| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 54.4 | 61.7 | 65.9 | 72.7 | 80.9 | 88.7 | 94.1 | 93.1 | 88.4 | 79.0 | 64.0 | 54.4 | 74.8 |
| Highest Mean Max. Temperature (F) | 61.8 | 67.5 | 72.6 | 80.0 | 86.2 | 95.2 | 99.7 | 99.9 | 93.3 | 85.5 | 70.9 | 61.6 | 77.0 |
| Year Highest Occurred | 1976 | 1988 | 1972 | 1966 | 1973 | 1961 | 1961 | 1967 | 1984 | 1965 | 1986 | 1976 | 1990 |
| Lowest Mean Max. Temperature (F) | 48.2 | 55.5 | 61.6 | 59.7 | 73.2 | 80.9 | 87.4 | 87.2 | 80.6 | 73.3 | 57.4 | 46.5 | 71.7 |
| Year Lowest Occurred | 1972 | 1969 | 1982 | 1967 | 1977 | 1982 | 1987 | 1976 | 1986 | 1972 | 1982 | 1963 | 1982 |
| Mean Temperature (F) | 45.2 | 50.7 | 53.8 | 58.3 | 64.8 | 71.3 | 75.2 | 74.4 | 70.8 | 63.6 | 52.9 | 45.5 | 60.5 |
| Highest Mean Temperature (F) | 50.0 | 55.6 | 58.1 | 63.9 | 68.5 | 76.5 | 80.8 | 78.2 | 74.4 | 67.5 | 56.7 | 51.0 | 62.3 |
| Year Highest Occurred | 1970 | 1963 | 1986 | 1990 | 1984 | 1981 | 1988 | 1961 | 1984 | 1990 | 1986 | 1964 | 1988 |
| Lowest Mean Temperature (F) | 40.4 | 47.3 | 50.7 | 48.5 | 59.4 | 66.1 | 70.9 | 71.4 | 65.3 | 59.2 | 48.9 | 39.6 | 58.7 |
| Year Lowest Occurred | 1972 | 1969 | 1985 | 1967 | 1977 | 1980 | 1987 | 1976 | 1986 | 1971 | 1982 | 1963 | 1971 |
| Mean Min. Temperature (F) | 36.1 | 39.6 | 41.7 | 43.9 | 48.8 | 53.8 | 56.2 | 55.6 | 53.1 | 48.2 | 41.6 | 36.6 | 46.3 |
| Highest Mean Min. Temperature (F) | 42.9 | 45.6 | 47.3 | 48.4 | 51.8 | 59.0 | 62.0 | 59.8 | 57.1 | 52.1 | 46.0 | 43.6 | 48.6 |
| Year Highest Occurred | 1978 | 1986 | 1986 | 1990 | 1987 | 1981 | 1988 | 1990 | 1983 | 1988 | 1981 | 1964 | 1983 |
| Lowest Mean Min. Temperature (F) | 30.1 | 35.4 | 38.4 | 37.2 | 45.6 | 50.5 | 53.6 | 52.1 | 49.3 | 42.8 | 37.3 | 31.0 | 43.9 |
| Year Lowest Occurred | 1963 | 1974 | 1976 | 1967 | 1977 | 1980 | 1975 | 1970 | 1965 | 1971 | 1978 | 1990 | 1971 |
| Mean Precipitation (in.) | 5.62 | 3.90 | 3.29 | 1.41 | 0.27 | 0.11 | 0.05 | 0.04 | 0.35 | 1.34 | 3.68 | 3.78 | 23.84 |
| Highest Precipitation (in.) | 13.38 | 14.41 | 10.54 | 6.39 | 2.33 | 1.56 | 1.22 | 0.55 | 1.64 | 8.18 | 8.93 | 10.86 | 48.90 |
| Year Highest Occurred | 1967 | 1986 | 1983 | 1967 | 1990 | 1967 | 1974 | 1976 | 1989 | 1962 | 1973 | 1964 | 1983 |
| Lowest Precipitation (in.) | 0.33 | 0.06 | 0.02 | 0.04 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 8.13 |
| Year Lowest Occurred | 1976 | 1971 | 1972 | 1973 | 1986 | 1990 | 1990 | 1990 | 1988 | 1988 | 1986 | 1989 | 1976 |
| Heating Degree Days (F) | 614. | 400. | 347. | 236. | 78. | 12. | 0. | 0. | 11. | 98. | 363. | 605. | 2764. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 35. | 71. | 201. | 316. | 291. | 185. | 55. | 0. | 0. | 1154. |