condition	mean	min	max
4 h after light	27.5029	21.3031	33.7027
8 h after light	8.121255	6.46599	9.77652
12 h after light	3.964855	2.06374	5.86597
4 h after dark	0.0644215	0.0	0.128843
8 h after dark	0.289983	0.127997	0.451969
12 h after dark	2.06406	1.71261	2.41551