condition	mean	min	max
4 h after light	8.823357999999999	8.815425	8.831291
8 h after light	8.815425	8.815425	8.815425
12 h after light	8.5153375	8.229923	8.800752
4 h after dark	8.6112145	7.997931	9.224498
8 h after dark	9.6033165	9.510254	9.696379
12 h after dark	8.686153	8.686153	8.686153