condition	mean	min	max
4 h after light	7.073645000000001	5.21548	8.93181
8 h after light	12.01635	11.4912	12.5415
12 h after light	13.871500000000001	12.5433	15.1997
4 h after dark	17.102166666666665	15.4905	20.0979
8 h after dark	16.072066666666665	15.4778	16.8863
12 h after dark	9.962316666666666	9.68834	10.415