| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 56.9 | 63.9 | 68.9 | 75.9 | 84.6 | 92.4 | 98.5 | 96.6 | 90.1 | 80.7 | 66.8 | 56.5 | 77.7 |
| Highest Mean Max. Temperature (F) | 64.4 | 69.1 | 75.4 | 83.8 | 90.9 | 99.2 | 102.3 | 101.5 | 96.5 | 88.7 | 71.4 | 66.5 | 80.0 |
| Year Highest Occurred | 1970 | 1988 | 1972 | 1989 | 1973 | 1981 | 1970 | 1967 | 1974 | 1978 | 1969 | 1979 | 1970 |
| Lowest Mean Max. Temperature (F) | 49.1 | 55.8 | 63.6 | 61.4 | 78.1 | 85.6 | 91.9 | 91.0 | 82.1 | 75.4 | 59.7 | 46.8 | 73.9 |
| Year Lowest Occurred | 1972 | 1962 | 1973 | 1967 | 1977 | 1963 | 1987 | 1976 | 1985 | 1984 | 1972 | 1963 | 1963 |
| Mean Temperature (F) | 47.8 | 53.3 | 57.4 | 63.0 | 71.0 | 78.2 | 84.1 | 82.6 | 76.8 | 67.8 | 55.8 | 47.5 | 65.4 |
| Highest Mean Temperature (F) | 54.8 | 58.9 | 63.4 | 68.8 | 76.7 | 84.5 | 88.3 | 87.7 | 83.0 | 75.2 | 61.0 | 57.1 | 67.9 |
| Year Highest Occurred | 1978 | 1968 | 1972 | 1989 | 1973 | 1981 | 1970 | 1967 | 1974 | 1978 | 1967 | 1977 | 1978 |
| Lowest Mean Temperature (F) | 41.7 | 48.9 | 52.6 | 52.7 | 66.5 | 71.3 | 75.4 | 78.2 | 70.1 | 63.3 | 51.2 | 39.7 | 61.7 |
| Year Lowest Occurred | 1972 | 1962 | 1962 | 1967 | 1962 | 1963 | 1983 | 1963 | 1986 | 1984 | 1964 | 1963 | 1963 |
| Mean Min. Temperature (F) | 38.6 | 42.6 | 45.8 | 50.1 | 57.3 | 64.0 | 69.6 | 68.5 | 63.5 | 54.8 | 44.7 | 38.3 | 53.2 |
| Highest Mean Min. Temperature (F) | 46.8 | 50.1 | 53.5 | 53.8 | 63.6 | 70.6 | 74.2 | 73.9 | 70.0 | 61.7 | 52.0 | 48.2 | 56.5 |
| Year Highest Occurred | 1978 | 1968 | 1978 | 1989 | 1982 | 1977 | 1970 | 1967 | 1975 | 1978 | 1967 | 1977 | 1978 |
| Lowest Mean Min. Temperature (F) | 32.6 | 37.2 | 39.6 | 43.9 | 52.4 | 56.3 | 58.5 | 62.5 | 56.9 | 48.7 | 38.3 | 31.2 | 49.5 |
| Year Lowest Occurred | 1963 | 1964 | 1962 | 1967 | 1962 | 1983 | 1983 | 1963 | 1986 | 1961 | 1961 | 1990 | 1963 |
| Mean Precipitation (in.) | 0.86 | 1.06 | 1.04 | 0.57 | 0.20 | 0.10 | 0.01 | 0.09 | 0.17 | 0.29 | 0.70 | 0.63 | 5.72 |
| Highest Precipitation (in.) | 2.60 | 4.68 | 2.62 | 2.65 | 2.39 | 1.11 | 0.30 | 1.18 | 1.06 | 1.82 | 1.76 | 1.80 | 10.86 |
| Year Highest Occurred | 1980 | 1978 | 1983 | 1967 | 1971 | 1972 | 1965 | 1983 | 1976 | 1974 | 1967 | 1977 | 1983 |
| Lowest Precipitation (in.) | 0.00 | 0.03 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.98 |
| Year Lowest Occurred | 1972 | 1967 | 1972 | 1989 | 1984 | 1990 | 1990 | 1990 | 1988 | 1988 | 1980 | 1989 | 1961 |
| Heating Degree Days (F) | 533. | 331. | 246. | 144. | 28. | 6. | 0. | 0. | 8. | 60. | 283. | 543. | 2182. |
| Cooling Degree Days (F) | 0. | 0. | 11. | 84. | 214. | 402. | 592. | 546. | 362. | 147. | 7. | 0. | 2365. |