1 Katla produces basaltic magmas that typically do not cause explosive eruptions. 2  Many scientists attribute a layer of ash deposited in the North Atlantic and across Europe some 12,000 years ago to a massive eruption of Katla.
The annual average precipitation at Lacey is 50.79 Inches. Winter months tend to be wetter than summer months. The wettest month of the year is November with an average rainfall of 8.13 Inches. (OLYMPIA AP Weather station, 5.78 miles from Lacey)
1 Total annual Precipitation averages 1904 mm (75 inches) which is equivalent to 1904 Litres/m (46.7 Gallons/ft). 2  On average there are 2239 hours of sunshine per year. 3  Visit the sunshine and daylight section to check monthly details including how high in the sky the sun reaches each month.