| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 53.8 | 59.2 | 64.6 | 73.2 | 82.7 | 93.0 | 97.9 | 95.5 | 88.3 | 77.3 | 63.2 | 53.9 | 75.2 |
| Highest Mean Max. Temperature (F) | 60.9 | 66.5 | 75.9 | 82.0 | 90.7 | 99.6 | 100.7 | 99.8 | 95.8 | 84.4 | 69.2 | 62.7 | 78.5 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1989 | 1984 | 1981 | 1979 | 1981 | 1979 | 1988 | 1962 | 1980 | 1981 |
| Lowest Mean Max. Temperature (F) | 45.1 | 52.1 | 56.1 | 64.0 | 75.6 | 85.5 | 94.5 | 89.9 | 79.3 | 69.5 | 56.9 | 47.1 | 73.2 |
| Year Lowest Occurred | 1979 | 1969 | 1973 | 1967 | 1971 | 1965 | 1986 | 1968 | 1986 | 1972 | 1985 | 1971 | 1971 |
| Mean Temperature (F) | 44.5 | 48.7 | 52.7 | 60.2 | 69.1 | 79.0 | 84.5 | 82.5 | 75.4 | 65.3 | 52.6 | 44.8 | 63.3 |
| Highest Mean Temperature (F) | 51.2 | 56.3 | 62.5 | 69.0 | 75.5 | 84.8 | 87.4 | 86.5 | 78.1 | 72.4 | 58.1 | 53.2 | 66.0 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1989 | 1984 | 1974 | 1989 | 1969 | 1962 | 1988 | 1962 | 1980 | 1981 |
| Lowest Mean Temperature (F) | 37.7 | 43.2 | 46.1 | 50.8 | 62.8 | 72.0 | 80.3 | 78.2 | 67.9 | 59.1 | 46.7 | 39.0 | 61.3 |
| Year Lowest Occurred | 1979 | 1964 | 1973 | 1967 | 1977 | 1965 | 1987 | 1968 | 1986 | 1984 | 1972 | 1971 | 1982 |
| Mean Min. Temperature (F) | 35.1 | 38.2 | 40.8 | 47.1 | 55.4 | 65.0 | 71.1 | 69.5 | 62.5 | 53.4 | 42.1 | 35.6 | 51.3 |
| Highest Mean Min. Temperature (F) | 41.5 | 46.0 | 49.0 | 55.9 | 60.2 | 70.4 | 74.8 | 75.8 | 66.6 | 60.3 | 46.9 | 43.6 | 53.6 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1989 | 1984 | 1974 | 1972 | 1964 | 1963 | 1988 | 1962 | 1980 | 1989 |
| Lowest Mean Min. Temperature (F) | 30.2 | 31.7 | 36.0 | 37.6 | 48.4 | 58.5 | 65.3 | 65.1 | 56.4 | 45.7 | 35.9 | 30.9 | 49.2 |
| Year Lowest Occurred | 1979 | 1964 | 1973 | 1967 | 1977 | 1965 | 1987 | 1976 | 1986 | 1984 | 1972 | 1990 | 1982 |
| Mean Precipitation (in.) | 0.73 | 0.72 | 0.77 | 0.41 | 0.23 | 0.12 | 0.89 | 1.21 | 0.60 | 0.47 | 0.55 | 0.72 | 7.42 |
| Highest Precipitation (in.) | 2.77 | 4.95 | 2.69 | 3.89 | 1.01 | 0.50 | 4.97 | 7.82 | 5.93 | 2.25 | 2.81 | 4.07 | 18.65 |
| Year Highest Occurred | 1969 | 1980 | 1979 | 1965 | 1971 | 1969 | 1984 | 1982 | 1976 | 1987 | 1978 | 1984 | 1978 |
| 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 | 1.95 |
| Year Lowest Occurred | 1984 | 1984 | 1988 | 1989 | 1986 | 1989 | 1975 | 1987 | 1989 | 1988 | 1989 | 1990 | 1964 |
| Heating Degree Days (F) | 636. | 456. | 392. | 210. | 41. | 0. | 0. | 0. | 0. | 115. | 378. | 626. | 2854. |
| Cooling Degree Days (F) | 0. | 0. | 11. | 66. | 168. | 420. | 605. | 543. | 317. | 124. | 6. | 0. | 2260. |