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.
The highest average temperature in Scranton is July at 71.8 degrees. The coldest average temperature in Scranton is February at 28.1 degrees. The most monthly precipitation in Scranton occurs in October with 5.6 inches.The Scranton weather information is based on the average of the previous 3-7 years of data.he Scranton, PA air quality index is 11.7% less than the Pennsylvania average and 19.5% less than the national average. The Scranton, PA pollution index is the sum of the most hazardous air pollutants displayed in pounds.