condition	mean	min	max
4 h after light	6.71779	4.33573	8.32128
8 h after light	2.773274333333333	0.676843	4.47433
12 h after light	3.6144600000000002	1.74549	6.20483
4 h after dark	10.36764	8.36292	11.5485
8 h after dark	20.129966666666668	17.1421	23.3594
12 h after dark	6.298053333333333	5.68156	6.8256