condition	mean	min	max
4 h after light	216.9	216.9	216.9
8 h after light	211.5	191.8	231.2
12 h after light	139.45	129.0	149.9
4 h after dark	151.55	150.0	153.1
8 h after dark	188.95	180.0	197.9
12 h after dark	167.55	149.9	185.2