| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 39.0 | 47.3 | 57.7 | 66.9 | 76.4 | 87.6 | 91.9 | 89.0 | 81.4 | 67.9 | 51.2 | 40.2 | 66.4 |
| Highest Mean Max. Temperature (F) | 48.5 | 55.7 | 67.4 | 73.6 | 84.2 | 92.8 | 96.0 | 92.1 | 87.1 | 75.0 | 58.5 | 50.3 | 96.0 |
| Year Highest Occurred | 1981 | 1995 | 1972 | 1989 | 1984 | 1974 | 1998 | 2000 | 1979 | 1999 | 1995 | 1980 | 1998 |
| Lowest Mean Max. Temperature (F) | 28.8 | 40.2 | 50.5 | 59.1 | 70.3 | 82.9 | 88.2 | 86.1 | 75.1 | 61.1 | 43.3 | 28.6 | 28.6 |
| Year Lowest Occurred | 1991 | 1974 | 1973 | 1983 | 1995 | 1995 | 1986 | 1999 | 1986 | 1984 | 2000 | 1992 | 1992 |
| Mean Temperature (F) | 31.2 | 37.6 | 46.3 | 54.1 | 64.0 | 74.6 | 79.1 | 76.4 | 69.0 | 56.4 | 41.6 | 32.4 | 55.2 |
| Highest Mean Temperature (F) | 39.0 | 46.1 | 52.7 | 61.2 | 70.3 | 80.1 | 83.0 | 79.4 | 72.8 | 62.6 | 48.2 | 41.6 | 83.0 |
| Year Highest Occurred | 1981 | 1995 | 1989 | 1989 | 2000 | 1990 | 1994 | 1994 | 1979 | 1988 | 1995 | 1980 | 1994 |
| Lowest Mean Temperature (F) | 22.3 | 30.0 | 40.9 | 47.1 | 59.5 | 70.4 | 75.3 | 73.9 | 65.4 | 49.1 | 35.5 | 22.4 | 22.3 |
| Year Lowest Occurred | 1973 | 1974 | 1973 | 1983 | 1995 | 1983 | 1992 | 1979 | 1986 | 1984 | 2000 | 1992 | 1973 |
| Mean Min. Temperature (F) | 23.3 | 27.8 | 34.8 | 41.3 | 51.6 | 61.6 | 66.2 | 63.8 | 56.6 | 44.8 | 32.0 | 24.5 | 44.0 |
| Highest Mean Min. Temperature (F) | 30.0 | 36.4 | 40.3 | 49.1 | 58.4 | 68.4 | 71.7 | 67.7 | 60.4 | 51.8 | 37.8 | 32.8 | 71.7 |
| Year Highest Occurred | 1999 | 1995 | 1989 | 1992 | 1996 | 1994 | 1996 | 1996 | 1998 | 1988 | 1995 | 1980 | 1996 |
| Lowest Mean Min. Temperature (F) | 14.6 | 19.9 | 28.6 | 35.0 | 47.3 | 56.4 | 61.7 | 60.2 | 52.3 | 37.0 | 27.6 | 15.2 | 14.6 |
| Year Lowest Occurred | 1973 | 1974 | 1977 | 1983 | 1983 | 1984 | 1992 | 1979 | 1971 | 1982 | 2000 | 1990 | 1973 |
| Mean Precipitation (in.) | 0.20 | 0.07 | 0.17 | 0.27 | 0.38 | 0.05 | 0.57 | 0.68 | 0.63 | 0.67 | 0.27 | 0.13 | 4.09 |
| Highest Precipitation (in.) | 1.25 | 0.67 | 1.79 | 1.06 | 2.01 | 0.42 | 2.45 | 4.18 | 1.93 | 2.72 | 2.22 | 1.04 | 4.18 |
| Year Highest Occurred | 1993 | 2000 | 1981 | 1994 | 1992 | 1984 | 1999 | 1987 | 1996 | 1998 | 1987 | 1991 | 1987 |
| 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 | 2000 | 1999 | 1999 | 1996 | 2000 | 2000 | 1994 | 1985 | 1993 | 1999 | 1997 | 2000 | 2000 |
| Heating Degree Days (F) | 1050. | 770. | 583. | 342. | 113. | 10. | 0. | 0. | 21. | 291. | 702. | 1012. | 4894. |
| Cooling Degree Days (F) | 0. | 0. | 1. | 16. | 82. | 298. | 435. | 354. | 142. | 22. | 0. | 0. | 1350. |