condition	mean	min	max
4 h after light	7.4458139999999995	5.721598999999999	9.236664999999999
8 h after light	4.842642666666667	4.0105900000000005	5.539944
12 h after light	5.031307333333333	3.275616	6.713388
16 h after light	6.9879039999999994	5.46035	7.8105199999999995
4 h after dark	10.342672	7.805846000000001	12.88468
8 h after dark	4.542588	2.233172	7.061636999999999