| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 34.6 | 40.6 | 47.0 | 55.2 | 63.8 | 71.7 | 80.9 | 81.7 | 71.9 | 59.6 | 43.7 | 35.6 | 57.2 |
| Highest Mean Max. Temperature (F) | 42.5 | 45.9 | 53.0 | 64.4 | 69.5 | 78.5 | 89.6 | 90.4 | 82.9 | 68.9 | 49.8 | 41.5 | 60.3 |
| Year Highest Occurred | 1983 | 1963 | 1986 | 1987 | 1966 | 1961 | 1985 | 1967 | 1990 | 1988 | 1981 | 1980 | 1987 |
| Lowest Mean Max. Temperature (F) | 21.7 | 29.7 | 41.5 | 48.4 | 57.1 | 64.6 | 75.3 | 75.5 | 64.6 | 54.6 | 30.5 | 25.9 | 54.5 |
| Year Lowest Occurred | 1979 | 1989 | 1976 | 1975 | 1962 | 1981 | 1983 | 1964 | 1985 | 1969 | 1985 | 1985 | 1985 |
| Mean Temperature (F) | 28.6 | 34.0 | 39.0 | 45.2 | 52.4 | 59.3 | 65.3 | 65.9 | 58.0 | 48.3 | 37.1 | 29.8 | 46.9 |
| Highest Mean Temperature (F) | 36.6 | 39.3 | 44.8 | 51.8 | 56.6 | 64.0 | 70.7 | 71.0 | 65.3 | 55.6 | 42.5 | 35.7 | 49.0 |
| Year Highest Occurred | 1983 | 1968 | 1986 | 1987 | 1987 | 1961 | 1985 | 1967 | 1963 | 1988 | 1981 | 1973 | 1987 |
| Lowest Mean Temperature (F) | 14.4 | 23.4 | 33.6 | 39.8 | 48.0 | 54.7 | 61.6 | 60.2 | 52.6 | 44.8 | 24.2 | 19.2 | 43.7 |
| Year Lowest Occurred | 1979 | 1989 | 1976 | 1975 | 1962 | 1976 | 1986 | 1980 | 1985 | 1984 | 1985 | 1985 | 1985 |
| Mean Min. Temperature (F) | 22.6 | 27.4 | 30.8 | 35.2 | 40.9 | 46.7 | 49.6 | 50.0 | 44.2 | 37.0 | 30.5 | 24.0 | 36.6 |
| Highest Mean Min. Temperature (F) | 31.2 | 32.9 | 36.6 | 39.6 | 44.8 | 50.7 | 54.5 | 53.5 | 50.9 | 42.2 | 35.2 | 31.4 | 37.8 |
| Year Highest Occurred | 1981 | 1983 | 1986 | 1980 | 1972 | 1970 | 1975 | 1977 | 1963 | 1988 | 1981 | 1973 | 1986 |
| Lowest Mean Min. Temperature (F) | 7.1 | 17.0 | 25.6 | 31.1 | 38.6 | 43.0 | 46.3 | 44.3 | 39.7 | 33.4 | 17.8 | 12.4 | 32.8 |
| Year Lowest Occurred | 1979 | 1989 | 1976 | 1975 | 1977 | 1962 | 1981 | 1980 | 1961 | 1978 | 1985 | 1985 | 1985 |
| Mean Precipitation (in.) | 2.73 | 2.15 | 2.10 | 1.56 | 1.56 | 1.43 | 0.73 | 0.91 | 1.00 | 1.42 | 2.67 | 2.83 | 21.09 |
| Highest Precipitation (in.) | 6.23 | 6.10 | 3.70 | 2.81 | 3.14 | 3.48 | 1.74 | 3.81 | 2.84 | 3.32 | 5.67 | 6.20 | 28.05 |
| Year Highest Occurred | 1970 | 1961 | 1971 | 1990 | 1980 | 1971 | 1983 | 1989 | 1968 | 1962 | 1973 | 1964 | 1971 |
| Lowest Precipitation (in.) | 0.40 | 0.45 | 0.90 | 0.19 | 0.45 | 0.21 | 0.00 | 0.02 | 0.00 | 0.00 | 0.52 | 0.62 | 14.88 |
| Year Lowest Occurred | 1977 | 1977 | 1990 | 1973 | 1963 | 1986 | 1969 | 1967 | 1987 | 1987 | 1976 | 1985 | 1965 |
| Heating Degree Days (F) | 1128. | 868. | 806. | 594. | 391. | 192. | 67. | 82. | 241. | 518. | 837. | 1091. | 6815. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 21. | 76. | 110. | 31. | 0. | 0. | 0. | 238. |