| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 45.7 | 50.7 | 54.9 | 59.1 | 65.4 | 72.1 | 78.6 | 79.2 | 73.8 | 63.3 | 52.3 | 45.8 | 61.7 |
| Highest Mean Max. Temperature (F) | 50.9 | 57.2 | 60.2 | 64.8 | 69.5 | 77.2 | 84.5 | 87.3 | 82.9 | 70.8 | 55.5 | 51.0 | 63.8 |
| Year Highest Occurred | 1986 | 1963 | 1986 | 1989 | 1987 | 1961 | 1985 | 1967 | 1974 | 1987 | 1976 | 1979 | 1987 |
| Lowest Mean Max. Temperature (F) | 37.7 | 43.1 | 50.6 | 54.6 | 58.5 | 66.5 | 72.6 | 73.8 | 68.6 | 57.2 | 43.7 | 39.8 | 59.8 |
| Year Lowest Occurred | 1979 | 1989 | 1971 | 1975 | 1962 | 1971 | 1963 | 1975 | 1986 | 1984 | 1985 | 1990 | 1964 |
| Mean Temperature (F) | 39.3 | 43.0 | 46.2 | 49.6 | 55.2 | 61.2 | 66.0 | 66.6 | 61.9 | 53.4 | 45.3 | 39.6 | 52.3 |
| Highest Mean Temperature (F) | 44.0 | 48.7 | 51.5 | 55.0 | 58.9 | 65.5 | 70.2 | 72.0 | 67.2 | 57.9 | 48.0 | 44.8 | 54.2 |
| Year Highest Occurred | 1967 | 1963 | 1986 | 1989 | 1987 | 1986 | 1985 | 1967 | 1974 | 1987 | 1987 | 1966 | 1987 |
| Lowest Mean Temperature (F) | 30.5 | 36.0 | 42.4 | 45.8 | 51.4 | 57.0 | 61.8 | 63.0 | 58.1 | 49.9 | 37.6 | 33.4 | 50.5 |
| Year Lowest Occurred | 1979 | 1989 | 1971 | 1967 | 1962 | 1971 | 1963 | 1975 | 1970 | 1971 | 1985 | 1985 | 1985 |
| Mean Min. Temperature (F) | 32.8 | 35.2 | 37.4 | 40.1 | 44.9 | 50.3 | 53.4 | 53.9 | 49.9 | 43.4 | 38.2 | 33.4 | 42.7 |
| Highest Mean Min. Temperature (F) | 38.4 | 40.1 | 42.8 | 45.1 | 48.2 | 54.3 | 56.7 | 57.5 | 54.8 | 48.7 | 42.3 | 39.4 | 44.8 |
| Year Highest Occurred | 1967 | 1963 | 1986 | 1989 | 1987 | 1986 | 1990 | 1977 | 1990 | 1988 | 1988 | 1966 | 1986 |
| Lowest Mean Min. Temperature (F) | 23.2 | 28.8 | 34.1 | 36.0 | 41.8 | 47.0 | 50.9 | 49.4 | 46.2 | 39.9 | 31.5 | 26.6 | 40.8 |
| Year Lowest Occurred | 1979 | 1989 | 1976 | 1982 | 1964 | 1965 | 1962 | 1973 | 1965 | 1971 | 1985 | 1985 | 1985 |
| Mean Precipitation (in.) | 6.54 | 5.45 | 5.29 | 3.47 | 2.85 | 1.84 | 0.83 | 1.17 | 2.13 | 3.55 | 6.87 | 7.51 | 47.50 |
| Highest Precipitation (in.) | 12.23 | 17.43 | 13.24 | 6.15 | 6.27 | 5.75 | 4.03 | 4.65 | 4.53 | 7.88 | 15.93 | 14.78 | 79.27 |
| Year Highest Occurred | 1970 | 1961 | 1961 | 1962 | 1962 | 1984 | 1983 | 1968 | 1971 | 1990 | 1973 | 1964 | 1961 |
| Lowest Precipitation (in.) | 0.66 | 0.95 | 0.52 | 1.16 | 0.66 | 0.32 | 0.00 | 0.00 | 0.00 | 0.20 | 1.93 | 1.74 | 34.14 |
| Year Lowest Occurred | 1985 | 1964 | 1965 | 1977 | 1964 | 1986 | 1967 | 1967 | 1975 | 1987 | 1976 | 1976 | 1976 |
| Heating Degree Days (F) | 797. | 616. | 583. | 462. | 304. | 140. | 47. | 57. | 130. | 360. | 591. | 787. | 4874. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 26. | 78. | 107. | 37. | 0. | 0. | 0. | 248. |