condition	mean	min	max
4 h after light	5.077935	5.05819	5.09768
8 h after light	9.399495	9.25815	9.54084
12 h after light	8.176445000000001	7.95561	8.39728
4 h after dark	13.986699999999999	13.2377	14.7357
8 h after dark	9.401060000000001	8.77832	10.0238
12 h after dark	7.731805	7.5221	7.94151