| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 47.6 | 51.6 | 57.9 | 66.4 | 75.3 | 85.1 | 86.2 | 83.2 | 78.3 | 69.5 | 57.6 | 49.5 | 67.4 |
| Highest Mean Max. Temperature (F) | 56.9 | 57.6 | 65.6 | 73.5 | 81.7 | 90.6 | 90.3 | 89.9 | 82.1 | 76.3 | 66.1 | 58.1 | 70.3 |
| Year Highest Occurred | 1986 | 1967 | 1967 | 1962 | 1966 | 1961 | 1963 | 1962 | 1989 | 1965 | 1966 | 1980 | 1963 |
| Lowest Mean Max. Temperature (F) | 41.8 | 44.6 | 50.2 | 55.6 | 71.2 | 81.0 | 79.9 | 79.5 | 73.4 | 59.8 | 49.4 | 42.5 | 64.7 |
| Year Lowest Occurred | 1973 | 1964 | 1973 | 1983 | 1983 | 1972 | 1990 | 1990 | 1975 | 1984 | 1972 | 1967 | 1983 |
| Mean Temperature (F) | 30.2 | 34.0 | 39.3 | 45.9 | 54.0 | 62.9 | 68.3 | 66.0 | 59.9 | 49.7 | 38.9 | 31.5 | 48.4 |
| Highest Mean Temperature (F) | 36.3 | 39.8 | 43.6 | 50.7 | 58.3 | 66.8 | 70.9 | 69.3 | 63.5 | 54.7 | 43.9 | 37.8 | 50.2 |
| Year Highest Occurred | 1986 | 1968 | 1967 | 1962 | 1966 | 1961 | 1971 | 1969 | 1963 | 1963 | 1962 | 1980 | 1962 |
| Lowest Mean Temperature (F) | 25.9 | 25.7 | 34.4 | 39.0 | 51.1 | 59.2 | 64.2 | 63.0 | 56.8 | 44.4 | 34.7 | 26.3 | 46.4 |
| Year Lowest Occurred | 1988 | 1964 | 1987 | 1983 | 1983 | 1983 | 1987 | 1987 | 1987 | 1984 | 1972 | 1968 | 1987 |
| Mean Min. Temperature (F) | 12.7 | 16.4 | 20.6 | 25.3 | 32.6 | 40.6 | 50.4 | 48.7 | 41.5 | 29.8 | 20.1 | 13.5 | 29.4 |
| Highest Mean Min. Temperature (F) | 21.9 | 23.3 | 27.1 | 30.9 | 36.2 | 45.2 | 53.1 | 52.7 | 46.0 | 38.0 | 26.7 | 22.2 | 31.9 |
| Year Highest Occurred | 1980 | 1968 | 1978 | 1990 | 1979 | 1990 | 1967 | 1982 | 1982 | 1972 | 1978 | 1983 | 1978 |
| Lowest Mean Min. Temperature (F) | 4.3 | 6.8 | 15.2 | 20.9 | 28.0 | 36.7 | 41.6 | 44.2 | 36.1 | 24.5 | 14.9 | 6.0 | 26.7 |
| Year Lowest Occurred | 1964 | 1964 | 1988 | 1965 | 1972 | 1983 | 1987 | 1985 | 1987 | 1980 | 1989 | 1968 | 1987 |
| Mean Precipitation (in.) | 0.48 | 0.58 | 0.63 | 0.37 | 0.43 | 0.41 | 2.13 | 2.55 | 1.43 | 1.05 | 0.59 | 0.64 | 11.29 |
| Highest Precipitation (in.) | 1.53 | 1.71 | 1.67 | 1.77 | 2.03 | 1.54 | 5.92 | 6.61 | 4.20 | 3.49 | 1.32 | 1.86 | 15.51 |
| Year Highest Occurred | 1983 | 1978 | 1978 | 1988 | 1979 | 1967 | 1965 | 1971 | 1975 | 1972 | 1986 | 1990 | 1983 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.56 | 0.02 | 0.01 | 0.00 | 0.00 | 0.00 | 6.61 |
| Year Lowest Occurred | 1986 | 1990 | 1989 | 1989 | 1988 | 1990 | 1979 | 1962 | 1968 | 1982 | 1989 | 1976 | 1988 |
| Heating Degree Days (F) | 1079. | 868. | 797. | 573. | 341. | 94. | 16. | 37. | 160. | 474. | 783. | 1039. | 6261. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 31. | 118. | 68. | 7. | 0. | 0. | 0. | 224. |