| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 55.6 | 57.7 | 59.3 | 64.6 | 71.6 | 79.7 | 87.0 | 86.4 | 82.5 | 74.5 | 61.8 | 55.9 | 69.7 |
| Highest Mean Max. Temperature (F) | 62.1 | 64.5 | 68.6 | 73.3 | 78.2 | 87.4 | 93.0 | 94.8 | 90.1 | 82.5 | 69.7 | 65.5 | 72.8 |
| Year Highest Occurred | 1976 | 1977 | 1972 | 1966 | 1976 | 1979 | 1967 | 1967 | 1974 | 1965 | 1976 | 1976 | 1976 |
| Lowest Mean Max. Temperature (F) | 50.4 | 48.7 | 52.2 | 51.4 | 64.3 | 70.5 | 76.5 | 79.8 | 73.7 | 67.5 | 55.9 | 48.6 | 66.0 |
| Year Lowest Occurred | 1982 | 1969 | 1982 | 1967 | 1977 | 1980 | 1987 | 1968 | 1986 | 1984 | 1973 | 1971 | 1982 |
| Mean Temperature (F) | 47.7 | 49.4 | 50.0 | 54.0 | 59.4 | 66.4 | 73.7 | 73.2 | 69.9 | 63.5 | 53.3 | 48.1 | 59.1 |
| Highest Mean Temperature (F) | 53.1 | 54.8 | 56.7 | 61.3 | 63.4 | 73.0 | 79.8 | 82.0 | 75.3 | 70.1 | 59.8 | 55.9 | 61.0 |
| Year Highest Occurred | 1976 | 1977 | 1972 | 1966 | 1984 | 1981 | 1967 | 1967 | 1975 | 1978 | 1976 | 1976 | 1976 |
| Lowest Mean Temperature (F) | 43.5 | 42.5 | 45.7 | 44.0 | 53.3 | 58.8 | 63.6 | 68.9 | 62.6 | 58.1 | 46.9 | 41.4 | 56.6 |
| Year Lowest Occurred | 1982 | 1989 | 1982 | 1967 | 1977 | 1980 | 1987 | 1976 | 1986 | 1984 | 1973 | 1971 | 1982 |
| Mean Min. Temperature (F) | 39.7 | 41.0 | 40.7 | 43.3 | 47.2 | 53.2 | 60.4 | 60.0 | 57.2 | 52.5 | 44.7 | 40.1 | 48.3 |
| Highest Mean Min. Temperature (F) | 44.8 | 47.4 | 46.0 | 49.2 | 51.6 | 60.5 | 66.8 | 69.2 | 63.0 | 57.9 | 49.9 | 46.2 | 50.6 |
| Year Highest Occurred | 1981 | 1963 | 1978 | 1966 | 1984 | 1981 | 1984 | 1967 | 1969 | 1978 | 1976 | 1976 | 1967 |
| Lowest Mean Min. Temperature (F) | 34.8 | 31.9 | 36.8 | 36.5 | 42.3 | 47.1 | 50.7 | 56.3 | 51.4 | 47.5 | 37.8 | 34.2 | 46.3 |
| Year Lowest Occurred | 1989 | 1989 | 1975 | 1967 | 1977 | 1980 | 1987 | 1987 | 1986 | 1985 | 1973 | 1971 | 1989 |
| Mean Precipitation (in.) | 4.50 | 3.62 | 3.41 | 1.62 | 0.44 | 0.14 | 0.05 | 0.09 | 0.36 | 1.47 | 3.44 | 3.54 | 22.68 |
| Highest Precipitation (in.) | 12.00 | 12.71 | 9.03 | 5.43 | 2.91 | 0.99 | 0.56 | 1.11 | 1.78 | 10.67 | 7.87 | 9.13 | 41.45 |
| Year Highest Occurred | 1967 | 1986 | 1983 | 1967 | 1990 | 1967 | 1974 | 1976 | 1989 | 1962 | 1970 | 1964 | 1983 |
| Lowest Precipitation (in.) | 0.31 | 0.00 | 0.20 | 0.15 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.22 | 0.00 | 8.90 |
| Year Lowest Occurred | 1984 | 1964 | 1972 | 1973 | 1982 | 1990 | 1990 | 1989 | 1988 | 1990 | 1986 | 1989 | 1976 |
| Heating Degree Days (F) | 536. | 437. | 465. | 348. | 204. | 97. | 24. | 19. | 45. | 136. | 360. | 524. | 3195. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 18. | 31. | 139. | 293. | 273. | 192. | 89. | 9. | 0. | 1044. |