| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 66.0 | 69.8 | 74.6 | 82.6 | 91.2 | 101.2 | 103.6 | 102.3 | 97.6 | 87.2 | 74.3 | 66.3 | 84.7 |
| Highest Mean Max. Temperature (F) | 73.3 | 75.9 | 86.8 | 91.7 | 97.2 | 105.1 | 106.0 | 106.0 | 102.6 | 94.1 | 83.5 | 73.8 | 106.0 |
| Year Highest Occurred | 1986 | 1991 | 1972 | 1989 | 1997 | 1994 | 1989 | 1995 | 1979 | 1999 | 1999 | 1980 | 1989 |
| Lowest Mean Max. Temperature (F) | 58.3 | 62.9 | 64.1 | 73.7 | 85.1 | 96.7 | 99.9 | 99.2 | 91.7 | 79.7 | 67.4 | 60.9 | 58.3 |
| Year Lowest Occurred | 1979 | 1998 | 1973 | 1975 | 1979 | 1991 | 1984 | 1990 | 1985 | 1971 | 1972 | 1971 | 1979 |
| Mean Temperature (F) | 51.8 | 54.8 | 59.2 | 65.9 | 74.4 | 83.9 | 88.8 | 87.5 | 82.2 | 70.9 | 58.2 | 51.7 | 69.1 |
| Highest Mean Temperature (F) | 56.2 | 60.0 | 66.8 | 74.0 | 80.9 | 88.5 | 91.3 | 90.9 | 86.8 | 75.3 | 64.1 | 59.2 | 91.3 |
| Year Highest Occurred | 1981 | 1995 | 1972 | 1989 | 1997 | 1981 | 1980 | 1998 | 1979 | 1977 | 1999 | 1980 | 1980 |
| Lowest Mean Temperature (F) | 47.4 | 50.4 | 52.8 | 58.5 | 70.1 | 79.4 | 84.6 | 84.6 | 75.0 | 64.2 | 54.1 | 45.9 | 45.9 |
| Year Lowest Occurred | 1979 | 1975 | 1973 | 1975 | 1971 | 1998 | 1986 | 1988 | 1986 | 1971 | 2000 | 1987 | 1987 |
| Mean Min. Temperature (F) | 37.6 | 39.7 | 43.8 | 49.2 | 57.6 | 66.5 | 73.9 | 72.7 | 66.8 | 54.5 | 42.0 | 37.0 | 53.4 |
| Highest Mean Min. Temperature (F) | 43.7 | 45.0 | 51.1 | 56.3 | 64.6 | 73.4 | 77.2 | 77.1 | 72.2 | 60.9 | 46.0 | 44.5 | 77.2 |
| Year Highest Occurred | 1980 | 1980 | 1999 | 1989 | 1997 | 1981 | 1977 | 1998 | 1983 | 1977 | 1995 | 1980 | 1977 |
| Lowest Mean Min. Temperature (F) | 30.6 | 33.2 | 37.6 | 43.3 | 51.7 | 61.8 | 66.4 | 67.8 | 57.4 | 47.1 | 36.9 | 30.2 | 30.2 |
| Year Lowest Occurred | 1990 | 1974 | 1988 | 1975 | 1991 | 1998 | 1987 | 1987 | 1986 | 1973 | 1992 | 1987 | 1987 |
| Mean Precipitation (in.) | 1.68 | 1.58 | 1.89 | 0.48 | 0.30 | 0.15 | 1.08 | 1.57 | 1.14 | 1.25 | 1.23 | 1.35 | 13.70 |
| Highest Precipitation (in.) | 7.78 | 6.33 | 5.46 | 2.27 | 2.00 | 1.49 | 4.24 | 4.91 | 3.82 | 6.69 | 5.45 | 5.30 | 7.78 |
| Year Highest Occurred | 1993 | 1998 | 1991 | 1988 | 1992 | 1972 | 1984 | 1992 | 1983 | 1972 | 1993 | 1992 | 1993 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.21 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1972 | 1984 | 1997 | 2000 | 2000 | 1999 | 2000 | 1973 | 2000 | 1999 | 1999 | 2000 | 1972 |
| Heating Degree Days (F) | 410. | 291. | 224. | 98. | 13. | 0. | 0. | 0. | 0. | 31. | 226. | 416. | 1709. |
| Cooling Degree Days (F) | 0. | 3. | 43. | 125. | 305. | 565. | 735. | 697. | 516. | 212. | 22. | 2. | 3225. |