| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 54.2 | 58.5 | 66.3 | 75.0 | 82.4 | 89.8 | 90.9 | 89.2 | 82.4 | 74.9 | 63.9 | 54.9 | 73.5 |
| Highest Mean Max. Temperature (F) | 63.2 | 67.8 | 75.6 | 80.2 | 89.5 | 98.5 | 97.5 | 94.0 | 88.8 | 81.6 | 71.3 | 62.0 | 75.3 |
| Year Highest Occurred | 1969 | 1976 | 1989 | 1972 | 1974 | 1990 | 1980 | 1969 | 1977 | 1968 | 1988 | 1970 | 1967 |
| Lowest Mean Max. Temperature (F) | 45.7 | 50.1 | 57.7 | 64.1 | 78.8 | 83.7 | 83.3 | 83.1 | 73.1 | 65.7 | 54.7 | 43.5 | 70.7 |
| Year Lowest Occurred | 1979 | 1978 | 1969 | 1983 | 1982 | 1986 | 1976 | 1971 | 1974 | 1984 | 1972 | 1983 | 1984 |
| Mean Temperature (F) | 36.8 | 40.5 | 47.1 | 56.5 | 64.9 | 72.9 | 75.6 | 74.1 | 67.2 | 57.3 | 46.2 | 37.9 | 56.4 |
| Highest Mean Temperature (F) | 44.0 | 48.0 | 55.5 | 60.6 | 69.8 | 80.8 | 81.2 | 77.3 | 71.5 | 61.6 | 52.3 | 42.7 | 58.5 |
| Year Highest Occurred | 1969 | 1976 | 1974 | 1981 | 1974 | 1990 | 1980 | 1977 | 1977 | 1987 | 1965 | 1970 | 1990 |
| Lowest Mean Temperature (F) | 31.4 | 33.5 | 39.1 | 47.4 | 60.9 | 69.6 | 71.4 | 69.4 | 59.9 | 51.8 | 38.2 | 28.8 | 53.8 |
| Year Lowest Occurred | 1963 | 1964 | 1969 | 1983 | 1983 | 1973 | 1976 | 1971 | 1974 | 1976 | 1972 | 1983 | 1973 |
| Mean Min. Temperature (F) | 19.2 | 22.6 | 27.8 | 38.0 | 47.2 | 56.0 | 60.4 | 58.9 | 52.0 | 39.6 | 28.5 | 20.8 | 39.3 |
| Highest Mean Min. Temperature (F) | 25.4 | 28.4 | 35.7 | 43.9 | 52.2 | 63.1 | 64.8 | 62.2 | 58.0 | 45.6 | 35.4 | 25.9 | 42.6 |
| Year Highest Occurred | 1968 | 1987 | 1974 | 1981 | 1989 | 1990 | 1980 | 1989 | 1990 | 1983 | 1978 | 1965 | 1990 |
| Lowest Mean Min. Temperature (F) | 10.5 | 16.5 | 20.4 | 29.0 | 41.4 | 48.0 | 54.1 | 51.2 | 46.2 | 32.4 | 20.2 | 14.1 | 34.1 |
| Year Lowest Occurred | 1963 | 1964 | 1969 | 1973 | 1973 | 1973 | 1973 | 1973 | 1968 | 1976 | 1976 | 1983 | 1973 |
| Mean Precipitation (in.) | 0.35 | 0.51 | 0.54 | 0.62 | 1.95 | 2.44 | 2.55 | 2.83 | 2.58 | 1.45 | 0.64 | 0.45 | 16.91 |
| Highest Precipitation (in.) | 1.71 | 1.90 | 2.03 | 2.56 | 5.98 | 6.20 | 6.84 | 9.62 | 7.10 | 9.67 | 1.99 | 2.28 | 26.76 |
| Year Highest Occurred | 1968 | 1973 | 1973 | 1966 | 1984 | 1978 | 1968 | 1974 | 1974 | 1981 | 1978 | 1986 | 1981 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.12 | 0.31 | 0.00 | 0.00 | 0.00 | 0.00 | 7.16 |
| Year Lowest Occurred | 1988 | 1984 | 1988 | 1989 | 1989 | 1990 | 1964 | 1975 | 1968 | 1989 | 1989 | 1990 | 1964 |
| Heating Degree Days (F) | 874. | 686. | 555. | 272. | 69. | 7. | 0. | 0. | 47. | 251. | 564. | 840. | 4165. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 17. | 66. | 244. | 329. | 286. | 113. | 12. | 0. | 0. | 1067. |