condition	mean	min	max
4 h after light	6.01624	5.38264	6.64984
8 h after light	5.7037949999999995	5.64145	5.76614
12 h after light	5.4972449999999995	5.31611	5.67838
4 h after dark	6.70799	6.32252	7.15974
8 h after dark	8.190896666666667	7.59337	8.67976
12 h after dark	7.512166666666666	7.21864	8.04559