condition	mean	min	max
4 h after light	130.1	130.1	130.1
8 h after light	156.85	137.6	176.1
12 h after light	175.5	147.5	203.5
4 h after dark	245.5	197.4	293.6
8 h after dark	254.35000000000002	245.1	263.6
12 h after dark	201.55	182.7	220.4