| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 43.5 | 51.1 | 59.0 | 68.1 | 77.5 | 87.8 | 91.5 | 88.8 | 82.2 | 70.6 | 56.4 | 45.3 | 68.5 |
| Highest Mean Max. Temperature (F) | 55.2 | 58.2 | 69.4 | 76.5 | 83.8 | 94.3 | 95.5 | 92.4 | 86.7 | 76.6 | 62.1 | 55.6 | 71.7 |
| Year Highest Occurred | 1986 | 1972 | 1972 | 1989 | 1984 | 1990 | 1989 | 1962 | 1979 | 1988 | 1981 | 1980 | 1989 |
| Lowest Mean Max. Temperature (F) | 34.3 | 43.9 | 50.9 | 60.0 | 72.4 | 82.6 | 88.4 | 84.7 | 77.9 | 61.1 | 49.7 | 35.7 | 66.4 |
| Year Lowest Occurred | 1968 | 1966 | 1973 | 1983 | 1980 | 1965 | 1974 | 1968 | 1985 | 1984 | 1979 | 1961 | 1982 |
| Mean Temperature (F) | 30.2 | 36.9 | 43.5 | 51.1 | 59.8 | 69.2 | 75.2 | 73.3 | 65.6 | 53.7 | 41.8 | 31.5 | 52.7 |
| Highest Mean Temperature (F) | 36.4 | 41.7 | 50.2 | 58.1 | 64.3 | 74.9 | 79.3 | 76.1 | 69.2 | 59.7 | 46.2 | 38.5 | 54.8 |
| Year Highest Occurred | 1986 | 1986 | 1989 | 1989 | 1966 | 1990 | 1963 | 1969 | 1963 | 1963 | 1965 | 1977 | 1989 |
| Lowest Mean Temperature (F) | 21.0 | 31.1 | 38.1 | 44.9 | 55.6 | 64.8 | 72.7 | 70.0 | 61.3 | 48.4 | 35.8 | 22.1 | 50.8 |
| Year Lowest Occurred | 1968 | 1979 | 1964 | 1970 | 1980 | 1983 | 1981 | 1968 | 1985 | 1984 | 1979 | 1961 | 1979 |
| Mean Min. Temperature (F) | 16.8 | 22.7 | 27.9 | 34.1 | 42.2 | 50.6 | 58.9 | 57.7 | 49.1 | 36.8 | 27.0 | 17.6 | 36.8 |
| Highest Mean Min. Temperature (F) | 26.1 | 28.7 | 33.2 | 39.7 | 46.1 | 55.5 | 63.5 | 61.0 | 54.1 | 43.2 | 32.7 | 25.3 | 38.8 |
| Year Highest Occurred | 1980 | 1968 | 1974 | 1989 | 1966 | 1990 | 1963 | 1988 | 1990 | 1963 | 1965 | 1983 | 1990 |
| Lowest Mean Min. Temperature (F) | 7.7 | 14.9 | 21.5 | 28.4 | 37.5 | 46.3 | 54.3 | 52.8 | 42.6 | 30.5 | 20.2 | 8.5 | 34.1 |
| Year Lowest Occurred | 1968 | 1984 | 1977 | 1970 | 1975 | 1973 | 1978 | 1978 | 1973 | 1982 | 1976 | 1976 | 1976 |
| Mean Precipitation (in.) | 0.72 | 0.60 | 0.74 | 0.52 | 0.53 | 0.27 | 1.31 | 1.37 | 0.93 | 1.05 | 0.85 | 0.74 | 9.63 |
| Highest Precipitation (in.) | 5.57 | 1.95 | 2.13 | 2.93 | 1.89 | 2.05 | 3.38 | 5.19 | 2.22 | 4.45 | 2.23 | 2.74 | 17.95 |
| Year Highest Occurred | 1983 | 1983 | 1973 | 1988 | 1976 | 1988 | 1988 | 1963 | 1990 | 1972 | 1985 | 1982 | 1982 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.31 | 0.01 | 0.00 | 0.00 | 0.00 | 3.29 |
| Year Lowest Occurred | 1986 | 1984 | 1972 | 1989 | 1989 | 1989 | 1989 | 1975 | 1989 | 1967 | 1989 | 1976 | 1989 |
| Heating Degree Days (F) | 1079. | 787. | 667. | 417. | 184. | 28. | 0. | 0. | 55. | 356. | 696. | 1039. | 5308. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 23. | 154. | 316. | 257. | 73. | 6. | 0. | 0. | 829. |