condition	mean	min	max
4 h after light	6.98386	2.99756	11.2297
8 h after light	4.318798999999999	0.988497	7.39317
12 h after light	4.66772	2.54726	7.58861
4 h after dark	7.273886666666667	4.92938	9.3178
8 h after dark	7.294546666666666	4.83322	9.07732
12 h after dark	8.796406666666666	6.82607	12.4339