condition	mean	min	max
4 h after light	5.705146666666667	5.58174	5.824330000000001
8 h after light	5.689266666666667	5.56704	5.84984
12 h after light	5.5385	5.37744	5.66744
4 h after dark	5.80287	5.69565	5.927230000000001
8 h after dark	5.594696666666667	5.48733	5.71769
12 h after dark	5.7231700000000005	5.58108	5.92095