Close the supply water valve to the water heater. located, in most cases, above the water heater on. the cold water inlet to the hot water heater. 2. Drain the water from the hot water pipe by opening. a hot water faucet in the house. Let the water run. until it stops flowing.
The annual average precipitation at Seattle is 38.25 Inches. Winter months tend to be wetter than summer months. The wettest month of the year is December with an average rainfall of 6.06 Inches. We usually only get 1-3 days of snowfall a year.
Seattle's mild winters and cool summers enable year-round outdoor activities. High temperatures in July average about 75 F (24 C), while low temperatures in winter drop below freezing an average of only 15 days per year. Seattle averages 158 days of measurable rain and 226 days of some cloud cover per year. Both most often occur in the winter and during the night. Seattle is in the direct path of the highly unstable Puget Sound Convergence Zone which makes local weather forecasting as much an art as a science.