condition	mean	min	max
4 h after light	8.68287	6.86414	10.5016
8 h after light	10.05642	9.75764	10.3552
12 h after light	5.29617	3.66472	6.92762
4 h after dark	8.41417	4.82634	12.002
8 h after dark	7.49165	5.96036	9.02294
12 h after dark	10.226215	9.10423	11.3482