condition	mean	min	max
4 h after light	2.2	2.2	2.2
8 h after light	12.75	2.6	22.9
12 h after light	6.7	1.4	12.0
4 h after dark	13.35	4.0	22.7
8 h after dark	30.9	21.2	40.6
12 h after dark	13.45	2.4	24.5