| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 51.5 | 56.9 | 61.9 | 69.3 | 78.9 | 88.9 | 95.2 | 93.2 | 85.8 | 75.2 | 61.5 | 52.0 | 72.5 |
| Highest Mean Max. Temperature (F) | 57.6 | 62.5 | 72.7 | 80.0 | 87.3 | 94.9 | 99.3 | 97.5 | 91.1 | 82.6 | 66.3 | 58.4 | 74.8 |
| Year Highest Occurred | 1986 | 1977 | 1972 | 1989 | 1984 | 1981 | 1988 | 1969 | 1974 | 1988 | 1977 | 1980 | 1989 |
| Lowest Mean Max. Temperature (F) | 42.6 | 47.7 | 54.7 | 57.8 | 67.4 | 82.2 | 91.4 | 87.1 | 80.9 | 68.3 | 56.0 | 42.5 | 70.5 |
| Year Lowest Occurred | 1974 | 1969 | 1962 | 1967 | 1977 | 1963 | 1965 | 1976 | 1986 | 1972 | 1972 | 1984 | 1982 |
| Mean Temperature (F) | 40.1 | 44.5 | 49.1 | 55.8 | 64.8 | 74.0 | 80.0 | 78.3 | 71.1 | 61.0 | 48.8 | 40.5 | 59.0 |
| Highest Mean Temperature (F) | 45.6 | 49.9 | 57.4 | 64.9 | 71.9 | 79.2 | 83.2 | 82.2 | 75.4 | 67.0 | 53.4 | 45.6 | 60.9 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1989 | 1984 | 1981 | 1988 | 1967 | 1974 | 1988 | 1967 | 1980 | 1981 |
| Lowest Mean Temperature (F) | 33.9 | 37.0 | 44.3 | 46.5 | 55.1 | 68.7 | 76.3 | 71.8 | 66.2 | 55.8 | 44.4 | 34.5 | 57.6 |
| Year Lowest Occurred | 1974 | 1969 | 1973 | 1967 | 1977 | 1963 | 1987 | 1976 | 1985 | 1984 | 1972 | 1984 | 1982 |
| Mean Min. Temperature (F) | 28.7 | 32.1 | 36.2 | 42.2 | 50.5 | 59.1 | 64.8 | 63.4 | 56.4 | 46.8 | 36.2 | 28.9 | 45.4 |
| Highest Mean Min. Temperature (F) | 33.5 | 37.9 | 42.1 | 49.7 | 56.5 | 64.5 | 69.9 | 67.5 | 59.9 | 51.3 | 42.2 | 34.0 | 47.6 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1989 | 1984 | 1961 | 1961 | 1967 | 1981 | 1988 | 1967 | 1977 | 1961 |
| Lowest Mean Min. Temperature (F) | 25.0 | 26.3 | 31.0 | 35.1 | 42.8 | 54.7 | 61.1 | 56.5 | 51.2 | 42.3 | 32.5 | 22.8 | 43.8 |
| Year Lowest Occurred | 1963 | 1969 | 1977 | 1967 | 1977 | 1965 | 1987 | 1976 | 1985 | 1984 | 1978 | 1990 | 1975 |
| Mean Precipitation (in.) | 1.08 | 1.29 | 1.08 | 0.33 | 0.29 | 0.11 | 0.37 | 0.51 | 0.38 | 0.15 | 0.82 | 0.93 | 7.34 |
| Highest Precipitation (in.) | 6.01 | 4.85 | 5.19 | 2.85 | 1.82 | 0.95 | 3.80 | 2.70 | 3.24 | 1.12 | 3.64 | 6.50 | 17.27 |
| Year Highest Occurred | 1969 | 1962 | 1983 | 1965 | 1977 | 1963 | 1984 | 1983 | 1976 | 1963 | 1965 | 1966 | 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 | 1.98 |
| Year Lowest Occurred | 1984 | 1974 | 1990 | 1985 | 1990 | 1989 | 1989 | 1987 | 1988 | 1989 | 1980 | 1990 | 1990 |
| Heating Degree Days (F) | 772. | 574. | 493. | 308. | 108. | 8. | 0. | 0. | 14. | 171. | 486. | 760. | 3694. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 32. | 102. | 278. | 465. | 412. | 197. | 47. | 0. | 0. | 1533. |