| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 63.7 | 64.6 | 65.3 | 67.4 | 68.6 | 71.2 | 73.9 | 75.4 | 75.2 | 73.1 | 68.5 | 64.4 | 69.3 |
| Highest Mean Max. Temperature (F) | 67.6 | 71.5 | 72.2 | 72.1 | 73.8 | 77.9 | 77.9 | 80.0 | 82.2 | 78.6 | 75.6 | 70.8 | 71.9 |
| Year Highest Occurred | 1976 | 1977 | 1988 | 1989 | 1984 | 1981 | 1990 | 1971 | 1984 | 1965 | 1977 | 1989 | 1990 |
| Lowest Mean Max. Temperature (F) | 59.0 | 59.1 | 61.2 | 61.3 | 64.2 | 67.4 | 70.8 | 72.2 | 70.5 | 69.1 | 64.1 | 60.5 | 66.9 |
| Year Lowest Occurred | 1974 | 1962 | 1975 | 1967 | 1975 | 1965 | 1965 | 1975 | 1980 | 1978 | 1978 | 1984 | 1975 |
| Mean Temperature (F) | 52.0 | 53.9 | 55.2 | 57.2 | 59.4 | 62.4 | 65.4 | 66.8 | 65.8 | 62.3 | 56.6 | 52.3 | 59.1 |
| Highest Mean Temperature (F) | 56.8 | 59.2 | 59.9 | 61.5 | 63.8 | 67.6 | 68.1 | 71.0 | 72.7 | 66.5 | 61.2 | 58.3 | 61.3 |
| Year Highest Occurred | 1978 | 1963 | 1983 | 1989 | 1984 | 1981 | 1985 | 1971 | 1984 | 1976 | 1977 | 1977 | 1983 |
| Lowest Mean Temperature (F) | 48.6 | 50.5 | 52.6 | 51.9 | 56.5 | 59.8 | 62.9 | 63.9 | 61.7 | 59.0 | 53.6 | 48.5 | 57.1 |
| Year Lowest Occurred | 1982 | 1989 | 1985 | 1967 | 1975 | 1982 | 1965 | 1970 | 1986 | 1981 | 1985 | 1967 | 1975 |
| Mean Min. Temperature (F) | 40.3 | 43.2 | 45.2 | 47.1 | 50.1 | 53.6 | 56.9 | 58.2 | 56.5 | 51.5 | 44.7 | 40.1 | 49.0 |
| Highest Mean Min. Temperature (F) | 48.3 | 50.0 | 51.1 | 50.9 | 54.4 | 57.2 | 60.0 | 62.5 | 63.2 | 56.8 | 48.7 | 48.8 | 52.1 |
| Year Highest Occurred | 1978 | 1963 | 1983 | 1989 | 1979 | 1981 | 1984 | 1984 | 1984 | 1976 | 1967 | 1977 | 1983 |
| Lowest Mean Min. Temperature (F) | 34.2 | 38.9 | 41.7 | 42.4 | 45.5 | 50.6 | 53.1 | 55.0 | 51.0 | 46.6 | 39.3 | 32.9 | 47.0 |
| Year Lowest Occurred | 1976 | 1989 | 1961 | 1967 | 1961 | 1980 | 1987 | 1987 | 1970 | 1971 | 1975 | 1990 | 1961 |
| Mean Precipitation (in.) | 3.21 | 3.61 | 2.84 | 1.06 | 0.16 | 0.04 | 0.02 | 0.11 | 0.45 | 0.52 | 2.03 | 2.20 | 16.25 |
| Highest Precipitation (in.) | 12.25 | 13.62 | 10.08 | 5.75 | 1.83 | 0.46 | 0.40 | 1.87 | 4.13 | 2.40 | 6.92 | 5.77 | 40.74 |
| Year Highest Occurred | 1969 | 1962 | 1978 | 1965 | 1977 | 1988 | 1980 | 1983 | 1976 | 1976 | 1965 | 1971 | 1983 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 4.33 |
| Year Lowest Occurred | 1976 | 1964 | 1972 | 1979 | 1988 | 1990 | 1990 | 1990 | 1988 | 1990 | 1980 | 1989 | 1989 |
| Heating Degree Days (F) | 403. | 311. | 304. | 237. | 178. | 102. | 42. | 36. | 71. | 108. | 252. | 394. | 2438. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 24. | 55. | 91. | 95. | 24. | 0. | 0. | 289. |