| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 56.7 | 61.4 | 69.8 | 79.2 | 85.8 | 91.4 | 94.0 | 93.3 | 86.4 | 77.4 | 67.0 | 58.5 | 76.7 |
| Highest Mean Max. Temperature (F) | 65.0 | 71.7 | 79.5 | 86.8 | 91.1 | 96.3 | 100.8 | 98.0 | 95.3 | 86.5 | 73.3 | 66.3 | 79.0 |
| Year Highest Occurred | 1971 | 1976 | 1974 | 1972 | 1989 | 1974 | 1980 | 1977 | 1977 | 1979 | 1965 | 1970 | 1977 |
| Lowest Mean Max. Temperature (F) | 46.5 | 54.1 | 61.2 | 73.2 | 81.5 | 84.9 | 85.6 | 88.1 | 77.3 | 70.5 | 58.4 | 47.8 | 74.2 |
| Year Lowest Occurred | 1979 | 1966 | 1969 | 1987 | 1987 | 1987 | 1976 | 1971 | 1974 | 1976 | 1976 | 1963 | 1987 |
| Mean Temperature (F) | 42.4 | 46.7 | 55.4 | 64.9 | 72.1 | 78.3 | 80.7 | 79.6 | 73.3 | 63.7 | 53.3 | 44.4 | 62.9 |
| Highest Mean Temperature (F) | 47.7 | 54.2 | 63.8 | 70.5 | 76.9 | 84.0 | 86.1 | 83.6 | 80.0 | 68.3 | 59.5 | 50.6 | 64.4 |
| Year Highest Occurred | 1971 | 1976 | 1974 | 1972 | 1989 | 1990 | 1980 | 1977 | 1977 | 1963 | 1965 | 1970 | 1977 |
| Lowest Mean Temperature (F) | 35.1 | 40.9 | 48.1 | 59.5 | 68.4 | 74.3 | 75.3 | 74.5 | 64.9 | 56.6 | 45.8 | 36.4 | 61.3 |
| Year Lowest Occurred | 1979 | 1978 | 1965 | 1987 | 1976 | 1987 | 1976 | 1971 | 1974 | 1976 | 1976 | 1983 | 1976 |
| Mean Min. Temperature (F) | 28.1 | 32.0 | 40.9 | 50.6 | 58.3 | 65.2 | 67.3 | 65.8 | 60.1 | 50.0 | 39.5 | 30.2 | 49.0 |
| Highest Mean Min. Temperature (F) | 35.5 | 38.4 | 48.0 | 57.5 | 63.2 | 71.8 | 71.3 | 70.2 | 66.2 | 54.9 | 45.6 | 38.4 | 52.0 |
| Year Highest Occurred | 1965 | 1986 | 1974 | 1967 | 1964 | 1990 | 1980 | 1964 | 1986 | 1963 | 1965 | 1965 | 1986 |
| Lowest Mean Min. Temperature (F) | 22.6 | 27.0 | 34.5 | 44.5 | 54.3 | 61.8 | 62.8 | 60.8 | 52.4 | 42.7 | 32.4 | 22.6 | 46.1 |
| Year Lowest Occurred | 1963 | 1978 | 1965 | 1980 | 1970 | 1979 | 1975 | 1971 | 1974 | 1976 | 1970 | 1983 | 1975 |
| Mean Precipitation (in.) | 0.61 | 0.90 | 0.89 | 1.47 | 2.43 | 1.84 | 2.03 | 1.90 | 3.19 | 2.21 | 0.97 | 0.77 | 19.21 |
| Highest Precipitation (in.) | 2.90 | 2.77 | 5.15 | 4.57 | 6.52 | 5.72 | 9.18 | 8.68 | 12.60 | 7.86 | 3.13 | 2.81 | 38.64 |
| Year Highest Occurred | 1961 | 1965 | 1979 | 1969 | 1987 | 1979 | 1990 | 1974 | 1974 | 1974 | 1963 | 1986 | 1974 |
| Lowest Precipitation (in.) | 0.00 | 0.03 | 0.00 | 0.00 | 0.15 | 0.00 | 0.07 | 0.00 | 0.07 | 0.00 | 0.00 | 0.00 | 9.15 |
| Year Lowest Occurred | 1976 | 1976 | 1975 | 1984 | 1983 | 1990 | 1987 | 1973 | 1981 | 1988 | 1988 | 1985 | 1983 |
| Heating Degree Days (F) | 701. | 512. | 320. | 94. | 9. | 0. | 0. | 0. | 12. | 106. | 358. | 639. | 2751. |
| Cooling Degree Days (F) | 0. | 0. | 22. | 91. | 229. | 399. | 487. | 453. | 261. | 66. | 7. | 0. | 2015. |