condition	mean	min	max
4 h after light	7.174895	6.75975	7.59004
8 h after light	5.054285	4.37909	5.72948
12 h after light	5.170405000000001	5.09243	5.24838
4 h after dark	5.81928	5.5224	6.11616
8 h after dark	5.87198	5.69424	6.04972
12 h after dark	5.88227	5.16088	6.60366