condition	mean	min	max
4 h after light	5.281876666666666	5.23131	5.379659999999999
8 h after light	5.5533866666666665	5.461530000000001	5.69994
12 h after light	5.521433333333333	5.15411	5.70926
4 h after dark	5.67624	5.460459999999999	5.842980000000001
8 h after dark	5.320226666666667	4.9368300000000005	5.5719
12 h after dark	5.25269	5.14329	5.31847