condition	mean	min	max
4 h after light	5.18856	4.72441	5.65271
8 h after light	4.86621	4.49433	5.23809
12 h after light	5.51873	5.20672	5.83074
4 h after dark	5.196813333333333	4.41491	5.92581
8 h after dark	6.403926666666667	5.06808	7.10499
12 h after dark	3.52658	2.34226	4.89108