| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 48.5 | 56.5 | 66.5 | 76.4 | 86.8 | 98.8 | 103.0 | 99.9 | 91.1 | 76.6 | 59.9 | 48.4 | 76.0 |
| Highest Mean Max. Temperature (F) | 56.5 | 64.6 | 75.6 | 85.9 | 94.1 | 105.4 | 106.2 | 103.3 | 95.7 | 85.0 | 67.0 | 58.0 | 106.2 |
| Year Highest Occurred | 1999 | 1995 | 1989 | 1989 | 2000 | 1994 | 2000 | 1994 | 1979 | 1988 | 1995 | 1980 | 2000 |
| Lowest Mean Max. Temperature (F) | 37.6 | 46.7 | 58.2 | 69.1 | 80.7 | 92.7 | 98.6 | 95.4 | 85.2 | 67.5 | 53.9 | 38.1 | 37.6 |
| Year Lowest Occurred | 1973 | 1979 | 1973 | 1975 | 1995 | 1993 | 1992 | 1993 | 1985 | 1972 | 1992 | 1992 | 1973 |
| Mean Temperature (F) | 37.8 | 44.2 | 52.6 | 61.5 | 71.3 | 82.0 | 87.3 | 84.9 | 76.2 | 62.4 | 47.9 | 37.8 | 62.2 |
| Highest Mean Temperature (F) | 43.7 | 50.6 | 59.0 | 69.1 | 76.1 | 88.2 | 90.5 | 88.7 | 79.5 | 68.5 | 53.0 | 45.3 | 90.5 |
| Year Highest Occurred | 1981 | 1986 | 1989 | 1989 | 2000 | 1994 | 1996 | 2000 | 1984 | 1988 | 1995 | 1980 | 1996 |
| Lowest Mean Temperature (F) | 30.4 | 37.1 | 46.0 | 54.1 | 65.8 | 78.1 | 84.4 | 81.6 | 71.4 | 57.4 | 44.0 | 30.8 | 30.4 |
| Year Lowest Occurred | 1973 | 1979 | 1984 | 1975 | 1975 | 1993 | 1992 | 1975 | 1985 | 1982 | 2000 | 1990 | 1973 |
| Mean Min. Temperature (F) | 27.1 | 31.8 | 38.6 | 46.6 | 55.8 | 65.2 | 71.6 | 69.8 | 61.3 | 48.2 | 35.8 | 27.2 | 48.3 |
| Highest Mean Min. Temperature (F) | 31.9 | 38.0 | 44.0 | 52.2 | 59.3 | 70.9 | 75.2 | 74.9 | 66.2 | 51.9 | 41.4 | 32.6 | 75.2 |
| Year Highest Occurred | 1978 | 1986 | 1986 | 1989 | 1997 | 1994 | 1996 | 2000 | 1997 | 1983 | 1983 | 1980 | 1996 |
| Lowest Mean Min. Temperature (F) | 21.7 | 25.3 | 32.0 | 39.0 | 49.2 | 59.9 | 69.1 | 64.4 | 57.6 | 43.4 | 31.3 | 19.4 | 19.4 |
| Year Lowest Occurred | 1971 | 1974 | 1977 | 1975 | 1975 | 1980 | 1975 | 1975 | 1985 | 1982 | 1975 | 1976 | 1976 |
| Mean Precipitation (in.) | 0.54 | 0.45 | 0.65 | 0.44 | 0.34 | 0.13 | 0.93 | 0.90 | 0.50 | 0.80 | 0.50 | 0.37 | 6.55 |
| Highest Precipitation (in.) | 2.55 | 1.57 | 2.70 | 2.33 | 1.40 | 2.00 | 2.89 | 2.26 | 1.55 | 3.86 | 2.79 | 1.13 | 3.86 |
| Year Highest Occurred | 1993 | 1980 | 2000 | 1988 | 1992 | 1972 | 1973 | 1982 | 1980 | 2000 | 1978 | 1991 | 2000 |
| 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 | 0.00 | 0.00 |
| Year Lowest Occurred | 1976 | 1990 | 1984 | 2000 | 2000 | 1995 | 1993 | 1976 | 1979 | 1999 | 1999 | 1989 | 1976 |
| Heating Degree Days (F) | 843. | 583. | 398. | 166. | 25. | 0. | 0. | 0. | 2. | 146. | 515. | 844. | 3522. |
| Cooling Degree Days (F) | 0. | 0. | 11. | 61. | 220. | 510. | 692. | 616. | 338. | 66. | 0. | 0. | 2514. |