condition	mean	min	max
4 h after light	55.2	55.2	55.2
8 h after light	17.35	3.5	31.2
12 h after light	4.25	2.7	5.8
4 h after dark	11.15	10.9	11.4
8 h after dark	40.7	38.2	43.2
12 h after dark	13.65	3.6	23.7