| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 58.4 | 62.4 | 65.2 | 71.6 | 80.6 | 90.4 | 97.4 | 96.2 | 89.4 | 79.1 | 65.9 | 58.1 | 76.2 |
| Highest Mean Max. Temperature (F) | 65.2 | 69.1 | 74.9 | 82.0 | 86.8 | 95.4 | 102.1 | 101.7 | 95.5 | 86.7 | 71.6 | 67.6 | 78.4 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1989 | 1984 | 1961 | 1972 | 1969 | 1979 | 1988 | 1977 | 1980 | 1981 |
| Lowest Mean Max. Temperature (F) | 51.1 | 53.9 | 58.6 | 60.3 | 71.0 | 85.5 | 93.1 | 89.9 | 81.4 | 73.0 | 60.0 | 50.3 | 73.8 |
| Year Lowest Occurred | 1979 | 1969 | 1973 | 1967 | 1977 | 1982 | 1987 | 1976 | 1986 | 1984 | 1964 | 1984 | 1982 |
| Mean Temperature (F) | 45.4 | 49.2 | 52.6 | 58.5 | 67.3 | 76.6 | 83.0 | 81.5 | 74.3 | 64.1 | 52.8 | 45.4 | 62.6 |
| Highest Mean Temperature (F) | 52.2 | 55.4 | 60.1 | 68.5 | 72.8 | 81.8 | 87.7 | 85.9 | 79.5 | 70.3 | 57.5 | 52.1 | 64.9 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1989 | 1984 | 1961 | 1972 | 1967 | 1974 | 1988 | 1967 | 1980 | 1981 |
| Lowest Mean Temperature (F) | 40.8 | 43.4 | 46.5 | 48.5 | 58.9 | 72.8 | 77.1 | 75.5 | 68.8 | 59.1 | 48.0 | 39.9 | 61.1 |
| Year Lowest Occurred | 1979 | 1966 | 1977 | 1967 | 1977 | 1965 | 1983 | 1976 | 1986 | 1971 | 1964 | 1990 | 1982 |
| Mean Min. Temperature (F) | 32.4 | 36.0 | 39.8 | 45.3 | 54.0 | 62.8 | 68.5 | 66.7 | 59.2 | 49.1 | 39.6 | 32.6 | 48.8 |
| Highest Mean Min. Temperature (F) | 39.1 | 41.9 | 45.7 | 55.0 | 58.8 | 68.1 | 73.3 | 71.7 | 63.5 | 54.4 | 44.9 | 38.7 | 51.4 |
| Year Highest Occurred | 1986 | 1986 | 1986 | 1989 | 1984 | 1961 | 1972 | 1986 | 1981 | 1987 | 1967 | 1977 | 1981 |
| Lowest Mean Min. Temperature (F) | 28.0 | 29.6 | 32.0 | 36.7 | 46.8 | 59.1 | 61.0 | 61.1 | 52.7 | 43.1 | 35.1 | 27.3 | 46.6 |
| Year Lowest Occurred | 1972 | 1979 | 1977 | 1967 | 1977 | 1967 | 1983 | 1976 | 1964 | 1971 | 1979 | 1990 | 1979 |
| Mean Precipitation (in.) | 1.10 | 1.11 | 0.91 | 0.32 | 0.11 | 0.05 | 0.16 | 0.20 | 0.30 | 0.25 | 0.83 | 0.80 | 6.14 |
| Highest Precipitation (in.) | 4.35 | 6.24 | 4.43 | 2.08 | 1.28 | 0.41 | 2.43 | 2.02 | 2.94 | 1.99 | 3.78 | 3.35 | 15.51 |
| Year Highest Occurred | 1969 | 1978 | 1983 | 1965 | 1977 | 1963 | 1984 | 1983 | 1976 | 1981 | 1967 | 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 | 1.02 |
| Year Lowest Occurred | 1984 | 1972 | 1988 | 1989 | 1986 | 1990 | 1990 | 1990 | 1988 | 1990 | 1989 | 1990 | 1989 |
| Heating Degree Days (F) | 608. | 442. | 392. | 254. | 65. | 0. | 0. | 0. | 8. | 111. | 366. | 608. | 2854. |
| Cooling Degree Days (F) | 0. | 0. | 7. | 59. | 136. | 348. | 558. | 512. | 287. | 83. | 0. | 0. | 1990. |