condition	mean	min	max
4 h after light	0.0	0.0	0.0
8 h after light	0.60357	0.0	1.20714
12 h after light	0.2752015	0.0	0.550403
4 h after dark	0.484556	0.481079	0.488033
8 h after dark	0.0	0.0	0.0
12 h after dark	0.199831	0.0	0.399662