| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 52.8 | 59.1 | 63.0 | 70.1 | 79.9 | 88.9 | 95.6 | 93.9 | 88.0 | 77.7 | 63.1 | 53.5 | 73.8 |
| Highest Mean Max. Temperature (F) | 59.8 | 64.9 | 69.7 | 78.1 | 85.6 | 96.7 | 100.5 | 100.3 | 94.3 | 83.3 | 70.4 | 60.8 | 76.2 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1987 | 1984 | 1981 | 1961 | 1967 | 1984 | 1978 | 1986 | 1976 | 1979 |
| Lowest Mean Max. Temperature (F) | 48.0 | 52.1 | 57.9 | 57.2 | 71.0 | 83.0 | 89.4 | 84.8 | 82.0 | 71.1 | 56.7 | 45.3 | 71.0 |
| Year Lowest Occurred | 1972 | 1969 | 1975 | 1967 | 1977 | 1965 | 1987 | 1976 | 1986 | 1984 | 1972 | 1963 | 1975 |
| Mean Temperature (F) | 45.3 | 50.1 | 53.0 | 58.1 | 65.3 | 72.7 | 78.5 | 77.3 | 72.8 | 65.0 | 53.9 | 46.1 | 61.5 |
| Highest Mean Temperature (F) | 52.5 | 55.9 | 58.3 | 63.7 | 69.9 | 79.2 | 83.4 | 82.9 | 78.3 | 69.5 | 57.8 | 51.0 | 63.3 |
| Year Highest Occurred | 1986 | 1963 | 1986 | 1987 | 1987 | 1981 | 1984 | 1967 | 1984 | 1987 | 1967 | 1977 | 1986 |
| Lowest Mean Temperature (F) | 40.5 | 45.6 | 49.2 | 48.7 | 59.9 | 66.9 | 73.2 | 72.2 | 67.8 | 60.2 | 49.2 | 39.8 | 59.1 |
| Year Lowest Occurred | 1972 | 1969 | 1973 | 1967 | 1977 | 1965 | 1987 | 1976 | 1986 | 1984 | 1972 | 1972 | 1975 |
| Mean Min. Temperature (F) | 37.7 | 41.1 | 43.0 | 46.0 | 50.7 | 56.4 | 61.4 | 60.7 | 57.6 | 52.2 | 44.6 | 38.6 | 49.2 |
| Highest Mean Min. Temperature (F) | 45.2 | 46.9 | 50.4 | 51.3 | 55.1 | 61.6 | 66.5 | 65.4 | 62.3 | 55.8 | 48.6 | 44.9 | 51.3 |
| Year Highest Occurred | 1986 | 1963 | 1978 | 1989 | 1987 | 1981 | 1988 | 1967 | 1984 | 1987 | 1981 | 1983 | 1978 |
| Lowest Mean Min. Temperature (F) | 32.5 | 36.3 | 39.4 | 40.1 | 46.8 | 50.7 | 57.0 | 57.8 | 52.7 | 48.0 | 40.7 | 32.9 | 47.1 |
| Year Lowest Occurred | 1962 | 1964 | 1977 | 1967 | 1961 | 1965 | 1987 | 1968 | 1965 | 1971 | 1975 | 1972 | 1971 |
| Mean Precipitation (in.) | 3.70 | 3.24 | 3.58 | 2.02 | 0.47 | 0.16 | 0.10 | 0.13 | 0.51 | 1.40 | 3.32 | 3.22 | 21.85 |
| Highest Precipitation (in.) | 8.41 | 10.03 | 10.24 | 7.55 | 2.55 | 1.07 | 1.63 | 1.31 | 3.34 | 4.71 | 8.43 | 9.27 | 44.95 |
| Year Highest Occurred | 1969 | 1986 | 1983 | 1967 | 1990 | 1967 | 1974 | 1975 | 1986 | 1962 | 1983 | 1964 | 1983 |
| Lowest Precipitation (in.) | 0.31 | 0.22 | 0.25 | 0.09 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.37 | 0.00 | 7.12 |
| Year Lowest Occurred | 1984 | 1964 | 1972 | 1985 | 1985 | 1987 | 1989 | 1990 | 1990 | 1988 | 1980 | 1989 | 1976 |
| Heating Degree Days (F) | 611. | 417. | 372. | 242. | 84. | 14. | 0. | 0. | 9. | 93. | 333. | 586. | 2761. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 35. | 94. | 245. | 419. | 381. | 243. | 93. | 0. | 0. | 1510. |