condition	mean	min	max
4 h after light	5.6	5.6	5.6
8 h after light	22.6	5.6	39.6
12 h after light	22.65	9.3	36.0
4 h after dark	21.35	2.6	40.1
8 h after dark	14.55	8.4	20.7
12 h after dark	37.0	21.9	52.1