Studor Air Admittance Valves (AAVs) are negative pressure-activated, one-way vents, used in a drainage system to eliminate the need for passive pipe venting and unsightly, costly roof penetrations.
Emmett, ID Weather. The average temperature of Emmett is 50.41Â°F, which is higher than the Idaho average temperature of 46.32Â°F and is lower than the national average temperature of 54.45Â°F. Topics:Heating Cost IndexCooling Cost IndexHistorical TemperatureHistorical PrecipitationHistorical SnowHistorical HumidityHistorical Wind Speed.
1 The highest monthly average temperature in Ketchikan for August is 58 degrees. 2  The lowest monthly average temperature in Ketchikan for January is 34 degrees.  The most monthly precipitation in Ketchikan occurs in October with 20.7 inches.