| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 66.0 | 68.7 | 69.3 | 75.0 | 79.4 | 87.5 | 95.8 | 95.2 | 90.1 | 82.2 | 72.6 | 66.4 | 79.0 |
| Highest Mean Max. Temperature (F) | 73.1 | 76.2 | 78.3 | 85.3 | 90.0 | 94.7 | 98.5 | 100.1 | 98.6 | 89.0 | 78.7 | 74.0 | 81.3 |
| Year Highest Occurred | 1976 | 1988 | 1972 | 1987 | 1984 | 1981 | 1980 | 1986 | 1979 | 1965 | 1977 | 1980 | 1988 |
| Lowest Mean Max. Temperature (F) | 58.7 | 60.0 | 61.6 | 62.9 | 70.6 | 75.7 | 91.1 | 91.0 | 80.6 | 74.9 | 66.3 | 58.4 | 75.1 |
| Year Lowest Occurred | 1979 | 1969 | 1973 | 1967 | 1977 | 1982 | 1987 | 1989 | 1976 | 1972 | 1985 | 1971 | 1982 |
| Mean Temperature (F) | 52.8 | 55.3 | 56.4 | 60.9 | 65.6 | 71.8 | 78.4 | 78.5 | 74.3 | 67.3 | 58.6 | 52.9 | 64.4 |
| Highest Mean Temperature (F) | 59.6 | 61.0 | 62.1 | 67.9 | 73.1 | 77.4 | 82.0 | 83.2 | 81.4 | 72.2 | 63.2 | 57.3 | 66.6 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1987 | 1984 | 1981 | 1984 | 1967 | 1984 | 1964 | 1986 | 1977 | 1986 |
| Lowest Mean Temperature (F) | 48.6 | 50.1 | 51.1 | 52.5 | 59.5 | 64.7 | 74.2 | 74.1 | 68.0 | 62.2 | 54.4 | 47.0 | 61.8 |
| Year Lowest Occurred | 1979 | 1969 | 1973 | 1967 | 1977 | 1982 | 1987 | 1976 | 1973 | 1972 | 1973 | 1971 | 1973 |
| Mean Min. Temperature (F) | 39.6 | 41.8 | 43.6 | 46.7 | 51.7 | 56.1 | 61.0 | 61.7 | 58.4 | 52.3 | 44.4 | 39.4 | 49.7 |
| Highest Mean Min. Temperature (F) | 46.3 | 47.4 | 49.3 | 52.3 | 56.2 | 60.0 | 67.2 | 66.7 | 66.6 | 59.9 | 49.0 | 46.6 | 52.3 |
| Year Highest Occurred | 1986 | 1963 | 1986 | 1989 | 1984 | 1981 | 1984 | 1967 | 1984 | 1979 | 1967 | 1977 | 1984 |
| Lowest Mean Min. Temperature (F) | 33.2 | 36.1 | 39.5 | 41.9 | 48.4 | 52.7 | 56.7 | 56.9 | 51.3 | 47.2 | 39.2 | 35.6 | 46.4 |
| Year Lowest Occurred | 1972 | 1974 | 1977 | 1970 | 1977 | 1975 | 1973 | 1976 | 1973 | 1971 | 1979 | 1971 | 1973 |
| Mean Precipitation (in.) | 2.36 | 2.37 | 2.14 | 1.02 | 0.38 | 0.07 | 0.10 | 0.25 | 0.49 | 0.45 | 1.42 | 1.75 | 12.80 |
| Highest Precipitation (in.) | 9.76 | 9.91 | 6.66 | 4.74 | 3.11 | 0.49 | 0.78 | 2.55 | 3.81 | 2.66 | 7.64 | 8.07 | 27.00 |
| Year Highest Occurred | 1969 | 1969 | 1978 | 1965 | 1977 | 1972 | 1979 | 1983 | 1976 | 1987 | 1965 | 1966 | 1978 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 4.86 |
| Year Lowest Occurred | 1976 | 1967 | 1972 | 1977 | 1986 | 1989 | 1989 | 1989 | 1981 | 1988 | 1980 | 1989 | 1961 |
| Heating Degree Days (F) | 378. | 277. | 280. | 185. | 77. | 24. | 0. | 0. | 9. | 59. | 207. | 379. | 1875. |
| Cooling Degree Days (F) | 0. | 6. | 13. | 62. | 96. | 228. | 415. | 419. | 288. | 131. | 15. | 0. | 1673. |