condition	mean	min	max
4 h after light	3.6725399999999997	2.97017	4.37491
8 h after light	4.155305	3.97984	4.33077
12 h after light	5.72032	5.28889	6.15175
4 h after dark	10.73876	9.52882	11.9487
8 h after dark	13.25415	12.8905	13.6178
12 h after dark	7.362845	6.81202	7.91367