condition	mean	min	max
4 h after light	3.1155	3.0689	3.1621
8 h after light	3.6261200000000002	3.59762	3.65462
12 h after light	4.38436	4.04836	4.72036
4 h after dark	6.0342633333333335	5.83583	6.19449
8 h after dark	3.93482	3.83875	4.12204
12 h after dark	4.178756666666667	3.84985	4.60056