Water Treatment Solutions. Screening. Screening is the first treatment station, both for surface and wastewater. Easily separate and remove large matter carried along by the raw water, which might negatively affect the efficiency of later treatment procedures or make their implementation more difficult.
Redmond Average Weather. 1  The highest monthly average temperature in Redmond for July is 64 degrees. 2  The lowest monthly average temperature in Redmond for December is 42 degrees.  The most monthly precipitation in Redmond occurs in January with 0 inches.
Seattle: Annual Weather Averages. July is the hottest month in Seattle with an average temperature of 18Â°C (64Â°F) and the coldest is January at 5Â°C (41Â°F) with the most daily sunshine hours at 10 in July.The wettest month is December with an average of 150mm of rain.The best month to swim in the sea is in July when the average sea temperature is 14Â°C (57Â°F).he wettest month is December with an average of 150mm of rain. The best month to swim in the sea is in July when the average sea temperature is 14Â°C (57Â°F).