condition	mean	min	max
0 h after light	6.890445	5.45279	8.3281
4 h after light	5.9170549999999995	5.64055	6.19356
8 h after light	3.1855450000000003	3.09532	3.27577
4 h after dark	5.23926	2.54598	7.93254
8 h after dark	7.425245	7.19118	7.65931
12 h after dark	6.28275	4.97755	7.58795