| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 58.4 | 62.5 | 66.1 | 72.8 | 81.4 | 91.1 | 97.4 | 96.3 | 89.6 | 79.7 | 67.1 | 58.6 | 76.8 |
| Highest Mean Max. Temperature (F) | 64.8 | 69.8 | 77.2 | 83.8 | 89.6 | 97.6 | 101.1 | 101.2 | 95.5 | 87.8 | 73.5 | 67.1 | 79.2 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1989 | 1984 | 1981 | 1961 | 1967 | 1979 | 1988 | 1967 | 1980 | 1981 |
| Lowest Mean Max. Temperature (F) | 51.0 | 55.2 | 57.8 | 61.8 | 69.4 | 84.3 | 92.1 | 89.3 | 82.1 | 72.0 | 60.5 | 50.8 | 73.7 |
| Year Lowest Occurred | 1979 | 1969 | 1973 | 1975 | 1977 | 1965 | 1987 | 1976 | 1986 | 1972 | 1964 | 1984 | 1982 |
| Mean Temperature (F) | 44.2 | 48.1 | 51.5 | 57.1 | 64.8 | 72.9 | 79.3 | 78.5 | 72.1 | 62.4 | 51.5 | 44.2 | 60.6 |
| Highest Mean Temperature (F) | 50.0 | 54.6 | 59.2 | 65.2 | 71.4 | 78.3 | 82.9 | 83.7 | 76.8 | 68.8 | 57.5 | 50.7 | 62.8 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1989 | 1984 | 1981 | 1967 | 1967 | 1984 | 1988 | 1967 | 1977 | 1981 |
| Lowest Mean Temperature (F) | 40.7 | 43.4 | 46.4 | 49.4 | 57.3 | 67.6 | 72.3 | 72.3 | 66.0 | 56.2 | 47.1 | 39.2 | 59.1 |
| Year Lowest Occurred | 1973 | 1979 | 1973 | 1975 | 1977 | 1965 | 1987 | 1976 | 1986 | 1971 | 1964 | 1990 | 1982 |
| Mean Min. Temperature (F) | 30.0 | 33.5 | 36.9 | 41.4 | 48.1 | 54.7 | 61.1 | 60.7 | 54.6 | 45.1 | 35.9 | 29.7 | 44.3 |
| Highest Mean Min. Temperature (F) | 36.1 | 39.3 | 41.4 | 46.5 | 53.1 | 59.0 | 65.6 | 66.1 | 60.3 | 50.3 | 41.5 | 36.6 | 46.4 |
| Year Highest Occurred | 1969 | 1968 | 1978 | 1989 | 1984 | 1981 | 1984 | 1967 | 1984 | 1987 | 1967 | 1977 | 1981 |
| Lowest Mean Min. Temperature (F) | 25.5 | 27.7 | 32.0 | 36.3 | 44.5 | 50.9 | 52.5 | 55.2 | 49.8 | 38.9 | 31.9 | 22.8 | 42.3 |
| Year Lowest Occurred | 1972 | 1964 | 1977 | 1970 | 1971 | 1965 | 1987 | 1976 | 1986 | 1971 | 1975 | 1990 | 1971 |
| Mean Precipitation (in.) | 0.82 | 0.88 | 0.85 | 0.36 | 0.18 | 0.05 | 0.15 | 0.31 | 0.38 | 0.26 | 0.58 | 0.69 | 5.51 |
| Highest Precipitation (in.) | 3.44 | 4.45 | 4.80 | 2.14 | 1.35 | 0.61 | 1.45 | 1.43 | 3.94 | 1.20 | 2.34 | 4.36 | 13.42 |
| Year Highest Occurred | 1979 | 1980 | 1983 | 1965 | 1977 | 1969 | 1984 | 1977 | 1963 | 1983 | 1985 | 1984 | 1983 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 2.15 |
| Year Lowest Occurred | 1984 | 1974 | 1989 | 1989 | 1986 | 1989 | 1989 | 1987 | 1988 | 1990 | 1980 | 1990 | 1961 |
| Heating Degree Days (F) | 645. | 473. | 423. | 268. | 97. | 8. | 0. | 0. | 16. | 147. | 405. | 645. | 3127. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 31. | 91. | 245. | 443. | 419. | 229. | 67. | 0. | 0. | 1525. |