| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 58.2 | 62.5 | 65.3 | 70.0 | 74.6 | 79.6 | 82.4 | 82.0 | 80.6 | 74.5 | 64.4 | 57.5 | 71.0 |
| Highest Mean Max. Temperature (F) | 62.1 | 68.0 | 70.9 | 76.8 | 79.1 | 85.7 | 86.5 | 86.5 | 86.0 | 78.6 | 68.2 | 61.1 | 72.5 |
| Year Highest Occurred | 1986 | 1963 | 1988 | 1966 | 1984 | 1981 | 1984 | 1969 | 1984 | 1965 | 1962 | 1969 | 1988 |
| Lowest Mean Max. Temperature (F) | 54.1 | 57.0 | 60.6 | 59.6 | 68.0 | 73.4 | 78.9 | 78.7 | 76.4 | 70.8 | 60.3 | 53.2 | 69.4 |
| Year Lowest Occurred | 1985 | 1969 | 1985 | 1967 | 1977 | 1982 | 1987 | 1976 | 1986 | 1975 | 1985 | 1972 | 1982 |
| Mean Temperature (F) | 49.4 | 53.2 | 55.4 | 58.6 | 62.7 | 67.1 | 69.5 | 69.4 | 68.2 | 63.1 | 55.0 | 49.1 | 60.1 |
| Highest Mean Temperature (F) | 54.6 | 59.5 | 59.5 | 63.9 | 66.6 | 72.3 | 73.0 | 71.9 | 72.0 | 66.5 | 58.7 | 54.1 | 61.7 |
| Year Highest Occurred | 1986 | 1963 | 1986 | 1989 | 1987 | 1981 | 1984 | 1990 | 1984 | 1987 | 1962 | 1983 | 1986 |
| Lowest Mean Temperature (F) | 45.6 | 49.6 | 51.4 | 50.9 | 58.2 | 63.8 | 67.0 | 67.4 | 64.9 | 59.1 | 51.8 | 43.9 | 58.2 |
| Year Lowest Occurred | 1985 | 1969 | 1985 | 1967 | 1977 | 1965 | 1966 | 1973 | 1965 | 1971 | 1982 | 1990 | 1975 |
| Mean Min. Temperature (F) | 40.6 | 43.9 | 45.4 | 47.1 | 50.9 | 54.6 | 56.6 | 56.8 | 55.8 | 51.6 | 45.5 | 40.7 | 49.1 |
| Highest Mean Min. Temperature (F) | 47.0 | 51.0 | 50.4 | 52.2 | 55.6 | 58.8 | 59.7 | 61.0 | 58.9 | 56.7 | 50.5 | 48.4 | 51.1 |
| Year Highest Occurred | 1986 | 1963 | 1978 | 1989 | 1987 | 1981 | 1988 | 1990 | 1983 | 1987 | 1981 | 1983 | 1987 |
| Lowest Mean Min. Temperature (F) | 36.3 | 39.6 | 42.1 | 42.1 | 47.3 | 51.7 | 54.4 | 53.2 | 52.7 | 46.6 | 41.7 | 34.0 | 46.7 |
| Year Lowest Occurred | 1976 | 1974 | 1985 | 1967 | 1965 | 1965 | 1966 | 1975 | 1970 | 1971 | 1975 | 1990 | 1975 |
| Mean Precipitation (in.) | 2.78 | 2.16 | 2.58 | 1.17 | 0.26 | 0.05 | 0.06 | 0.12 | 0.24 | 0.90 | 2.11 | 1.99 | 14.42 |
| Highest Precipitation (in.) | 7.41 | 6.63 | 9.44 | 3.90 | 2.38 | 0.56 | 0.75 | 1.96 | 1.04 | 4.59 | 6.18 | 5.00 | 32.57 |
| Year Highest Occurred | 1983 | 1969 | 1982 | 1983 | 1990 | 1964 | 1980 | 1968 | 1982 | 1962 | 1970 | 1964 | 1983 |
| Lowest Precipitation (in.) | 0.17 | 0.14 | 0.06 | 0.03 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.15 | 0.04 | 7.23 |
| Year Lowest Occurred | 1984 | 1967 | 1988 | 1977 | 1987 | 1990 | 1989 | 1990 | 1988 | 1978 | 1980 | 1989 | 1976 |
| Heating Degree Days (F) | 484. | 330. | 300. | 215. | 110. | 36. | 9. | 0. | 19. | 91. | 300. | 493. | 2387. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 23. | 38. | 99. | 148. | 139. | 115. | 32. | 0. | 0. | 594. |