| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 39.6 | 46.6 | 53.5 | 61.5 | 70.2 | 79.8 | 89.0 | 88.3 | 77.2 | 63.2 | 48.1 | 40.2 | 63.1 |
| Highest Mean Max. Temperature (F) | 47.3 | 50.9 | 59.1 | 70.1 | 74.4 | 86.9 | 96.7 | 96.4 | 88.0 | 71.5 | 54.0 | 46.5 | 66.1 |
| Year Highest Occurred | 1983 | 1988 | 1990 | 1977 | 1966 | 1961 | 1985 | 1967 | 1990 | 1988 | 1989 | 1979 | 1990 |
| Lowest Mean Max. Temperature (F) | 22.5 | 33.1 | 48.6 | 54.9 | 63.4 | 73.6 | 82.6 | 82.0 | 66.8 | 57.6 | 35.1 | 27.9 | 59.5 |
| Year Lowest Occurred | 1979 | 1989 | 1971 | 1975 | 1962 | 1981 | 1986 | 1964 | 1985 | 1969 | 1985 | 1985 | 1985 |
| Mean Temperature (F) | 33.6 | 39.1 | 44.1 | 50.6 | 58.4 | 66.9 | 74.1 | 73.7 | 64.1 | 52.3 | 41.3 | 34.5 | 52.7 |
| Highest Mean Temperature (F) | 41.9 | 43.6 | 48.8 | 57.0 | 62.3 | 72.3 | 80.0 | 79.1 | 73.0 | 58.7 | 47.1 | 40.4 | 55.9 |
| Year Highest Occurred | 1990 | 1968 | 1986 | 1990 | 1987 | 1977 | 1985 | 1967 | 1990 | 1988 | 1990 | 1980 | 1990 |
| Lowest Mean Temperature (F) | 16.9 | 26.6 | 39.5 | 45.7 | 54.2 | 62.2 | 68.9 | 68.6 | 56.8 | 48.3 | 29.0 | 23.2 | 49.2 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1970 | 1962 | 1981 | 1986 | 1964 | 1985 | 1969 | 1985 | 1985 | 1985 |
| Mean Min. Temperature (F) | 27.6 | 31.5 | 34.7 | 39.7 | 46.5 | 53.9 | 59.2 | 58.9 | 50.9 | 41.4 | 34.4 | 28.7 | 42.3 |
| Highest Mean Min. Temperature (F) | 36.5 | 36.5 | 39.5 | 46.0 | 50.4 | 58.1 | 64.0 | 63.0 | 57.9 | 45.9 | 40.6 | 34.9 | 45.6 |
| Year Highest Occurred | 1990 | 1968 | 1986 | 1990 | 1987 | 1977 | 1975 | 1977 | 1990 | 1988 | 1990 | 1966 | 1990 |
| Lowest Mean Min. Temperature (F) | 11.2 | 20.0 | 28.1 | 35.9 | 43.7 | 50.3 | 55.2 | 54.1 | 46.0 | 38.3 | 22.8 | 18.5 | 38.9 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1970 | 1965 | 1976 | 1986 | 1980 | 1971 | 1984 | 1985 | 1985 | 1985 |
| Mean Precipitation (in.) | 1.28 | 0.89 | 1.09 | 1.13 | 1.31 | 1.25 | 0.67 | 0.78 | 0.78 | 0.90 | 1.15 | 1.20 | 12.43 |
| Highest Precipitation (in.) | 3.55 | 1.99 | 2.70 | 3.29 | 2.83 | 3.11 | 2.60 | 2.96 | 2.22 | 1.98 | 2.79 | 3.28 | 15.44 |
| Year Highest Occurred | 1970 | 1986 | 1972 | 1978 | 1962 | 1964 | 1987 | 1989 | 1977 | 1982 | 1973 | 1964 | 1971 |
| Lowest Precipitation (in.) | 0.24 | 0.17 | 0.25 | 0.10 | 0.27 | 0.24 | 0.01 | 0.00 | 0.00 | 0.00 | 0.23 | 0.14 | 8.52 |
| Year Lowest Occurred | 1985 | 1988 | 1969 | 1977 | 1964 | 1973 | 1973 | 1969 | 1975 | 1987 | 1976 | 1970 | 1974 |
| Heating Degree Days (F) | 973. | 725. | 648. | 436. | 210. | 64. | 6. | 16. | 141. | 394. | 711. | 946. | 5270. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 6. | 121. | 288. | 285. | 114. | 0. | 0. | 0. | 814. |