condition mean min max 4 h after light 14.443328 13.087086 15.79957 8 h after light 13.60618 13.367907 13.844453 12 h after light 14.6218645 12.927377 16.316352 4 h after dark 14.409034 13.367588 15.45048 8 h after dark 15.663836 15.419624 15.908048 12 h after dark 13.844453 13.844453 13.844453