Complex sentence: Typically, ozone depletion resulting from electron precipitation is more common during the winter season.The largest EEP event from the studies from 2002 to 2012, was recorded during October of 2003 which caused an ozone depletion of up at 92%.
Split into simpler sentences: Typically, ozone depletion resulting from electron precipitation is more common during the winter season. This event caused an ozone depletion of up at 92%.