| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 53.5 | 61.3 | 66.7 | 74.4 | 83.4 | 90.8 | 95.9 | 94.3 | 88.8 | 79.9 | 65.0 | 53.5 | 75.6 |
| Highest Mean Max. Temperature (F) | 60.3 | 66.4 | 74.6 | 82.0 | 88.3 | 96.8 | 99.4 | 98.8 | 93.3 | 85.4 | 69.7 | 60.8 | 77.2 |
| Year Highest Occurred | 1970 | 1963 | 1972 | 1987 | 1984 | 1961 | 1988 | 1967 | 1984 | 1978 | 1980 | 1979 | 1961 |
| Lowest Mean Max. Temperature (F) | 46.4 | 55.4 | 59.2 | 61.4 | 74.3 | 85.7 | 90.2 | 86.6 | 82.6 | 74.1 | 59.0 | 45.1 | 73.2 |
| Year Lowest Occurred | 1972 | 1962 | 1973 | 1967 | 1977 | 1969 | 1987 | 1976 | 1986 | 1984 | 1982 | 1963 | 1982 |
| Mean Temperature (F) | 43.9 | 49.7 | 54.3 | 60.0 | 67.7 | 74.4 | 78.8 | 77.3 | 72.1 | 63.6 | 52.0 | 43.7 | 61.5 |
| Highest Mean Temperature (F) | 50.3 | 55.2 | 59.5 | 66.4 | 72.4 | 79.2 | 83.6 | 81.3 | 77.5 | 68.7 | 55.6 | 48.8 | 63.4 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1987 | 1984 | 1985 | 1988 | 1967 | 1984 | 1987 | 1967 | 1977 | 1986 |
| Lowest Mean Temperature (F) | 39.2 | 46.2 | 48.7 | 51.1 | 61.5 | 71.1 | 75.4 | 71.8 | 68.8 | 58.7 | 49.2 | 39.0 | 59.5 |
| Year Lowest Occurred | 1972 | 1990 | 1973 | 1967 | 1977 | 1980 | 1987 | 1976 | 1965 | 1969 | 1982 | 1963 | 1975 |
| Mean Min. Temperature (F) | 34.3 | 38.0 | 41.8 | 45.7 | 51.9 | 58.1 | 61.7 | 60.3 | 55.3 | 47.3 | 39.0 | 33.9 | 47.3 |
| Highest Mean Min. Temperature (F) | 42.0 | 44.1 | 48.9 | 51.5 | 56.7 | 63.4 | 67.7 | 64.2 | 61.7 | 54.6 | 43.3 | 40.1 | 50.8 |
| Year Highest Occurred | 1986 | 1986 | 1986 | 1989 | 1987 | 1985 | 1988 | 1983 | 1984 | 1987 | 1967 | 1983 | 1986 |
| Lowest Mean Min. Temperature (F) | 26.6 | 29.7 | 35.9 | 40.0 | 46.6 | 54.4 | 57.8 | 56.8 | 49.9 | 41.7 | 33.8 | 26.6 | 44.4 |
| Year Lowest Occurred | 1963 | 1964 | 1977 | 1975 | 1964 | 1964 | 1963 | 1975 | 1964 | 1969 | 1969 | 1990 | 1975 |
| Mean Precipitation (in.) | 1.44 | 1.46 | 1.34 | 0.74 | 0.20 | 0.06 | 0.01 | 0.02 | 0.24 | 0.35 | 1.05 | 1.04 | 7.95 |
| Highest Precipitation (in.) | 6.69 | 5.05 | 4.12 | 2.95 | 1.44 | 0.51 | 0.18 | 0.34 | 1.47 | 1.33 | 2.90 | 2.85 | 15.57 |
| Year Highest Occurred | 1969 | 1978 | 1978 | 1967 | 1971 | 1976 | 1982 | 1964 | 1976 | 1968 | 1972 | 1977 | 1983 |
| Lowest Precipitation (in.) | 0.00 | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 3.66 |
| Year Lowest Occurred | 1976 | 1964 | 1972 | 1977 | 1986 | 1990 | 1990 | 1990 | 1990 | 1988 | 1980 | 1989 | 1989 |
| Heating Degree Days (F) | 654. | 428. | 337. | 198. | 40. | 0. | 0. | 0. | 7. | 102. | 390. | 660. | 2816. |
| Cooling Degree Days (F) | 0. | 0. | 5. | 48. | 124. | 286. | 428. | 381. | 220. | 59. | 0. | 0. | 1551. |