2.5. The highest average temperature in Chicago is July at 75.1 degrees. The coldest average temperature in Chicago is February at 27.1 degrees. The most monthly precipitation in Chicago occurs in August with 4.2 inches. The Chicago weather information is based on the average of the previous 3-7 years of data. Loading...
A flue is a duct, pipe, or opening in a chimney for conveying exhaust gases from a fireplace, furnace, water heater, boiler, or generator to the outdoors.Historically the term flue meant the chimney itself. flue is a duct, pipe, or opening in a chimney for conveying exhaust gases from a fireplace, furnace, water heater, boiler, or generator to the outdoors.
At room temperature, fluorine is a gas of diatomic molecules, pale yellow when pure (sometimes described as yellow-green). It has a characteristic pungent odor detectable at 20 ppb. Fluorine condenses into a bright yellow liquid at â188 Â°C (â306 Â°F), a transition temperature similar to those of oxygen and nitrogen.