condition	mean	min	max
4 h after light	5.670893333333333	5.4488199999999996	5.98935
8 h after light	5.630836666666667	5.600230000000001	5.686780000000001
12 h after light	5.60745	5.4031199999999995	5.82545
4 h after dark	5.67494	5.6719599999999994	5.68038
8 h after dark	5.5630733333333335	5.40691	5.79318
12 h after dark	5.838876666666667	5.61946	6.1306400000000005