condition	mean	min	max
4 h after light	54.1973	52.925	55.4696
8 h after light	25.632399999999997	24.0416	27.2232
12 h after light	35.68895	35.6258	35.7521
4 h after dark	53.27393333333333	51.8197	54.4777
8 h after dark	69.6516	68.9479	70.3692
12 h after dark	79.97476666666667	77.6109	82.2114