| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 36.9 | 42.8 | 49.8 | 59.2 | 68.1 | 77.7 | 86.5 | 84.6 | 74.3 | 62.9 | 47.8 | 38.3 | 60.7 |
| Highest Mean Max. Temperature (F) | 43.9 | 51.0 | 58.6 | 71.1 | 76.0 | 84.9 | 91.2 | 91.0 | 82.8 | 73.1 | 54.1 | 48.2 | 63.4 |
| Year Highest Occurred | 1986 | 1963 | 1986 | 1987 | 1966 | 1986 | 1989 | 1967 | 1990 | 1988 | 1976 | 1980 | 1987 |
| Lowest Mean Max. Temperature (F) | 26.1 | 32.1 | 41.7 | 48.2 | 60.3 | 70.0 | 81.1 | 76.8 | 64.6 | 55.6 | 37.2 | 27.1 | 57.1 |
| Year Lowest Occurred | 1979 | 1989 | 1964 | 1975 | 1977 | 1963 | 1986 | 1968 | 1961 | 1969 | 1985 | 1985 | 1985 |
| Mean Temperature (F) | 27.9 | 33.1 | 38.5 | 45.8 | 53.6 | 62.5 | 70.4 | 69.0 | 59.4 | 49.1 | 37.6 | 28.9 | 48.0 |
| Highest Mean Temperature (F) | 35.5 | 40.0 | 46.1 | 54.3 | 58.5 | 68.3 | 75.0 | 73.8 | 66.8 | 57.2 | 42.7 | 35.9 | 49.9 |
| Year Highest Occurred | 1986 | 1963 | 1986 | 1987 | 1966 | 1988 | 1985 | 1967 | 1990 | 1988 | 1965 | 1980 | 1986 |
| Lowest Mean Temperature (F) | 16.4 | 23.6 | 32.2 | 38.4 | 48.8 | 56.6 | 66.7 | 63.6 | 51.2 | 43.6 | 28.0 | 17.3 | 45.4 |
| Year Lowest Occurred | 1979 | 1989 | 1964 | 1975 | 1977 | 1963 | 1986 | 1968 | 1961 | 1969 | 1985 | 1985 | 1985 |
| Mean Min. Temperature (F) | 18.8 | 23.4 | 27.2 | 32.3 | 39.2 | 47.3 | 54.3 | 53.3 | 44.4 | 35.1 | 27.4 | 19.5 | 35.2 |
| Highest Mean Min. Temperature (F) | 27.8 | 30.0 | 34.2 | 38.1 | 44.5 | 53.6 | 60.9 | 57.6 | 50.7 | 41.3 | 31.7 | 26.8 | 37.1 |
| Year Highest Occurred | 1978 | 1986 | 1978 | 1985 | 1985 | 1977 | 1985 | 1984 | 1990 | 1988 | 1965 | 1975 | 1986 |
| Lowest Mean Min. Temperature (F) | 6.6 | 15.0 | 20.4 | 27.4 | 36.2 | 42.9 | 49.4 | 49.7 | 37.8 | 31.4 | 18.8 | 7.3 | 33.6 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1970 | 1975 | 1976 | 1963 | 1980 | 1961 | 1966 | 1985 | 1990 | 1985 |
| Mean Precipitation (in.) | 0.80 | 0.62 | 0.84 | 0.94 | 1.40 | 1.23 | 0.56 | 0.71 | 0.78 | 0.77 | 1.02 | 0.86 | 10.53 |
| Highest Precipitation (in.) | 2.29 | 2.34 | 2.30 | 3.01 | 4.14 | 4.19 | 1.59 | 2.97 | 2.91 | 1.87 | 2.90 | 4.18 | 17.68 |
| Year Highest Occurred | 1970 | 1986 | 1989 | 1965 | 1980 | 1963 | 1977 | 1968 | 1978 | 1982 | 1988 | 1964 | 1963 |
| Lowest Precipitation (in.) | 0.11 | 0.03 | 0.05 | 0.11 | 0.14 | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.18 | 0.00 | 6.17 |
| Year Lowest Occurred | 1977 | 1990 | 1977 | 1977 | 1976 | 1974 | 1990 | 1988 | 1987 | 1988 | 1974 | 1986 | 1974 |
| Heating Degree Days (F) | 1150. | 893. | 822. | 576. | 353. | 138. | 14. | 41. | 218. | 493. | 822. | 1119. | 6639. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 63. | 181. | 165. | 50. | 0. | 0. | 0. | 459. |