condition	mean	min	max
4 h after light	6.0	6.0	6.0
8 h after light	7.55	5.4	9.7
12 h after light	13.15	5.3	21.0
4 h after dark	27.700000000000003	24.8	30.6
8 h after dark	40.25	36.8	43.7
12 h after dark	10.9	2.7	19.1