| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 51.9 | 57.4 | 62.8 | 71.9 | 82.4 | 93.5 | 99.1 | 96.2 | 88.9 | 77.6 | 62.2 | 52.6 | 74.7 |
| Highest Mean Max. Temperature (F) | 62.0 | 64.0 | 74.5 | 82.8 | 90.2 | 99.6 | 103.7 | 100.8 | 94.7 | 85.0 | 68.2 | 61.8 | 77.8 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1989 | 1984 | 1974 | 1989 | 1969 | 1979 | 1988 | 1962 | 1980 | 1989 |
| Lowest Mean Max. Temperature (F) | 41.8 | 50.5 | 54.3 | 62.4 | 75.4 | 86.7 | 96.3 | 90.3 | 83.1 | 68.1 | 54.1 | 45.6 | 72.2 |
| Year Lowest Occurred | 1979 | 1979 | 1973 | 1975 | 1977 | 1965 | 1986 | 1968 | 1986 | 1984 | 1972 | 1967 | 1982 |
| Mean Temperature (F) | 40.2 | 45.1 | 49.7 | 57.5 | 67.2 | 77.5 | 83.9 | 81.6 | 74.2 | 63.4 | 49.8 | 41.1 | 60.9 |
| Highest Mean Temperature (F) | 49.7 | 50.7 | 58.2 | 65.6 | 72.8 | 82.6 | 87.4 | 86.5 | 79.8 | 70.7 | 55.5 | 49.2 | 63.1 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1989 | 1984 | 1974 | 1989 | 1969 | 1979 | 1988 | 1962 | 1980 | 1981 |
| Lowest Mean Temperature (F) | 32.8 | 38.7 | 43.9 | 49.5 | 62.0 | 71.2 | 81.3 | 77.0 | 68.3 | 54.2 | 44.0 | 34.4 | 58.9 |
| Year Lowest Occurred | 1979 | 1964 | 1973 | 1975 | 1977 | 1965 | 1987 | 1968 | 1965 | 1984 | 1972 | 1967 | 1964 |
| Mean Min. Temperature (F) | 28.5 | 32.7 | 36.7 | 42.9 | 51.8 | 61.4 | 68.6 | 66.9 | 59.5 | 49.2 | 37.3 | 29.5 | 47.1 |
| Highest Mean Min. Temperature (F) | 37.3 | 39.0 | 42.9 | 48.3 | 55.6 | 66.6 | 72.1 | 72.2 | 64.8 | 56.3 | 43.2 | 36.5 | 49.6 |
| Year Highest Occurred | 1986 | 1968 | 1986 | 1989 | 1976 | 1961 | 1972 | 1969 | 1979 | 1988 | 1981 | 1980 | 1981 |
| Lowest Mean Min. Temperature (F) | 22.0 | 22.5 | 29.7 | 36.6 | 47.2 | 55.7 | 65.6 | 63.6 | 53.2 | 40.3 | 33.1 | 21.6 | 44.3 |
| Year Lowest Occurred | 1963 | 1964 | 1964 | 1975 | 1965 | 1965 | 1987 | 1968 | 1965 | 1984 | 1979 | 1990 | 1964 |
| Mean Precipitation (in.) | 1.59 | 1.60 | 2.05 | 1.15 | 0.84 | 0.48 | 1.25 | 1.79 | 1.00 | 0.92 | 1.46 | 1.28 | 15.41 |
| Highest Precipitation (in.) | 6.48 | 6.65 | 7.07 | 4.67 | 3.00 | 4.00 | 4.93 | 4.83 | 3.00 | 3.09 | 3.70 | 4.27 | 25.64 |
| Year Highest Occurred | 1980 | 1980 | 1978 | 1988 | 1977 | 1972 | 1975 | 1963 | 1982 | 1972 | 1987 | 1966 | 1983 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.05 | 0.13 | 0.00 | 0.00 | 0.01 | 0.00 | 8.54 |
| Year Lowest Occurred | 1972 | 1972 | 1972 | 1989 | 1972 | 1980 | 1962 | 1985 | 1979 | 1967 | 1989 | 1989 | 1989 |
| Heating Degree Days (F) | 769. | 557. | 481. | 260. | 66. | 0. | 0. | 0. | 7. | 150. | 456. | 741. | 3487. |
| Cooling Degree Days (F) | 0. | 0. | 6. | 35. | 135. | 375. | 586. | 515. | 283. | 100. | 0. | 0. | 2035. |