| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 38.9 | 42.0 | 47.1 | 56.2 | 65.7 | 76.2 | 81.2 | 78.2 | 71.6 | 62.0 | 48.9 | 40.6 | 59.1 |
| Highest Mean Max. Temperature (F) | 47.4 | 49.7 | 55.8 | 63.7 | 71.8 | 83.5 | 85.4 | 81.3 | 77.7 | 70.1 | 55.2 | 53.4 | 62.1 |
| Year Highest Occurred | 1981 | 1981 | 1989 | 1981 | 1963 | 1974 | 1963 | 1962 | 1963 | 1963 | 1966 | 1980 | 1963 |
| Lowest Mean Max. Temperature (F) | 31.5 | 32.8 | 38.4 | 48.1 | 58.7 | 70.1 | 76.4 | 73.9 | 65.7 | 52.1 | 37.2 | 34.1 | 57.2 |
| Year Lowest Occurred | 1979 | 1964 | 1964 | 1970 | 1983 | 1983 | 1990 | 1967 | 1965 | 1969 | 1972 | 1974 | 1964 |
| Mean Temperature (F) | 22.3 | 25.6 | 32.1 | 40.7 | 49.3 | 58.1 | 63.2 | 61.0 | 54.0 | 43.9 | 32.7 | 24.0 | 42.2 |
| Highest Mean Temperature (F) | 31.6 | 32.4 | 39.9 | 49.1 | 53.7 | 62.7 | 66.7 | 64.4 | 58.7 | 50.2 | 39.3 | 36.6 | 45.7 |
| Year Highest Occurred | 1969 | 1970 | 1974 | 1981 | 1984 | 1981 | 1978 | 1970 | 1963 | 1963 | 1973 | 1980 | 1981 |
| Lowest Mean Temperature (F) | 15.7 | 15.0 | 23.1 | 33.5 | 44.8 | 54.4 | 60.9 | 58.4 | 50.2 | 38.2 | 21.7 | 17.4 | 39.9 |
| Year Lowest Occurred | 1984 | 1964 | 1964 | 1970 | 1983 | 1983 | 1990 | 1976 | 1971 | 1970 | 1972 | 1974 | 1964 |
| Mean Min. Temperature (F) | 5.5 | 9.1 | 17.0 | 25.2 | 32.9 | 40.0 | 45.1 | 43.7 | 36.3 | 25.8 | 16.5 | 7.4 | 25.4 |
| Highest Mean Min. Temperature (F) | 17.8 | 17.2 | 27.2 | 34.4 | 37.1 | 45.2 | 49.1 | 47.8 | 41.6 | 33.2 | 23.5 | 19.7 | 29.9 |
| Year Highest Occurred | 1969 | 1962 | 1974 | 1981 | 1984 | 1981 | 1981 | 1982 | 1981 | 1981 | 1981 | 1980 | 1981 |
| Lowest Mean Min. Temperature (F) | -3.8 | -2.9 | 7.7 | 18.7 | 29.7 | 35.9 | 42.6 | 40.8 | 31.3 | 20.6 | 6.2 | 0.2 | 22.6 |
| Year Lowest Occurred | 1963 | 1964 | 1964 | 1973 | 1972 | 1962 | 1989 | 1990 | 1971 | 1980 | 1972 | 1989 | 1964 |
| Mean Precipitation (in.) | 0.45 | 0.60 | 1.23 | 1.07 | 1.39 | 1.11 | 2.25 | 2.66 | 1.27 | 1.13 | 0.86 | 0.75 | 14.77 |
| Highest Precipitation (in.) | 1.53 | 2.07 | 3.99 | 3.41 | 3.29 | 3.27 | 5.03 | 8.18 | 3.25 | 3.64 | 3.04 | 2.95 | 22.05 |
| Year Highest Occurred | 1987 | 1961 | 1970 | 1990 | 1979 | 1965 | 1965 | 1981 | 1976 | 1969 | 1964 | 1978 | 1967 |
| Lowest Precipitation (in.) | 0.03 | 0.07 | 0.00 | 0.05 | 0.08 | 0.07 | 0.23 | 0.31 | 0.22 | 0.08 | 0.06 | 0.01 | 8.85 |
| Year Lowest Occurred | 1969 | 1970 | 1966 | 1981 | 1963 | 1968 | 1987 | 1980 | 1984 | 1977 | 1973 | 1980 | 1962 |
| Heating Degree Days (F) | 1324. | 1103. | 1020. | 729. | 487. | 213. | 83. | 135. | 330. | 654. | 969. | 1271. | 8318. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 6. | 28. | 11. | 0. | 0. | 0. | 0. | 45. |