condition	mean	min	max
4 h after light	196.2	196.2	196.2
8 h after light	239.5	238.1	240.9
12 h after light	197.2	196.9	197.5
4 h after dark	209.45	100.7	318.2
8 h after dark	167.55	147.4	187.7
12 h after dark	143.2	117.3	169.1