condition	mean	min	max
4 h after light	3.67684	3.62658	3.71454
8 h after light	3.625246666666667	3.5699400000000003	3.6614400000000002
12 h after light	3.64228	3.6126099999999997	3.6897800000000003
4 h after dark	3.67188	3.63858	3.7085199999999996
8 h after dark	3.68315	3.64422	3.72577
12 h after dark	3.638376666666667	3.62249	3.6605800000000004