condition	mean	min	max
4 h after light	2.9	2.9	2.9
8 h after light	12.9	9.8	16.0
12 h after light	8.65	1.5	15.8
4 h after dark	3.9	3.2	4.6
8 h after dark	23.5	18.7	28.3
12 h after dark	23.85	22.2	25.5