| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 59.2 | 64.4 | 68.9 | 77.2 | 86.5 | 96.8 | 101.3 | 99.2 | 93.1 | 82.1 | 68.4 | 59.0 | 79.7 |
| Highest Mean Max. Temperature (F) | 65.8 | 71.0 | 80.8 | 88.1 | 94.7 | 103.0 | 104.7 | 104.3 | 99.6 | 90.3 | 74.6 | 67.5 | 83.7 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1989 | 1984 | 1961 | 1989 | 1969 | 1979 | 1988 | 1962 | 1980 | 1989 |
| Lowest Mean Max. Temperature (F) | 49.6 | 58.8 | 59.4 | 66.7 | 77.2 | 89.8 | 97.2 | 95.2 | 85.7 | 73.2 | 62.5 | 52.7 | 77.5 |
| Year Lowest Occurred | 1979 | 1966 | 1973 | 1975 | 1977 | 1965 | 1976 | 1968 | 1986 | 1972 | 1985 | 1987 | 1975 |
| Mean Temperature (F) | 47.8 | 52.0 | 55.8 | 63.0 | 72.3 | 82.0 | 88.6 | 86.6 | 79.5 | 68.3 | 56.0 | 47.8 | 66.6 |
| Highest Mean Temperature (F) | 53.0 | 58.0 | 64.5 | 72.8 | 79.2 | 87.2 | 91.9 | 91.9 | 83.3 | 75.0 | 60.6 | 54.3 | 70.1 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1989 | 1984 | 1981 | 1989 | 1969 | 1983 | 1988 | 1989 | 1980 | 1989 |
| Lowest Mean Temperature (F) | 41.4 | 46.6 | 49.1 | 54.9 | 65.3 | 75.7 | 84.2 | 82.6 | 72.9 | 62.9 | 51.2 | 42.2 | 64.2 |
| Year Lowest Occurred | 1979 | 1966 | 1973 | 1975 | 1977 | 1965 | 1974 | 1976 | 1985 | 1984 | 1972 | 1978 | 1975 |
| Mean Min. Temperature (F) | 36.2 | 39.5 | 42.7 | 48.9 | 58.1 | 67.1 | 75.8 | 74.0 | 65.8 | 54.4 | 43.5 | 36.5 | 53.5 |
| Highest Mean Min. Temperature (F) | 43.6 | 45.0 | 48.5 | 57.4 | 63.6 | 73.5 | 80.2 | 79.4 | 72.1 | 59.7 | 47.1 | 41.1 | 56.4 |
| Year Highest Occurred | 1969 | 1963 | 1989 | 1989 | 1984 | 1981 | 1981 | 1969 | 1983 | 1988 | 1969 | 1977 | 1989 |
| Lowest Mean Min. Temperature (F) | 32.5 | 33.5 | 36.4 | 43.1 | 53.0 | 58.9 | 70.3 | 66.7 | 58.5 | 50.0 | 38.5 | 31.3 | 50.2 |
| Year Lowest Occurred | 1966 | 1964 | 1977 | 1975 | 1975 | 1973 | 1974 | 1974 | 1973 | 1984 | 1979 | 1978 | 1973 |
| Mean Precipitation (in.) | 0.83 | 0.75 | 1.02 | 0.44 | 0.19 | 0.10 | 0.81 | 0.99 | 0.73 | 0.46 | 0.61 | 0.74 | 7.67 |
| Highest Precipitation (in.) | 3.79 | 2.62 | 3.21 | 3.42 | 1.02 | 0.92 | 4.31 | 3.44 | 4.45 | 2.57 | 2.80 | 3.08 | 16.80 |
| Year Highest Occurred | 1978 | 1980 | 1973 | 1965 | 1990 | 1972 | 1984 | 1971 | 1976 | 1978 | 1965 | 1984 | 1978 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.08 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 2.38 |
| Year Lowest Occurred | 1984 | 1984 | 1988 | 1989 | 1985 | 1989 | 1966 | 1985 | 1988 | 1984 | 1989 | 1981 | 1989 |
| Heating Degree Days (F) | 533. | 364. | 306. | 156. | 18. | 0. | 0. | 0. | 0. | 56. | 277. | 533. | 2243. |
| Cooling Degree Days (F) | 0. | 0. | 21. | 96. | 245. | 510. | 732. | 670. | 435. | 158. | 7. | 0. | 2874. |