| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 56.4 | 59.7 | 60.9 | 63.8 | 66.2 | 69.0 | 70.0 | 70.0 | 71.7 | 69.6 | 62.5 | 56.6 | 64.7 |
| Highest Mean Max. Temperature (F) | 60.1 | 64.0 | 66.1 | 69.0 | 72.4 | 76.5 | 73.2 | 73.6 | 80.5 | 74.3 | 67.8 | 61.0 | 66.2 |
| Year Highest Occurred | 1976 | 1970 | 1970 | 1987 | 1984 | 1981 | 1988 | 1983 | 1984 | 1967 | 1976 | 1980 | 1984 |
| Lowest Mean Max. Temperature (F) | 53.6 | 55.0 | 57.8 | 56.3 | 61.9 | 63.4 | 66.2 | 66.5 | 66.5 | 66.8 | 57.7 | 51.6 | 63.0 |
| Year Lowest Occurred | 1982 | 1989 | 1973 | 1967 | 1964 | 1982 | 1962 | 1980 | 1962 | 1975 | 1973 | 1972 | 1975 |
| Mean Temperature (F) | 49.9 | 53.0 | 53.9 | 56.0 | 58.4 | 61.2 | 62.1 | 62.7 | 63.8 | 61.5 | 55.6 | 50.2 | 57.4 |
| Highest Mean Temperature (F) | 54.2 | 57.4 | 57.7 | 59.8 | 62.9 | 66.8 | 64.5 | 65.9 | 68.8 | 64.4 | 59.7 | 54.6 | 58.9 |
| Year Highest Occurred | 1970 | 1963 | 1970 | 1989 | 1978 | 1981 | 1988 | 1983 | 1984 | 1967 | 1976 | 1969 | 1979 |
| Lowest Mean Temperature (F) | 46.9 | 48.3 | 50.6 | 50.1 | 55.0 | 56.6 | 58.9 | 60.4 | 60.0 | 59.0 | 51.2 | 45.8 | 55.7 |
| Year Lowest Occurred | 1982 | 1989 | 1985 | 1967 | 1964 | 1965 | 1965 | 1980 | 1962 | 1971 | 1985 | 1965 | 1965 |
| Mean Min. Temperature (F) | 43.3 | 46.2 | 46.8 | 48.2 | 50.6 | 53.3 | 54.2 | 55.3 | 55.9 | 53.4 | 48.7 | 43.8 | 50.0 |
| Highest Mean Min. Temperature (F) | 49.5 | 50.8 | 51.7 | 52.9 | 54.5 | 57.1 | 56.7 | 58.1 | 59.2 | 56.3 | 52.3 | 48.6 | 51.9 |
| Year Highest Occurred | 1970 | 1963 | 1986 | 1989 | 1979 | 1981 | 1972 | 1983 | 1979 | 1987 | 1967 | 1969 | 1979 |
| Lowest Mean Min. Temperature (F) | 39.5 | 41.6 | 43.0 | 43.9 | 47.9 | 49.5 | 51.0 | 53.4 | 52.4 | 49.9 | 43.5 | 38.7 | 47.7 |
| Year Lowest Occurred | 1963 | 1989 | 1985 | 1967 | 1965 | 1965 | 1965 | 1970 | 1965 | 1971 | 1985 | 1965 | 1985 |
| Mean Precipitation (in.) | 5.03 | 3.75 | 3.71 | 1.82 | 0.33 | 0.15 | 0.07 | 0.10 | 0.37 | 1.48 | 3.74 | 3.75 | 24.30 |
| Highest Precipitation (in.) | 12.47 | 11.15 | 11.74 | 5.97 | 4.00 | 1.21 | 1.50 | 1.33 | 1.65 | 7.05 | 11.47 | 8.47 | 48.42 |
| Year Highest Occurred | 1973 | 1986 | 1983 | 1963 | 1990 | 1967 | 1974 | 1976 | 1977 | 1962 | 1973 | 1969 | 1983 |
| Lowest Precipitation (in.) | 0.22 | 0.16 | 0.09 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.29 | 0.00 | 10.14 |
| Year Lowest Occurred | 1984 | 1964 | 1988 | 1970 | 1982 | 1987 | 1990 | 1990 | 1988 | 1978 | 1980 | 1989 | 1976 |
| Heating Degree Days (F) | 468. | 336. | 344. | 273. | 210. | 134. | 103. | 84. | 89. | 120. | 282. | 459. | 2902. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 6. | 20. | 13. | 12. | 53. | 11. | 0. | 0. | 115. |