| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 68.5 | 69.6 | 69.2 | 72.2 | 73.6 | 77.7 | 83.4 | 84.7 | 83.4 | 79.6 | 73.0 | 68.4 | 75.3 |
| Highest Mean Max. Temperature (F) | 75.4 | 75.1 | 76.0 | 79.6 | 79.3 | 86.0 | 88.2 | 89.2 | 91.1 | 84.0 | 78.7 | 74.2 | 77.9 |
| Year Highest Occurred | 1986 | 1977 | 1988 | 1989 | 1978 | 1981 | 1980 | 1983 | 1979 | 1967 | 1976 | 1979 | 1981 |
| Lowest Mean Max. Temperature (F) | 63.1 | 62.3 | 63.9 | 64.3 | 69.6 | 70.1 | 78.0 | 79.4 | 77.3 | 75.7 | 68.3 | 61.8 | 72.7 |
| Year Lowest Occurred | 1979 | 1962 | 1973 | 1967 | 1961 | 1965 | 1987 | 1964 | 1986 | 1974 | 1985 | 1971 | 1964 |
| Mean Temperature (F) | 56.6 | 57.8 | 58.4 | 61.3 | 63.9 | 67.7 | 72.5 | 73.9 | 72.3 | 67.9 | 61.1 | 56.7 | 64.2 |
| Highest Mean Temperature (F) | 63.0 | 61.7 | 62.8 | 68.0 | 68.0 | 74.0 | 77.7 | 77.5 | 79.4 | 71.4 | 65.1 | 61.2 | 66.3 |
| Year Highest Occurred | 1986 | 1963 | 1988 | 1989 | 1984 | 1981 | 1984 | 1983 | 1984 | 1987 | 1976 | 1977 | 1984 |
| Lowest Mean Temperature (F) | 53.6 | 53.6 | 54.0 | 55.1 | 61.1 | 62.8 | 68.8 | 70.8 | 67.8 | 65.3 | 56.8 | 51.2 | 62.3 |
| Year Lowest Occurred | 1963 | 1969 | 1962 | 1967 | 1977 | 1965 | 1987 | 1975 | 1986 | 1981 | 1971 | 1971 | 1964 |
| Mean Min. Temperature (F) | 44.6 | 45.8 | 47.6 | 50.3 | 54.2 | 57.6 | 61.5 | 63.1 | 61.2 | 56.2 | 49.3 | 44.8 | 53.0 |
| Highest Mean Min. Temperature (F) | 50.5 | 50.5 | 52.2 | 56.3 | 57.5 | 61.9 | 67.5 | 67.7 | 68.9 | 62.2 | 53.4 | 51.7 | 55.1 |
| Year Highest Occurred | 1986 | 1963 | 1978 | 1989 | 1987 | 1981 | 1984 | 1984 | 1984 | 1987 | 1967 | 1977 | 1984 |
| Lowest Mean Min. Temperature (F) | 39.7 | 42.0 | 43.8 | 45.9 | 51.5 | 53.7 | 58.1 | 58.7 | 57.2 | 51.4 | 43.6 | 40.5 | 50.5 |
| Year Lowest Occurred | 1972 | 1966 | 1962 | 1967 | 1971 | 1971 | 1965 | 1975 | 1965 | 1971 | 1971 | 1971 | 1971 |
| Mean Precipitation (in.) | 2.34 | 1.95 | 2.50 | 1.07 | 0.31 | 0.09 | 0.04 | 0.10 | 0.34 | 0.50 | 1.76 | 1.80 | 12.80 |
| Highest Precipitation (in.) | 9.70 | 7.43 | 8.93 | 6.95 | 2.75 | 0.80 | 0.55 | 1.85 | 2.70 | 2.28 | 7.11 | 6.11 | 26.37 |
| Year Highest Occurred | 1980 | 1980 | 1983 | 1988 | 1977 | 1972 | 1979 | 1977 | 1963 | 1987 | 1965 | 1984 | 1978 |
| 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 | 0.06 | 3.62 |
| Year Lowest Occurred | 1976 | 1967 | 1972 | 1989 | 1990 | 1989 | 1990 | 1989 | 1990 | 1990 | 1980 | 1963 | 1989 |
| Heating Degree Days (F) | 265. | 209. | 212. | 142. | 81. | 47. | 7. | 0. | 14. | 25. | 135. | 263. | 1400. |
| Cooling Degree Days (F) | 0. | 8. | 8. | 31. | 47. | 128. | 240. | 276. | 233. | 115. | 18. | 6. | 1110. |