condition	mean	min	max
4 h after light	58.1427255	55.163198	61.122253
8 h after light	61.0488565	53.488991	68.608722
12 h after light	72.0262765	69.429701	74.622852
4 h after dark	79.8309165	70.357754	89.304079
8 h after dark	62.58463449999999	56.835345	68.333924
12 h after dark	79.694609	79.694609	79.694609