As stated in the Noise Guidebook, âSTC is used as a. measure of a material's ability to reduce sound,â and. effectively mitigate any adverse noise levels that. could impede a person's use of a residential or. commercial structure. The higher the STC value, the. greater the sound attenuation and presumably the.
1 Record Coldest year in Pennsylvania - 1917 / Avg temperature 46.08 degrees. 2  Pennsylvania average Summer temperature (June, July, August) 68.6 F degrees, 34th warmest U.S. summer state. Pennsylvania average Summer temperature (June, July, August) 68.6 F degrees, 34th warmest U.S. summer state. 2  Pennsylvania average Winter temperature (December, January, February) 28.4 F degrees, 20th coldest U.S. winter state.
Hartstown, PA average temperature is 47.8F, which ranked #1796 in Pennsylvania. Historical Hartstown weather info such as min/max temperature, precipitation/snow data as well as heating and cooling cost index also included.