condition	mean	min	max
4 h after light	5.024295	4.6123	5.43629
8 h after light	5.2631499999999996	5.24926	5.27704
12 h after light	5.964874999999999	5.9227	6.00705
4 h after dark	6.65232	6.13846	7.16618
8 h after dark	5.82922	5.64721	6.01123
12 h after dark	6.15502	6.02495	6.28509