condition	mean	min	max
4 h after light	6.293825	5.42701	7.16064
8 h after light	7.7134149999999995	6.93428	8.49255
12 h after light	2.888055	2.88057	2.89554
4 h after dark	1.7838466666666666	1.63944	1.88201
8 h after dark	3.5621966666666665	2.40619	4.66168
12 h after dark	4.83772	4.19371	5.80731