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)
On average, there are 136 sunny days per year in Lacey, Washington. The July high is around 76 degrees. The January low is 34. Sperling's comfort index for Lacey is a 75 out of 100, where a higher score indicates a more comfortable year-around climate. The US average for the comfort index is 54.