| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 65.0 | 65.7 | 66.4 | 68.6 | 69.4 | 71.7 | 75.3 | 77.0 | 75.8 | 74.2 | 69.1 | 65.6 | 70.3 |
| Highest Mean Max. Temperature (F) | 72.9 | 71.4 | 73.3 | 71.9 | 76.1 | 77.8 | 79.1 | 81.2 | 83.4 | 79.0 | 76.7 | 71.4 | 72.5 |
| Year Highest Occurred | 1961 | 1977 | 1988 | 1989 | 1984 | 1976 | 1985 | 1983 | 1984 | 1965 | 1976 | 1963 | 1984 |
| Lowest Mean Max. Temperature (F) | 60.2 | 60.2 | 62.4 | 62.0 | 65.8 | 67.7 | 71.5 | 73.4 | 70.5 | 69.7 | 64.9 | 60.0 | 68.4 |
| Year Lowest Occurred | 1974 | 1969 | 1974 | 1967 | 1964 | 1965 | 1965 | 1989 | 1980 | 1988 | 1985 | 1971 | 1973 |
| Mean Temperature (F) | 54.2 | 55.6 | 56.7 | 58.9 | 60.6 | 63.4 | 66.6 | 68.1 | 66.8 | 64.1 | 58.8 | 54.6 | 60.7 |
| Highest Mean Temperature (F) | 58.3 | 60.3 | 61.1 | 63.1 | 65.1 | 69.0 | 70.2 | 72.2 | 74.1 | 67.3 | 63.5 | 59.6 | 63.0 |
| Year Highest Occurred | 1961 | 1963 | 1988 | 1989 | 1984 | 1981 | 1984 | 1984 | 1984 | 1983 | 1976 | 1977 | 1984 |
| Lowest Mean Temperature (F) | 50.0 | 51.5 | 53.3 | 53.3 | 57.7 | 60.5 | 63.6 | 65.6 | 63.6 | 60.6 | 56.0 | 49.7 | 59.2 |
| Year Lowest Occurred | 1972 | 1969 | 1973 | 1967 | 1964 | 1965 | 1965 | 1970 | 1980 | 1971 | 1964 | 1971 | 1971 |
| Mean Min. Temperature (F) | 43.4 | 45.4 | 47.0 | 49.0 | 51.8 | 55.0 | 57.8 | 59.2 | 57.7 | 53.9 | 48.5 | 43.6 | 51.0 |
| Highest Mean Min. Temperature (F) | 48.7 | 49.4 | 53.2 | 54.3 | 57.0 | 60.4 | 61.6 | 64.0 | 64.8 | 58.2 | 53.2 | 51.3 | 53.5 |
| Year Highest Occurred | 1978 | 1980 | 1978 | 1989 | 1987 | 1981 | 1984 | 1984 | 1984 | 1987 | 1986 | 1977 | 1984 |
| Lowest Mean Min. Temperature (F) | 38.0 | 41.4 | 42.1 | 44.5 | 48.2 | 52.5 | 55.3 | 55.8 | 53.7 | 47.8 | 44.8 | 39.4 | 49.2 |
| Year Lowest Occurred | 1972 | 1964 | 1962 | 1967 | 1961 | 1962 | 1962 | 1970 | 1970 | 1971 | 1961 | 1971 | 1962 |
| Mean Precipitation (in.) | 3.57 | 3.75 | 2.75 | 1.27 | 0.20 | 0.07 | 0.01 | 0.05 | 0.31 | 0.33 | 2.18 | 2.49 | 16.98 |
| Highest Precipitation (in.) | 15.55 | 17.33 | 11.73 | 6.55 | 2.96 | 1.21 | 0.13 | 0.82 | 4.01 | 2.45 | 8.26 | 7.33 | 43.53 |
| Year Highest Occurred | 1969 | 1962 | 1978 | 1965 | 1977 | 1963 | 1987 | 1983 | 1976 | 1987 | 1965 | 1971 | 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 | 5.72 |
| Year Lowest Occurred | 1984 | 1982 | 1984 | 1979 | 1987 | 1990 | 1990 | 1990 | 1987 | 1990 | 1980 | 1989 | 1990 |
| Heating Degree Days (F) | 335. | 266. | 261. | 192. | 147. | 87. | 31. | 16. | 45. | 66. | 194. | 326. | 1966. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 9. | 11. | 39. | 81. | 112. | 99. | 38. | 8. | 0. | 397. |