 | 1973 | 1975 | 1979 | 1975 | 1961 | 1984 | 1976 | 1979 | 1983 | 1975 |
| Mean Precipitation (in.) | 0.36 | 0.45 | 0.40 | 0.44 | 0.99 | 1.23 | 1.24 | 1.65 | 2.11 | 1.13 | 0.53 | 0.46 | 10.99 |
| Highest Precipitation (in.) | 1.13 | 1.90 | 2.03 | 3.62 | 2.31 | 4.09 | 4.04 | 7.41 | 7.76 | 4.67 | 2.66 | 3.80 | 22.55 |
| Year Highest Occurred | 1981 | 1989 | 1990 | 1981 | 1986 | 1984 | 1975 | 1966 | 1978 | 1974 | 1968 | 1986 | 1986 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.05 | 0.00 | 0.00 | 0.24 | 0.00 | 0.00 | 0.00 | 4.92 |
| Year Lowest Occurred | 1988 | 1982 | 1980 | 1975 | 1968 | 1974 | 1966 | 1961 | 1977 | 1967 | 1989 | 1985 | 1977 |
| Heating Degree Days (F) | 663. | 456. | 285. | 81. | 0. | 0. | 0. | 0. | 0. | 69. | 346. | 605. | 2505. |
| Cooling Degree Days (F) | 0. | 0. | 22. | 114. | 283. | 498. | 586. | 536. | 328. | 78. | 7. | 0. | 2452. |