| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 63.8 | 65.7 | 67.7 | 72.9 | 78.5 | 86.5 | 94.3 | 94.6 | 89.9 | 81.8 | 71.1 | 64.3 | 77.6 |
| Highest Mean Max. Temperature (F) | 72.1 | 73.1 | 77.9 | 83.3 | 88.1 | 94.4 | 98.1 | 98.8 | 97.7 | 86.7 | 78.5 | 73.0 | 80.6 |
| Year Highest Occurred | 1986 | 1977 | 1972 | 1989 | 1984 | 1981 | 1985 | 1986 | 1979 | 1990 | 1989 | 1980 | 1989 |
| Lowest Mean Max. Temperature (F) | 57.0 | 57.6 | 60.2 | 59.3 | 70.0 | 75.2 | 87.5 | 89.5 | 81.4 | 76.2 | 64.1 | 56.0 | 74.8 |
| Year Lowest Occurred | 1979 | 1969 | 1973 | 1967 | 1977 | 1965 | 1987 | 1976 | 1986 | 1972 | 1964 | 1971 | 1965 |
| Mean Temperature (F) | 49.5 | 51.2 | 52.7 | 56.8 | 62.0 | 68.2 | 74.6 | 74.9 | 70.7 | 63.8 | 55.3 | 49.7 | 60.8 |
| Highest Mean Temperature (F) | 55.2 | 58.2 | 59.5 | 63.6 | 68.0 | 73.8 | 78.7 | 79.2 | 77.2 | 69.4 | 59.7 | 54.8 | 62.3 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1989 | 1984 | 1981 | 1984 | 1967 | 1984 | 1964 | 1976 | 1977 | 1984 |
| Lowest Mean Temperature (F) | 44.9 | 45.8 | 47.6 | 47.7 | 56.7 | 62.4 | 68.3 | 70.4 | 63.7 | 59.1 | 51.5 | 44.2 | 59.2 |
| Year Lowest Occurred | 1979 | 1969 | 1973 | 1967 | 1977 | 1965 | 1987 | 1968 | 1986 | 1981 | 1984 | 1987 | 1982 |
| Mean Min. Temperature (F) | 35.2 | 36.6 | 37.6 | 40.7 | 45.5 | 50.0 | 54.7 | 55.2 | 51.6 | 45.7 | 39.4 | 35.1 | 43.9 |
| Highest Mean Min. Temperature (F) | 40.1 | 43.9 | 44.4 | 44.5 | 48.8 | 53.2 | 59.7 | 60.8 | 58.5 | 53.4 | 46.1 | 41.1 | 47.3 |
| Year Highest Occurred | 1980 | 1963 | 1978 | 1990 | 1963 | 1981 | 1984 | 1965 | 1963 | 1964 | 1965 | 1977 | 1963 |
| Lowest Mean Min. Temperature (F) | 31.6 | 33.0 | 32.3 | 36.0 | 42.6 | 46.7 | 49.0 | 49.5 | 45.9 | 41.4 | 35.6 | 29.9 | 42.1 |
| Year Lowest Occurred | 1987 | 1984 | 1977 | 1970 | 1975 | 1980 | 1987 | 1975 | 1986 | 1971 | 1973 | 1968 | 1982 |
| Mean Precipitation (in.) | 2.54 | 2.92 | 2.63 | 1.02 | 0.24 | 0.03 | 0.02 | 0.14 | 0.35 | 0.36 | 2.06 | 2.06 | 14.37 |
| Highest Precipitation (in.) | 10.86 | 11.55 | 15.85 | 6.18 | 3.45 | 0.47 | 0.15 | 2.02 | 2.99 | 2.36 | 9.76 | 6.81 | 42.92 |
| Year Highest Occurred | 1969 | 1986 | 1983 | 1965 | 1977 | 1963 | 1969 | 1977 | 1976 | 1987 | 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 | 3.23 |
| Year Lowest Occurred | 1984 | 1984 | 1972 | 1984 | 1986 | 1989 | 1990 | 1990 | 1985 | 1990 | 1980 | 1963 | 1972 |
| Heating Degree Days (F) | 481. | 386. | 385. | 272. | 126. | 45. | 0. | 0. | 26. | 104. | 296. | 474. | 2595. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 26. | 33. | 141. | 301. | 307. | 197. | 67. | 5. | 0. | 1077. |