| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 59.4 | 65.1 | 71.2 | 79.6 | 87.4 | 96.3 | 96.8 | 94.6 | 90.9 | 80.8 | 67.9 | 59.1 | 79.1 |
| Highest Mean Max. Temperature (F) | 67.6 | 71.8 | 79.2 | 88.3 | 95.3 | 100.1 | 100.6 | 98.9 | 96.1 | 86.0 | 75.9 | 65.0 | 100.6 |
| Year Highest Occurred | 1986 | 1999 | 1989 | 1989 | 2000 | 1974 | 2000 | 1977 | 1998 | 1998 | 1999 | 1980 | 2000 |
| Lowest Mean Max. Temperature (F) | 53.3 | 59.1 | 61.5 | 71.9 | 82.6 | 91.9 | 92.5 | 90.6 | 87.3 | 75.4 | 60.9 | 54.6 | 53.3 |
| Year Lowest Occurred | 1979 | 1998 | 1973 | 1975 | 1980 | 1991 | 1990 | 1990 | 1985 | 1984 | 2000 | 1987 | 1979 |
| Mean Temperature (F) | 43.7 | 48.7 | 53.7 | 60.7 | 69.3 | 78.3 | 82.6 | 80.7 | 75.3 | 64.0 | 51.1 | 43.6 | 62.6 |
| Highest Mean Temperature (F) | 48.1 | 54.6 | 58.6 | 67.7 | 75.9 | 82.5 | 85.1 | 84.2 | 80.2 | 68.4 | 56.3 | 47.3 | 85.1 |
| Year Highest Occurred | 1993 | 1996 | 1989 | 1989 | 2000 | 1994 | 1996 | 1994 | 1997 | 1988 | 1995 | 1977 | 1996 |
| Lowest Mean Temperature (F) | 39.0 | 44.8 | 47.9 | 54.5 | 65.5 | 73.6 | 80.2 | 76.6 | 72.0 | 60.0 | 46.2 | 40.0 | 39.0 |
| Year Lowest Occurred | 1992 | 1974 | 1973 | 1983 | 1980 | 1991 | 1992 | 1979 | 1987 | 1976 | 2000 | 1974 | 1992 |
| Mean Min. Temperature (F) | 28.0 | 32.3 | 36.2 | 41.7 | 51.1 | 60.3 | 68.3 | 66.8 | 59.7 | 47.1 | 34.3 | 28.0 | 46.2 |
| Highest Mean Min. Temperature (F) | 38.1 | 39.3 | 41.4 | 47.1 | 56.8 | 66.6 | 71.6 | 70.5 | 66.8 | 52.0 | 40.1 | 33.0 | 71.6 |
| Year Highest Occurred | 1993 | 1996 | 1978 | 2000 | 1997 | 2000 | 1996 | 1994 | 1983 | 1988 | 1978 | 1984 | 1996 |
| Lowest Mean Min. Temperature (F) | 22.2 | 25.0 | 32.4 | 34.7 | 46.9 | 54.5 | 64.1 | 61.0 | 54.2 | 41.2 | 28.7 | 22.6 | 22.2 |
| Year Lowest Occurred | 1972 | 1984 | 1987 | 1998 | 1983 | 1983 | 1979 | 1979 | 1988 | 1982 | 1992 | 1976 | 1972 |
| Mean Precipitation (in.) | 1.06 | 1.03 | 0.82 | 0.25 | 0.34 | 0.25 | 1.30 | 1.31 | 1.08 | 1.12 | 0.67 | 1.07 | 10.30 |
| Highest Precipitation (in.) | 5.27 | 3.31 | 2.67 | 1.71 | 2.78 | 1.79 | 2.91 | 3.84 | 3.30 | 4.40 | 2.01 | 3.53 | 5.27 |
| Year Highest Occurred | 1993 | 1998 | 1983 | 1988 | 1992 | 1972 | 1998 | 2000 | 1999 | 1983 | 1978 | 1984 | 1993 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.12 | 0.07 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1999 | 1999 | 1997 | 2000 | 2000 | 1995 | 1989 | 1981 | 1998 | 1999 | 1999 | 1999 | 1999 |
| Heating Degree Days (F) | 660. | 457. | 356. | 182. | 39. | 1. | 0. | 0. | 2. | 96. | 417. | 665. | 2875. |
| Cooling Degree Days (F) | 0. | 0. | 6. | 51. | 170. | 400. | 544. | 488. | 310. | 65. | 1. | 0. | 2035. |