condition	mean	min	max
4 h after light	5.897595	5.34873	6.44646
8 h after light	5.987105	5.60005	6.37416
12 h after light	7.90477	7.89475	7.91479
4 h after dark	8.48614	7.79145	9.38718
8 h after dark	5.185853333333333	4.3306	5.66618
12 h after dark	6.8471633333333335	6.09061	8.03987