condition	mean	min	max
4 h after light	197.6	197.6	197.6
8 h after light	174.1	171.6	176.6
12 h after light	139.85	139.0	140.7
4 h after dark	190.14999999999998	167.7	212.6
8 h after dark	175.55	165.5	185.6
12 h after dark	169.5	163.8	175.2