condition	mean	min	max
4 h after light	315.9	315.9	315.9
8 h after light	292.0	281.9	302.1
12 h after light	199.9	122.5	277.3
4 h after dark	160.9	133.9	187.9
8 h after dark	155.55	153.8	157.3
12 h after dark	187.35	136.7	238.0