Historically, windows were single glazed, with a single pane of glass, but today, there are a number of options for window glazing. Double or triple glazed windows create more insulation, making a structure more energy efficient by reducing heat loss through the windows.
The highest monthly average temperature in Charlotte for August is 79 degrees. The lowest monthly average temperature in Charlotte for January is 44 degrees. The most monthly precipitation in Charlotte occurs in June with 4.9 inches. The air quality index in Charlotte is 15% better than the national average. The pollution index in Charlotte is 171% worse than the national average.
The highest average temperature in Raleigh is August at 79.8 degrees. The coldest average temperature in Raleigh is January at 43.4 degrees. The most monthly precipitation in Raleigh occurs in September with 5 inches. The Raleigh weather information is based on the average of the previous 3-7 years of data.Loading...he Raleigh, NC pollution index is 94.1% less than the North Carolina average and 95.5% less than the national average.