condition	mean	min	max
4 h after light	5.14482	4.98072	5.31452
8 h after light	5.35031	5.1556	5.505730000000001
12 h after light	5.237633333333334	5.02169	5.448930000000001
4 h after dark	5.145766666666667	5.005780000000001	5.4043
8 h after dark	5.16399	4.89107	5.56267
12 h after dark	5.01693	4.9006300000000005	5.116169999999999