condition	mean	min	max
4 h after light	2.152855	1.90912	2.39659
8 h after light	5.118505000000001	4.02899	6.20802
12 h after light	4.31028	3.67726	4.9433
4 h after dark	7.731605	5.47893	9.98428
8 h after dark	5.328105	4.7108	5.94541
12 h after dark	4.19605	2.76538	5.62672