| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 67.3 | 68.8 | 69.8 | 74.0 | 76.8 | 82.6 | 89.7 | 90.0 | 86.8 | 81.6 | 73.0 | 67.5 | 77.3 |
| Highest Mean Max. Temperature (F) | 75.8 | 77.4 | 76.5 | 80.6 | 86.3 | 90.7 | 94.2 | 96.5 | 93.8 | 88.7 | 81.2 | 74.9 | 80.4 |
| Year Highest Occurred | 1976 | 1977 | 1988 | 1987 | 1984 | 1981 | 1977 | 1967 | 1979 | 1965 | 1977 | 1989 | 1961 |
| Lowest Mean Max. Temperature (F) | 60.2 | 59.0 | 64.3 | 64.3 | 70.7 | 72.4 | 82.4 | 84.5 | 78.1 | 76.1 | 68.5 | 59.8 | 73.9 |
| Year Lowest Occurred | 1979 | 1969 | 1975 | 1967 | 1980 | 1969 | 1987 | 1989 | 1986 | 1972 | 1985 | 1971 | 1969 |
| Mean Temperature (F) | 52.0 | 53.8 | 55.3 | 58.8 | 62.3 | 67.1 | 72.4 | 72.9 | 70.2 | 64.8 | 57.2 | 52.1 | 61.6 |
| Highest Mean Temperature (F) | 56.8 | 59.9 | 61.1 | 63.1 | 67.4 | 73.5 | 75.9 | 79.4 | 77.9 | 69.4 | 62.4 | 57.7 | 62.8 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1962 | 1984 | 1981 | 1984 | 1967 | 1984 | 1964 | 1977 | 1977 | 1984 |
| Lowest Mean Temperature (F) | 48.7 | 48.7 | 51.8 | 51.3 | 58.5 | 61.1 | 66.8 | 69.4 | 64.6 | 59.9 | 53.6 | 47.2 | 59.9 |
| Year Lowest Occurred | 1979 | 1969 | 1973 | 1967 | 1980 | 1982 | 1987 | 1989 | 1985 | 1981 | 1978 | 1971 | 1982 |
| Mean Min. Temperature (F) | 36.6 | 38.8 | 40.8 | 43.4 | 47.7 | 51.5 | 55.1 | 55.7 | 53.5 | 48.0 | 41.3 | 36.5 | 45.7 |
| Highest Mean Min. Temperature (F) | 43.1 | 44.9 | 47.3 | 47.9 | 50.7 | 56.3 | 60.0 | 62.3 | 62.4 | 53.9 | 47.7 | 44.7 | 47.3 |
| Year Highest Occurred | 1980 | 1963 | 1978 | 1990 | 1969 | 1981 | 1984 | 1967 | 1984 | 1987 | 1967 | 1977 | 1983 |
| Lowest Mean Min. Temperature (F) | 31.5 | 32.5 | 35.3 | 38.3 | 43.5 | 46.2 | 49.7 | 50.4 | 48.9 | 42.4 | 37.2 | 28.7 | 43.7 |
| Year Lowest Occurred | 1989 | 1964 | 1977 | 1967 | 1989 | 1989 | 1986 | 1985 | 1985 | 1979 | 1980 | 1990 | 1989 |
| Mean Precipitation (in.) | 4.26 | 4.67 | 3.47 | 1.32 | 0.27 | 0.05 | 0.01 | 0.08 | 0.47 | 0.45 | 2.67 | 2.98 | 20.70 |
| Highest Precipitation (in.) | 25.76 | 19.56 | 14.50 | 6.32 | 3.45 | 0.49 | 0.13 | 1.22 | 5.57 | 2.92 | 13.78 | 10.03 | 47.30 |
| Year Highest Occurred | 1969 | 1962 | 1978 | 1965 | 1977 | 1963 | 1969 | 1983 | 1976 | 1983 | 1965 | 1966 | 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 | 0.00 | 7.32 |
| Year Lowest Occurred | 1976 | 1984 | 1972 | 1985 | 1988 | 1989 | 1990 | 1989 | 1987 | 1990 | 1980 | 1989 | 1972 |
| Heating Degree Days (F) | 403. | 317. | 305. | 212. | 113. | 60. | 6. | 9. | 26. | 81. | 241. | 400. | 2173. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 26. | 29. | 123. | 235. | 254. | 182. | 75. | 7. | 0. | 931. |