Air Quality Testing in Silverdale, PA

According to the Köppen climate classification system, Silverdale has a Hot-summer, Humid continental climate (Dfa). Dfa climates are characterized by at least one month having an average mean temperature ≤ 32.0 °F (0.0 °C), at least four months with an average mean temperature ≥ 50.0 °F (10.0 °C), at least one month with an average mean temperature ≥ 71.6 °F (22.0 °C) and no significant precipitation difference between seasons. Although most summer days are slightly humid in Silverdale, episodes of heat and high humidity can occur with heat index values > 105 °F (41 °C). Since 1981, the highest air temperature was 101.5 °F (38.6 °C) on 07/22/2011, and the highest daily average mean dew point was 74.2 °F (23.4 °C) on 08/12/2016. The average wettest month is July which corresponds with the annual peak in thunderstorm activity. Since 1981, the wettest calendar day was 6.72 inches (171 mm) on 08/27/2011. During the winter months, the average annual extreme minimum air temperature is −1.9 °F (−18.8 °C). Since 1981, the coldest air temperature was −13.0 °F (−25.0 °C) on 01/22/1984. Episodes of extreme cold and wind can occur with wind chill values < −13 °F (−25 °C). The average annual snowfall (Nov-Apr) is between 30 inches (76 cm) and 36 inches (91 cm). Ice storms and large snowstorms depositing ≥ 12 inches (30 cm) of snow occur once every few years, particularly during nor’easters from December through February.