| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 65.2 | 67.4 | 67.8 | 72.8 | 76.8 | 84.1 | 91.2 | 91.2 | 87.7 | 80.7 | 71.1 | 64.9 | 76.7 |
| Highest Mean Max. Temperature (F) | 72.9 | 74.6 | 76.7 | 78.2 | 86.1 | 93.5 | 96.5 | 96.3 | 96.6 | 87.3 | 78.1 | 72.1 | 80.0 |
| Year Highest Occurred | 1976 | 1977 | 1972 | 1989 | 1984 | 1981 | 1980 | 1981 | 1979 | 1967 | 1977 | 1980 | 1981 |
| Lowest Mean Max. Temperature (F) | 59.2 | 56.8 | 59.5 | 62.5 | 70.8 | 75.3 | 82.3 | 84.9 | 77.8 | 74.3 | 65.4 | 57.5 | 73.5 |
| Year Lowest Occurred | 1979 | 1962 | 1973 | 1967 | 1980 | 1963 | 1987 | 1989 | 1986 | 1972 | 1985 | 1971 | 1962 |
| Mean Temperature (F) | 53.6 | 55.3 | 55.7 | 59.5 | 63.3 | 69.5 | 75.8 | 76.1 | 73.4 | 67.2 | 58.8 | 53.6 | 63.5 |
| Highest Mean Temperature (F) | 60.2 | 59.7 | 60.9 | 65.1 | 69.5 | 76.8 | 79.5 | 81.1 | 81.0 | 72.0 | 63.2 | 59.5 | 66.0 |
| Year Highest Occurred | 1986 | 1968 | 1972 | 1989 | 1984 | 1981 | 1980 | 1967 | 1979 | 1964 | 1989 | 1980 | 1981 |
| Lowest Mean Temperature (F) | 47.7 | 48.5 | 48.8 | 51.6 | 58.7 | 62.8 | 68.7 | 71.9 | 66.0 | 62.8 | 54.9 | 47.1 | 60.5 |
| Year Lowest Occurred | 1963 | 1962 | 1962 | 1967 | 1977 | 1963 | 1987 | 1987 | 1986 | 1972 | 1973 | 1971 | 1962 |
| Mean Min. Temperature (F) | 42.0 | 43.1 | 43.6 | 46.2 | 49.8 | 54.8 | 60.3 | 61.0 | 59.1 | 53.5 | 46.5 | 42.2 | 50.2 |
| Highest Mean Min. Temperature (F) | 48.6 | 48.6 | 48.5 | 51.9 | 53.0 | 60.1 | 65.1 | 66.5 | 65.6 | 59.1 | 51.6 | 49.0 | 52.3 |
| Year Highest Occurred | 1986 | 1968 | 1978 | 1989 | 1987 | 1990 | 1984 | 1967 | 1984 | 1987 | 1967 | 1977 | 1989 |
| Lowest Mean Min. Temperature (F) | 36.1 | 38.1 | 37.8 | 40.7 | 45.4 | 50.2 | 55.1 | 56.7 | 52.6 | 49.2 | 42.1 | 36.6 | 47.4 |
| Year Lowest Occurred | 1963 | 1966 | 1962 | 1967 | 1977 | 1975 | 1987 | 1976 | 1973 | 1975 | 1973 | 1971 | 1962 |
| Mean Precipitation (in.) | 2.78 | 2.67 | 3.20 | 1.37 | 0.46 | 0.16 | 0.13 | 0.23 | 0.44 | 0.75 | 2.11 | 2.32 | 16.62 |
| Highest Precipitation (in.) | 8.99 | 9.71 | 10.92 | 6.77 | 2.45 | 2.20 | 1.86 | 3.09 | 4.36 | 3.94 | 7.76 | 8.64 | 34.73 |
| Year Highest Occurred | 1980 | 1980 | 1983 | 1965 | 1977 | 1972 | 1984 | 1977 | 1976 | 1974 | 1965 | 1966 | 1978 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.10 | 5.93 |
| Year Lowest Occurred | 1976 | 1967 | 1972 | 1962 | 1986 | 1989 | 1989 | 1989 | 1990 | 1988 | 1980 | 1989 | 1989 |
| Heating Degree Days (F) | 359. | 278. | 298. | 196. | 112. | 56. | 0. | 0. | 20. | 58. | 202. | 361. | 1940. |
| Cooling Degree Days (F) | 6. | 6. | 10. | 31. | 59. | 191. | 339. | 344. | 272. | 126. | 16. | 8. | 1408. |