condition	mean	min	max
4 h after light	5.17955	5.08841	5.25473
8 h after light	4.917046666666667	4.41695	5.204359999999999
12 h after light	5.17926	5.09362	5.31773
4 h after dark	5.15262	5.10155	5.22879
8 h after dark	5.109676666666666	5.0602599999999995	5.1554
12 h after dark	5.033776666666667	4.72834	5.24345