| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 60.0 | 65.0 | 69.6 | 78.7 | 88.0 | 98.7 | 101.8 | 99.3 | 94.0 | 83.3 | 69.9 | 60.1 | 80.7 |
| Highest Mean Max. Temperature (F) | 68.5 | 70.5 | 81.8 | 87.4 | 94.3 | 105.8 | 104.0 | 103.9 | 99.0 | 88.2 | 75.1 | 69.2 | 83.0 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1989 | 1984 | 1974 | 1972 | 1962 | 1979 | 1964 | 1962 | 1980 | 1981 |
| Lowest Mean Max. Temperature (F) | 53.0 | 58.3 | 60.1 | 69.9 | 82.6 | 91.9 | 97.9 | 94.4 | 89.6 | 76.0 | 63.8 | 52.9 | 78.9 |
| Year Lowest Occurred | 1979 | 1966 | 1973 | 1975 | 1980 | 1965 | 1986 | 1988 | 1986 | 1984 | 1972 | 1967 | 1964 |
| Mean Temperature (F) | 44.6 | 48.5 | 53.1 | 60.2 | 69.6 | 78.9 | 85.8 | 83.5 | 76.4 | 64.9 | 52.5 | 44.2 | 63.5 |
| Highest Mean Temperature (F) | 49.3 | 52.8 | 61.1 | 68.7 | 75.3 | 85.7 | 88.1 | 87.1 | 81.7 | 70.8 | 56.0 | 49.4 | 66.3 |
| Year Highest Occurred | 1986 | 1968 | 1972 | 1989 | 1984 | 1990 | 1971 | 1969 | 1983 | 1988 | 1962 | 1980 | 1989 |
| Lowest Mean Temperature (F) | 40.9 | 42.3 | 46.7 | 53.1 | 64.2 | 71.5 | 82.4 | 79.6 | 71.5 | 59.6 | 48.0 | 39.4 | 61.3 |
| Year Lowest Occurred | 1964 | 1964 | 1973 | 1975 | 1977 | 1965 | 1986 | 1968 | 1965 | 1971 | 1972 | 1967 | 1964 |
| Mean Min. Temperature (F) | 29.1 | 32.1 | 36.5 | 41.7 | 51.2 | 59.1 | 69.8 | 67.6 | 58.7 | 46.5 | 35.1 | 28.2 | 46.3 |
| Highest Mean Min. Temperature (F) | 35.4 | 37.5 | 42.6 | 49.9 | 56.3 | 66.8 | 72.6 | 71.5 | 66.4 | 55.6 | 40.1 | 32.8 | 49.8 |
| Year Highest Occurred | 1980 | 1968 | 1989 | 1990 | 1984 | 1990 | 1981 | 1983 | 1983 | 1988 | 1982 | 1990 | 1990 |
| Lowest Mean Min. Temperature (F) | 23.7 | 23.1 | 29.1 | 36.3 | 45.2 | 51.1 | 64.4 | 62.9 | 52.0 | 41.3 | 30.6 | 21.4 | 43.4 |
| Year Lowest Occurred | 1964 | 1964 | 1977 | 1975 | 1977 | 1965 | 1973 | 1968 | 1965 | 1982 | 1975 | 1976 | 1975 |
| Mean Precipitation (in.) | 2.04 | 1.68 | 2.17 | 0.70 | 0.35 | 0.19 | 1.72 | 2.16 | 1.66 | 1.59 | 1.77 | 2.27 | 18.30 |
| Highest Precipitation (in.) | 7.12 | 9.09 | 7.70 | 2.65 | 1.80 | 2.97 | 2.99 | 8.93 | 4.86 | 9.18 | 4.93 | 8.80 | 39.00 |
| Year Highest Occurred | 1978 | 1980 | 1978 | 1976 | 1973 | 1972 | 1982 | 1963 | 1970 | 1972 | 1985 | 1965 | 1978 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.19 | 0.09 | 0.00 | 0.00 | 0.00 | 0.00 | 11.64 |
| Year Lowest Occurred | 1972 | 1984 | 1972 | 1989 | 1988 | 1989 | 1979 | 1975 | 1979 | 1990 | 1980 | 1981 | 1964 |
| Heating Degree Days (F) | 632. | 462. | 378. | 190. | 28. | 0. | 0. | 0. | 0. | 99. | 375. | 645. | 2809. |
| Cooling Degree Days (F) | 0. | 0. | 9. | 46. | 171. | 417. | 645. | 574. | 342. | 95. | 0. | 0. | 2299. |