condition	mean	min	max
4 h after light	0.0	0.0	0.0
8 h after light	1.9113850000000001	1.44077	2.382
12 h after light	3.326885	1.51591	5.13786
4 h after dark	0.37482	0.0	1.12446
8 h after dark	0.5981453	0.0	1.79436
12 h after dark	0.0	0.0	0.0