condition	mean	min	max
4 h after light	3.03926	2.75971	3.31881
8 h after light	10.74755	10.5501	10.945
12 h after light	18.57915	18.1082	19.0501
4 h after dark	16.57065	13.9476	19.1937
8 h after dark	5.422255	5.06043	5.78408
12 h after dark	5.235659999999999	4.94645	5.52487