condition	mean	min	max
4 h after light	6.93966	5.33852	8.5408
8 h after light	4.9872499999999995	4.75051	5.22399
12 h after light	5.821775000000001	5.11902	6.52453
4 h after dark	7.542216666666667	7.30254	7.93774
8 h after dark	8.095093333333333	7.6477	8.38797
12 h after dark	8.3103	7.8361	8.71573