condition	mean	min	max
4 h after light	8.68722	5.13421	12.3712
8 h after light	7.268566666666667	2.00959	12.8506
12 h after light	8.516376666666666	4.81464	12.5864
4 h after dark	13.68424	9.35832	17.8139
8 h after dark	11.1845	7.2697	13.6579
12 h after dark	11.6573	10.6798	13.2935