condition	mean	min	max
4 h after light	187.6	187.6	187.6
8 h after light	216.3	178.4	254.2
12 h after light	211.25	203.0	219.5
4 h after dark	247.3	225.1	269.5
8 h after dark	299.1	258.4	339.8
12 h after dark	244.5	189.5	299.5