| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 34.9 | 42.7 | 51.9 | 61.3 | 71.5 | 82.2 | 91.6 | 88.6 | 77.3 | 62.5 | 47.2 | 35.4 | 62.3 |
| Highest Mean Max. Temperature (F) | 40.6 | 50.9 | 59.7 | 71.9 | 78.5 | 90.3 | 95.1 | 94.1 | 82.9 | 69.5 | 50.8 | 43.9 | 64.7 |
| Year Highest Occurred | 1978 | 1963 | 1986 | 1987 | 1969 | 1986 | 1985 | 1981 | 1990 | 1988 | 1981 | 1977 | 1981 |
| Lowest Mean Max. Temperature (F) | 23.8 | 28.6 | 46.2 | 52.9 | 63.8 | 73.4 | 85.7 | 81.1 | 70.6 | 55.4 | 42.6 | 26.6 | 59.0 |
| Year Lowest Occurred | 1984 | 1984 | 1964 | 1975 | 1977 | 1963 | 1987 | 1968 | 1965 | 1969 | 1961 | 1990 | 1984 |
| Mean Temperature (F) | 26.8 | 33.7 | 42.2 | 50.7 | 60.8 | 70.9 | 79.7 | 76.7 | 65.6 | 52.0 | 38.6 | 27.6 | 52.1 |
| Highest Mean Temperature (F) | 34.1 | 41.9 | 49.9 | 58.4 | 67.4 | 78.4 | 83.6 | 81.0 | 71.7 | 58.5 | 42.7 | 36.0 | 54.7 |
| Year Highest Occurred | 1978 | 1986 | 1986 | 1987 | 1969 | 1986 | 1985 | 1981 | 1990 | 1988 | 1965 | 1977 | 1981 |
| Lowest Mean Temperature (F) | 16.2 | 20.7 | 36.8 | 43.8 | 55.0 | 63.5 | 75.2 | 70.1 | 59.6 | 46.3 | 34.5 | 17.1 | 49.4 |
| Year Lowest Occurred | 1984 | 1984 | 1964 | 1975 | 1977 | 1963 | 1987 | 1968 | 1965 | 1969 | 1961 | 1990 | 1984 |
| Mean Min. Temperature (F) | 18.7 | 24.8 | 32.4 | 40.0 | 50.0 | 59.6 | 67.8 | 64.8 | 53.9 | 41.5 | 30.0 | 19.9 | 42.0 |
| Highest Mean Min. Temperature (F) | 27.5 | 33.5 | 40.0 | 46.6 | 56.2 | 66.5 | 72.0 | 68.7 | 60.4 | 47.9 | 34.7 | 28.0 | 44.6 |
| Year Highest Occurred | 1978 | 1986 | 1986 | 1990 | 1969 | 1986 | 1985 | 1967 | 1990 | 1963 | 1965 | 1977 | 1981 |
| Lowest Mean Min. Temperature (F) | 8.6 | 12.7 | 27.1 | 34.5 | 45.2 | 53.5 | 64.5 | 59.0 | 47.2 | 35.8 | 25.9 | 7.5 | 39.8 |
| Year Lowest Occurred | 1984 | 1984 | 1976 | 1970 | 1975 | 1963 | 1983 | 1968 | 1970 | 1970 | 1971 | 1990 | 1984 |
| Mean Precipitation (in.) | 0.24 | 0.32 | 0.45 | 0.56 | 0.90 | 0.65 | 0.31 | 0.46 | 0.38 | 0.55 | 0.38 | 0.27 | 5.47 |
| Highest Precipitation (in.) | 0.86 | 1.29 | 1.34 | 1.98 | 4.19 | 3.01 | 1.11 | 1.51 | 3.37 | 2.41 | 1.58 | 0.86 | 10.40 |
| Year Highest Occurred | 1980 | 1962 | 1978 | 1971 | 1987 | 1964 | 1987 | 1983 | 1982 | 1972 | 1970 | 1964 | 1987 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.03 | 0.03 | 0.04 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 2.79 |
| Year Lowest Occurred | 1961 | 1988 | 1972 | 1977 | 1969 | 1974 | 1963 | 1985 | 1987 | 1988 | 1962 | 1989 | 1974 |
| Heating Degree Days (F) | 1184. | 876. | 707. | 437. | 173. | 45. | 0. | 0. | 88. | 403. | 792. | 1159. | 5864. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 8. | 42. | 222. | 456. | 363. | 106. | 0. | 0. | 0. | 1197. |