Article Published: Sep. 8, 2011 | Modified: Sep. 8, 2011
Grandfather Mountain, known for its winds and extreme
weather, has been reporting weather data from the top of the mountain since August 1955.
During the past four years, Grandfather, in partnership with Appalachian
State University, has upgraded technology and added two automatic weather stations on its Mile
High Swinging Bridge.
In its monthly summaries, Grandfather Mountain will now
begin reporting the data collected by the automatic weather station located on the Swinging
The average high temperature for August was 68.2 degrees and the average
low temperature was 57.1 degrees. These numbers read just a bit higher than the State Climate
Office data from Mt. Mitchell State Park The average high temperature at Mt. Mitchell was 66.2
degrees and the average low temperature was 54.1 degrees.
Mountain measures precipitation at multiple locations on the mountain. The equipment used to
collect the data previously reported in the monthly summaries collected 2.17 inches of rain in
This recording was 3.61 inches (62 percent) below the 56-year
average rainfall total for the month of 5.78 inches.
Rain for the
year-to-date totals 37 inches, which is 6.41 inches (15 percent) below the 56-year norm of 43.41
An automatic weighing precipitation gauge on the corner of the Top Shop
parking lot recorded 2.31 inches of rain this month and a manual gauge at the mountain’s entrance
gate recorded 2.66 inches.
Wind gusts more than 60 mph were recorded five times.
The highest three-second gust during the month was 79.1 mph recorded Aug.