| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 54.4 | 60.7 | 64.8 | 72.2 | 81.4 | 89.5 | 95.0 | 93.6 | 88.7 | 78.7 | 63.5 | 54.3 | 74.7 |
| Highest Mean Max. Temperature (F) | 60.0 | 69.2 | 71.8 | 80.4 | 87.5 | 94.8 | 99.5 | 100.7 | 94.3 | 85.8 | 70.7 | 62.7 | 77.2 |
| Year Highest Occurred | 1976 | 1988 | 1988 | 1987 | 1973 | 1961 | 1961 | 1967 | 1974 | 1978 | 1986 | 1976 | 1988 |
| Lowest Mean Max. Temperature (F) | 48.8 | 52.4 | 60.3 | 59.0 | 72.1 | 82.0 | 88.9 | 87.2 | 81.8 | 71.5 | 57.8 | 46.1 | 72.1 |
| Year Lowest Occurred | 1969 | 1969 | 1983 | 1967 | 1977 | 1980 | 1987 | 1976 | 1986 | 1984 | 1973 | 1965 | 1983 |
| Mean Temperature (F) | 44.8 | 50.0 | 53.3 | 58.9 | 67.0 | 74.2 | 78.3 | 76.8 | 72.3 | 63.8 | 52.4 | 45.0 | 61.4 |
| Highest Mean Temperature (F) | 49.9 | 55.4 | 58.5 | 64.6 | 71.6 | 79.7 | 82.4 | 82.3 | 77.4 | 68.9 | 57.1 | 49.6 | 62.7 |
| Year Highest Occurred | 1978 | 1963 | 1972 | 1987 | 1973 | 1981 | 1984 | 1967 | 1984 | 1978 | 1967 | 1977 | 1984 |
| Lowest Mean Temperature (F) | 41.4 | 44.1 | 50.2 | 49.1 | 60.4 | 68.4 | 73.3 | 72.2 | 67.2 | 60.0 | 47.5 | 38.5 | 59.5 |
| Year Lowest Occurred | 1969 | 1966 | 1973 | 1967 | 1977 | 1980 | 1987 | 1976 | 1965 | 1975 | 1985 | 1965 | 1965 |
| Mean Min. Temperature (F) | 35.2 | 39.1 | 41.8 | 45.5 | 52.5 | 58.9 | 61.5 | 59.8 | 55.9 | 48.8 | 41.3 | 35.7 | 48.0 |
| Highest Mean Min. Temperature (F) | 42.8 | 45.8 | 47.0 | 49.7 | 57.6 | 65.3 | 67.5 | 63.8 | 62.8 | 51.9 | 45.5 | 41.5 | 50.8 |
| Year Highest Occurred | 1978 | 1963 | 1978 | 1989 | 1984 | 1981 | 1984 | 1967 | 1984 | 1978 | 1970 | 1977 | 1984 |
| Lowest Mean Min. Temperature (F) | 29.6 | 33.6 | 37.8 | 39.2 | 48.5 | 54.1 | 56.6 | 57.2 | 50.7 | 45.6 | 35.3 | 29.5 | 46.1 |
| Year Lowest Occurred | 1963 | 1990 | 1976 | 1967 | 1964 | 1965 | 1966 | 1976 | 1965 | 1975 | 1985 | 1990 | 1965 |
| Mean Precipitation (in.) | 3.84 | 2.98 | 2.92 | 1.15 | 0.53 | 0.32 | 0.08 | 0.23 | 0.45 | 1.18 | 3.29 | 3.18 | 20.15 |
| Highest Precipitation (in.) | 9.80 | 9.25 | 11.04 | 3.87 | 3.16 | 1.41 | 1.32 | 1.89 | 3.81 | 4.35 | 8.37 | 10.59 | 48.35 |
| Year Highest Occurred | 1978 | 1986 | 1983 | 1963 | 1977 | 1980 | 1974 | 1968 | 1989 | 1982 | 1983 | 1983 | 1983 |
| Lowest Precipitation (in.) | 0.22 | 0.01 | 0.12 | 0.08 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.12 | 0.00 | 7.66 |
| Year Lowest Occurred | 1976 | 1964 | 1988 | 1987 | 1985 | 1990 | 1990 | 1989 | 1988 | 1978 | 1986 | 1989 | 1976 |
| Heating Degree Days (F) | 626. | 420. | 363. | 225. | 62. | 7. | 0. | 0. | 9. | 97. | 378. | 620. | 2807. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 42. | 124. | 283. | 412. | 366. | 228. | 60. | 0. | 0. | 1515. |