| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 39.2 | 44.7 | 53.2 | 61.7 | 71.6 | 83.0 | 88.1 | 85.9 | 77.5 | 65.0 | 49.3 | 40.4 | 63.3 |
| Highest Mean Max. Temperature (F) | 47.3 | 53.7 | 61.8 | 71.1 | 79.5 | 89.2 | 92.3 | 90.0 | 82.1 | 71.0 | 59.0 | 49.3 | 92.3 |
| Year Highest Occurred | 1981 | 1995 | 1999 | 1992 | 2000 | 1994 | 1994 | 1994 | 1998 | 1988 | 1999 | 1980 | 1994 |
| Lowest Mean Max. Temperature (F) | 29.0 | 38.2 | 46.6 | 53.6 | 65.3 | 77.3 | 84.2 | 81.5 | 70.1 | 55.7 | 41.4 | 30.8 | 29.0 |
| Year Lowest Occurred | 1979 | 1974 | 1980 | 1983 | 1980 | 1975 | 1992 | 1979 | 1986 | 1984 | 1972 | 1978 | 1979 |
| Mean Temperature (F) | 27.3 | 32.9 | 40.2 | 47.4 | 56.2 | 66.4 | 71.8 | 70.1 | 61.8 | 50.3 | 37.3 | 28.8 | 49.2 |
| Highest Mean Temperature (F) | 35.0 | 40.6 | 45.5 | 54.2 | 61.3 | 70.7 | 74.3 | 73.0 | 66.0 | 54.6 | 42.5 | 38.1 | 74.3 |
| Year Highest Occurred | 1981 | 1995 | 1999 | 1992 | 2000 | 1977 | 1998 | 1995 | 1998 | 1988 | 1999 | 1980 | 1998 |
| Lowest Mean Temperature (F) | 19.6 | 24.7 | 36.0 | 41.9 | 52.1 | 61.9 | 68.6 | 67.2 | 57.7 | 44.9 | 30.9 | 20.4 | 19.6 |
| Year Lowest Occurred | 1979 | 1974 | 1977 | 1983 | 1983 | 1975 | 1993 | 1989 | 1986 | 1984 | 2000 | 1978 | 1979 |
| Mean Min. Temperature (F) | 15.4 | 21.0 | 27.1 | 33.0 | 40.7 | 49.8 | 55.4 | 54.3 | 46.1 | 35.6 | 25.2 | 17.2 | 35.1 |
| Highest Mean Min. Temperature (F) | 22.7 | 27.4 | 31.9 | 38.2 | 44.7 | 55.0 | 58.0 | 57.2 | 50.7 | 39.6 | 30.1 | 26.9 | 58.0 |
| Year Highest Occurred | 1981 | 1995 | 1978 | 1981 | 1984 | 1977 | 1977 | 1977 | 1981 | 1972 | 1981 | 1980 | 1977 |
| Lowest Mean Min. Temperature (F) | 7.0 | 11.1 | 22.6 | 28.0 | 36.7 | 46.5 | 49.6 | 50.0 | 40.2 | 30.7 | 18.2 | 9.0 | 7.0 |
| Year Lowest Occurred | 1992 | 1974 | 1977 | 1991 | 1993 | 1975 | 1993 | 1992 | 1993 | 1993 | 1993 | 1990 | 1992 |
| Mean Precipitation (in.) | 1.19 | 0.88 | 1.34 | 0.97 | 1.22 | 0.59 | 0.91 | 1.19 | 1.10 | 1.65 | 1.24 | 0.97 | 13.25 |
| Highest Precipitation (in.) | 3.65 | 2.50 | 3.17 | 2.79 | 3.05 | 2.46 | 2.52 | 2.29 | 4.03 | 4.92 | 2.72 | 3.26 | 4.92 |
| Year Highest Occurred | 1993 | 1980 | 1985 | 1985 | 1980 | 1984 | 1989 | 1999 | 1986 | 1972 | 1986 | 1983 | 1972 |
| Lowest Precipitation (in.) | 0.01 | 0.00 | 0.08 | 0.19 | 0.00 | 0.00 | 0.10 | 0.05 | 0.03 | 0.06 | 0.05 | 0.05 | 0.00 |
| Year Lowest Occurred | 1972 | 1972 | 1972 | 1982 | 1974 | 1971 | 1993 | 1985 | 1979 | 1988 | 1989 | 1976 | 1972 |
| Heating Degree Days (F) | 1169. | 901. | 771. | 529. | 282. | 64. | 2. | 10. | 132. | 457. | 834. | 1124. | 6275. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 8. | 106. | 212. | 168. | 35. | 0. | 0. | 0. | 529. |