| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 59.5 | 63.1 | 65.8 | 72.3 | 79.9 | 87.7 | 94.2 | 93.1 | 87.9 | 79.4 | 66.7 | 59.5 | 75.8 |
| Highest Mean Max. Temperature (F) | 67.3 | 68.5 | 73.4 | 80.8 | 88.8 | 95.0 | 99.4 | 100.7 | 96.7 | 85.8 | 73.2 | 65.6 | 77.8 |
| Year Highest Occurred | 1976 | 1963 | 1972 | 1987 | 1984 | 1981 | 1961 | 1967 | 1979 | 1965 | 1989 | 1989 | 1961 |
| Lowest Mean Max. Temperature (F) | 53.1 | 56.5 | 58.6 | 59.4 | 72.0 | 79.5 | 87.8 | 87.4 | 79.7 | 71.1 | 60.1 | 52.7 | 73.5 |
| Year Lowest Occurred | 1973 | 1969 | 1973 | 1967 | 1977 | 1965 | 1987 | 1976 | 1985 | 1972 | 1972 | 1972 | 1972 |
| Mean Temperature (F) | 46.5 | 50.0 | 52.3 | 56.4 | 62.6 | 69.1 | 74.0 | 73.4 | 69.3 | 62.0 | 52.3 | 46.2 | 59.5 |
| Highest Mean Temperature (F) | 51.7 | 56.5 | 56.6 | 61.8 | 68.0 | 74.0 | 78.0 | 78.5 | 74.4 | 66.0 | 56.4 | 52.5 | 60.8 |
| Year Highest Occurred | 1986 | 1963 | 1978 | 1989 | 1984 | 1981 | 1967 | 1967 | 1984 | 1987 | 1967 | 1977 | 1983 |
| Lowest Mean Temperature (F) | 42.3 | 46.1 | 47.9 | 49.4 | 58.5 | 62.9 | 69.7 | 69.7 | 63.8 | 57.0 | 48.7 | 40.8 | 57.4 |
| Year Lowest Occurred | 1972 | 1966 | 1977 | 1967 | 1977 | 1965 | 1987 | 1989 | 1986 | 1971 | 1971 | 1990 | 1971 |
| Mean Min. Temperature (F) | 33.5 | 36.8 | 38.8 | 40.4 | 45.3 | 50.4 | 53.8 | 53.6 | 50.7 | 44.6 | 37.9 | 32.8 | 43.2 |
| Highest Mean Min. Temperature (F) | 43.2 | 44.4 | 47.5 | 43.8 | 47.9 | 52.9 | 58.1 | 58.3 | 56.4 | 50.4 | 44.1 | 41.4 | 47.4 |
| Year Highest Occurred | 1978 | 1963 | 1978 | 1990 | 1983 | 1981 | 1985 | 1983 | 1984 | 1987 | 1966 | 1977 | 1983 |
| Lowest Mean Min. Temperature (F) | 27.4 | 28.9 | 31.5 | 34.5 | 41.4 | 46.3 | 50.2 | 50.2 | 46.1 | 37.8 | 32.6 | 23.4 | 40.6 |
| Year Lowest Occurred | 1976 | 1964 | 1977 | 1970 | 1964 | 1965 | 1962 | 1975 | 1964 | 1971 | 1980 | 1990 | 1975 |
| Mean Precipitation (in.) | 2.60 | 2.48 | 2.03 | 0.95 | 0.14 | 0.01 | 0.03 | 0.06 | 0.34 | 0.51 | 1.49 | 1.89 | 12.53 |
| Highest Precipitation (in.) | 12.19 | 8.82 | 5.97 | 4.51 | 1.68 | 0.10 | 0.30 | 0.90 | 3.21 | 2.43 | 5.22 | 6.79 | 25.23 |
| Year Highest Occurred | 1969 | 1969 | 1982 | 1967 | 1977 | 1966 | 1969 | 1976 | 1976 | 1968 | 1965 | 1966 | 1983 |
| Lowest Precipitation (in.) | 0.00 | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 4.78 |
| Year Lowest Occurred | 1976 | 1977 | 1972 | 1979 | 1986 | 1990 | 1990 | 1990 | 1988 | 1990 | 1962 | 1989 | 1989 |
| Heating Degree Days (F) | 574. | 420. | 394. | 275. | 114. | 28. | 0. | 0. | 33. | 132. | 381. | 583. | 2934. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 17. | 40. | 151. | 282. | 265. | 162. | 39. | 0. | 0. | 956. |