condition	mean	min	max
4 h after light	2.422105	2.21159	2.63262
8 h after light	1.66885	1.55558	1.78212
12 h after light	1.930065	1.79806	2.06207
4 h after dark	1.79882	1.39112	2.10984
8 h after dark	1.4083856666666665	0.377737	2.54465
12 h after dark	1.037501	0.107093	1.5611