condition	mean	min	max
4 h after light	4.50159	4.49512	4.50806
8 h after light	3.2230749999999997	3.17685	3.2693
12 h after light	3.6035450000000004	3.16923	4.03786
4 h after dark	3.41624	3.36504	3.49103
8 h after dark	3.7009266666666667	3.12306	4.46198
12 h after dark	4.22608	4.08234	4.39232