condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.07231066666666668 0.0 0.216932 9 h after light 0.03419766666666667 0.0 0.102593 12 h after light 0.021279525 0.0 0.0851181 3 h after dark 0.058214999999999996 0.0 0.174645 6 h after dark 0.0 0.0 0.0 9 h after dark 0.152591 0.0 0.272959 12 h after dark 0.068647 0.0 0.137294