condition	mean	min	max
4 h after light	20.180477500000002	17.39637	22.964585
8 h after light	17.6734145	12.436311	22.910518
12 h after light	11.7194055	10.622221	12.81659
4 h after dark	9.773063	9.404861	10.141265
8 h after dark	13.0752405	8.602592	17.547889
12 h after dark	9.778898	9.778898	9.778898