condition	mean	min	max
0 h after light	8.881450000000001	8.41356	9.34934
4 h after light	16.45465	13.3143	19.595
8 h after light	3.70709	2.44821	4.96597
4 h after dark	1.4621905	0.902701	2.02168
8 h after dark	7.070185	5.22247	8.9179
12 h after dark	8.38982	7.45948	9.32016