| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 67.3 | 69.8 | 71.2 | 76.2 | 80.8 | 87.5 | 94.4 | 94.2 | 89.9 | 82.7 | 73.0 | 67.2 | 79.5 |
| Highest Mean Max. Temperature (F) | 74.0 | 76.8 | 79.5 | 84.7 | 90.7 | 95.7 | 98.1 | 98.7 | 97.6 | 89.0 | 78.6 | 74.9 | 82.2 |
| Year Highest Occurred | 1986 | 1988 | 1988 | 1987 | 1984 | 1981 | 1980 | 1967 | 1984 | 1967 | 1989 | 1989 | 1984 |
| Lowest Mean Max. Temperature (F) | 60.3 | 61.7 | 64.1 | 64.9 | 74.1 | 78.3 | 89.9 | 90.5 | 83.8 | 76.2 | 68.9 | 59.3 | 77.3 |
| Year Lowest Occurred | 1979 | 1962 | 1973 | 1967 | 1977 | 1965 | 1987 | 1968 | 1976 | 1972 | 1978 | 1971 | 1965 |
| Mean Temperature (F) | 53.9 | 56.1 | 57.7 | 61.8 | 66.6 | 72.2 | 77.9 | 78.1 | 74.4 | 67.5 | 58.8 | 53.5 | 64.9 |
| Highest Mean Temperature (F) | 59.4 | 60.5 | 62.6 | 68.4 | 72.3 | 78.9 | 81.7 | 82.2 | 82.0 | 71.9 | 62.8 | 58.0 | 67.1 |
| Year Highest Occurred | 1986 | 1968 | 1988 | 1989 | 1984 | 1981 | 1984 | 1967 | 1984 | 1987 | 1967 | 1977 | 1988 |
| Lowest Mean Temperature (F) | 50.0 | 51.5 | 52.9 | 53.2 | 62.1 | 65.7 | 73.7 | 75.0 | 68.3 | 63.0 | 54.9 | 48.5 | 62.8 |
| Year Lowest Occurred | 1979 | 1969 | 1962 | 1967 | 1977 | 1965 | 1962 | 1976 | 1986 | 1969 | 1964 | 1971 | 1964 |
| Mean Min. Temperature (F) | 40.5 | 42.3 | 44.3 | 47.3 | 52.4 | 56.9 | 61.3 | 62.0 | 58.8 | 52.1 | 44.5 | 39.8 | 50.2 |
| Highest Mean Min. Temperature (F) | 48.1 | 47.4 | 49.0 | 53.6 | 55.6 | 62.0 | 65.7 | 66.3 | 66.4 | 59.2 | 48.6 | 47.2 | 52.4 |
| Year Highest Occurred | 1980 | 1963 | 1978 | 1989 | 1981 | 1981 | 1990 | 1983 | 1984 | 1987 | 1967 | 1977 | 1983 |
| Lowest Mean Min. Temperature (F) | 35.3 | 37.9 | 39.9 | 41.5 | 47.9 | 52.6 | 56.2 | 57.7 | 52.4 | 46.7 | 40.8 | 36.3 | 47.7 |
| Year Lowest Occurred | 1972 | 1964 | 1962 | 1967 | 1964 | 1964 | 1962 | 1975 | 1986 | 1971 | 1964 | 1968 | 1964 |
| Mean Precipitation (in.) | 1.80 | 1.84 | 1.75 | 0.74 | 0.16 | 0.03 | 0.03 | 0.20 | 0.38 | 0.27 | 1.15 | 1.23 | 9.58 |
| Highest Precipitation (in.) | 6.76 | 8.00 | 6.01 | 3.64 | 1.63 | 0.37 | 0.43 | 2.33 | 3.91 | 2.42 | 5.72 | 4.88 | 22.91 |
| Year Highest Occurred | 1969 | 1969 | 1983 | 1965 | 1977 | 1972 | 1968 | 1983 | 1963 | 1987 | 1965 | 1966 | 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 | 3.59 |
| Year Lowest Occurred | 1976 | 1984 | 1972 | 1985 | 1988 | 1989 | 1990 | 1990 | 1990 | 1990 | 1980 | 1990 | 1961 |
| Heating Degree Days (F) | 344. | 255. | 238. | 158. | 54. | 18. | 0. | 0. | 10. | 47. | 197. | 357. | 1678. |
| Cooling Degree Days (F) | 0. | 5. | 12. | 62. | 104. | 234. | 400. | 406. | 292. | 125. | 11. | 0. | 1651. |