A cloud with its base at the earth's surface. Frontal fog Fog produced when sufficient water vapor is added to the air by evaporation, and the moist air mixes with relatively drier air.
On average, there are 246 sunny days per year in Arvada, Colorado. The July high is around 88 degrees. The January low is 19. Sperling's comfort index for Arvada is a 71 out of 100, where a higher score indicates a more comfortable year-around climate. The US average for the comfort index is 54.
http://ggweather.com/normals/AK.html. Temperature. The mean average annual temperature in 2012 for the 20 stations was 30.0Â°F, a substantial negative departure of 2.9Â°F from the 30-year normal of 32.9Â°F. This is in stark contrast to the lower 48 states where record high temperatures were observed.