condition	mean	min	max
4 h after light	4.919705	3.2814	6.55801
8 h after light	3.939405	3.47803	4.40078
12 h after light	4.603285	4.07265	5.13392
4 h after dark	5.252	3.59335	7.41964
8 h after dark	5.81181	3.55832	8.08811
12 h after dark	4.5599	3.71183	5.75815