| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 33.2 | 38.5 | 45.8 | 54.2 | 63.8 | 76.3 | 83.2 | 81.4 | 72.0 | 59.1 | 44.3 | 35.1 | 57.2 |
| Highest Mean Max. Temperature (F) | 43.6 | 47.7 | 54.8 | 61.9 | 70.4 | 81.8 | 87.2 | 84.3 | 75.0 | 66.3 | 55.0 | 45.1 | 87.2 |
| Year Highest Occurred | 1981 | 1995 | 1972 | 1992 | 1974 | 1977 | 1994 | 1994 | 1983 | 1988 | 1999 | 1980 | 1994 |
| Lowest Mean Max. Temperature (F) | 20.7 | 31.2 | 39.6 | 46.8 | 54.9 | 69.9 | 78.9 | 78.1 | 66.1 | 50.5 | 35.8 | 26.9 | 20.7 |
| Year Lowest Occurred | 1979 | 1985 | 1980 | 1975 | 1971 | 1975 | 1983 | 1979 | 1986 | 1984 | 2000 | 1978 | 1979 |
| Mean Temperature (F) | 23.5 | 28.2 | 34.3 | 42.2 | 51.3 | 62.1 | 69.0 | 67.6 | 58.9 | 47.2 | 33.9 | 25.3 | 45.3 |
| Highest Mean Temperature (F) | 33.0 | 36.1 | 39.5 | 48.9 | 55.7 | 67.3 | 72.5 | 71.4 | 62.6 | 52.7 | 40.9 | 35.5 | 72.5 |
| Year Highest Occurred | 1981 | 1995 | 1972 | 1992 | 2000 | 1977 | 1994 | 2000 | 1990 | 1988 | 1999 | 1980 | 1994 |
| Lowest Mean Temperature (F) | 13.4 | 20.9 | 28.9 | 35.7 | 45.5 | 56.6 | 65.2 | 64.7 | 53.7 | 39.3 | 26.6 | 18.0 | 13.4 |
| Year Lowest Occurred | 1979 | 1985 | 1980 | 1975 | 1971 | 1975 | 1993 | 1979 | 1985 | 1984 | 1979 | 1990 | 1979 |
| Mean Min. Temperature (F) | 13.7 | 17.9 | 22.7 | 30.1 | 38.7 | 47.8 | 54.8 | 53.7 | 45.7 | 35.3 | 23.5 | 15.5 | 33.3 |
| Highest Mean Min. Temperature (F) | 22.4 | 24.6 | 26.9 | 35.8 | 42.9 | 52.9 | 59.0 | 58.9 | 51.2 | 39.6 | 28.3 | 26.0 | 59.0 |
| Year Highest Occurred | 1981 | 2000 | 1978 | 1992 | 2000 | 1977 | 1999 | 2000 | 1998 | 1987 | 1981 | 1980 | 1999 |
| Lowest Mean Min. Temperature (F) | 6.1 | 8.9 | 17.2 | 24.7 | 33.7 | 43.1 | 50.4 | 50.7 | 40.2 | 28.1 | 16.8 | 7.4 | 6.1 |
| Year Lowest Occurred | 1979 | 1979 | 1976 | 1975 | 1975 | 1976 | 1993 | 1980 | 1971 | 1984 | 1979 | 1990 | 1979 |
| Mean Precipitation (in.) | 0.76 | 0.80 | 1.13 | 1.08 | 1.32 | 0.81 | 1.30 | 1.48 | 1.52 | 1.49 | 0.86 | 0.65 | 13.20 |
| Highest Precipitation (in.) | 2.07 | 4.41 | 2.90 | 3.08 | 3.57 | 2.87 | 3.07 | 3.25 | 4.55 | 4.31 | 3.95 | 1.93 | 4.55 |
| Year Highest Occurred | 1978 | 1980 | 1979 | 1988 | 1995 | 1998 | 1983 | 1987 | 1982 | 1972 | 1978 | 1983 | 1982 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 | 0.03 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1972 | 1972 | 1972 | 1982 | 1974 | 1980 | 1979 | 1985 | 1979 | 1976 | 1976 | 1976 | 1972 |
| Heating Degree Days (F) | 1287. | 1030. | 952. | 686. | 429. | 142. | 19. | 25. | 198. | 551. | 934. | 1231. | 7484. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 2. | 53. | 143. | 104. | 13. | 0. | 0. | 0. | 315. |