| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 53.7 | 61.2 | 66.1 | 72.9 | 80.8 | 88.5 | 93.5 | 92.2 | 87.5 | 78.4 | 64.7 | 54.2 | 74.5 |
| Highest Mean Max. Temperature (F) | 59.3 | 67.4 | 73.9 | 80.5 | 86.5 | 94.7 | 97.9 | 97.6 | 92.9 | 83.1 | 70.7 | 59.4 | 76.6 |
| Year Highest Occurred | 1976 | 1988 | 1972 | 1987 | 1973 | 1981 | 1988 | 1969 | 1974 | 1978 | 1986 | 1977 | 1988 |
| Lowest Mean Max. Temperature (F) | 47.8 | 54.6 | 60.9 | 61.0 | 72.1 | 82.1 | 84.1 | 84.8 | 82.4 | 72.7 | 57.4 | 44.8 | 71.2 |
| Year Lowest Occurred | 1961 | 1969 | 1982 | 1967 | 1977 | 1980 | 1983 | 1983 | 1985 | 1972 | 1982 | 1963 | 1963 |
| Mean Temperature (F) | 44.8 | 50.5 | 54.3 | 59.1 | 65.3 | 71.7 | 75.2 | 74.0 | 70.6 | 63.6 | 53.2 | 45.1 | 60.6 |
| Highest Mean Temperature (F) | 50.5 | 55.6 | 59.9 | 64.5 | 69.4 | 78.4 | 79.1 | 78.4 | 74.9 | 67.0 | 56.7 | 50.5 | 62.1 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1987 | 1987 | 1981 | 1961 | 1969 | 1984 | 1987 | 1967 | 1977 | 1986 |
| Lowest Mean Temperature (F) | 40.2 | 46.6 | 50.6 | 51.8 | 58.9 | 66.3 | 70.4 | 69.7 | 66.0 | 58.8 | 49.2 | 39.6 | 58.8 |
| Year Lowest Occurred | 1962 | 1969 | 1962 | 1967 | 1977 | 1980 | 1983 | 1985 | 1985 | 1984 | 1982 | 1963 | 1982 |
| Mean Min. Temperature (F) | 35.9 | 39.8 | 42.4 | 45.2 | 49.8 | 54.8 | 56.9 | 55.8 | 53.7 | 48.8 | 41.8 | 36.0 | 46.7 |
| Highest Mean Min. Temperature (F) | 42.5 | 45.9 | 48.6 | 48.5 | 54.6 | 62.0 | 60.5 | 59.2 | 57.3 | 53.4 | 46.2 | 42.1 | 48.4 |
| Year Highest Occurred | 1986 | 1963 | 1978 | 1987 | 1987 | 1981 | 1961 | 1961 | 1984 | 1987 | 1981 | 1964 | 1981 |
| Lowest Mean Min. Temperature (F) | 29.6 | 35.3 | 39.0 | 40.1 | 45.6 | 50.4 | 53.7 | 49.3 | 49.5 | 44.4 | 38.1 | 28.7 | 44.8 |
| Year Lowest Occurred | 1962 | 1990 | 1962 | 1975 | 1977 | 1980 | 1982 | 1985 | 1985 | 1984 | 1975 | 1990 | 1975 |
| Mean Precipitation (in.) | 1.81 | 1.44 | 1.54 | 0.79 | 0.27 | 0.08 | 0.05 | 0.15 | 0.28 | 0.58 | 1.45 | 1.42 | 9.86 |
| Highest Precipitation (in.) | 4.89 | 5.01 | 5.87 | 2.43 | 2.96 | 0.63 | 0.48 | 2.49 | 2.05 | 1.78 | 4.13 | 3.08 | 21.14 |
| Year Highest Occurred | 1983 | 1962 | 1983 | 1982 | 1990 | 1964 | 1980 | 1968 | 1982 | 1976 | 1970 | 1970 | 1983 |
| Lowest Precipitation (in.) | 0.17 | 0.06 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.10 | 5.93 |
| Year Lowest Occurred | 1976 | 1964 | 1972 | 1962 | 1987 | 1990 | 1990 | 1990 | 1988 | 1988 | 1980 | 1963 | 1971 |
| Heating Degree Days (F) | 626. | 406. | 332. | 210. | 78. | 12. | 0. | 0. | 13. | 95. | 354. | 617. | 2743. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 33. | 87. | 213. | 316. | 283. | 181. | 52. | 0. | 0. | 1165. |