condition mean min max 4 h after light 138.422713 125.613369 151.232057 8 h after light 125.976078 109.338538 142.613618 12 h after light 153.9241195 148.1101 159.738139 4 h after dark 163.357345 144.539749 182.174941 8 h after dark 171.57498700000002 129.826254 213.32372 12 h after dark 152.709001 152.709001 152.709001