condition	mean	min	max
4 h after light	3.24479	3.13675	3.35283
8 h after light	4.0698550000000004	3.63814	4.50157
12 h after light	4.09714	4.02351	4.17077
4 h after dark	10.877369999999999	9.16134	12.5934
8 h after dark	8.18641	7.73685	8.63597
12 h after dark	6.178025	5.88606	6.46999