condition	mean	min	max
4 h after light	5.6	5.6	5.6
8 h after light	21.95	3.0	40.9
12 h after light	12.25	1.7	22.8
4 h after dark	8.2	4.3	12.1
8 h after dark	16.7	8.2	25.2
12 h after dark	19.35	3.5	35.2