condition	mean	min	max
4 h after light	5.707293333333333	5.53714	5.89318
8 h after light	6.014826666666667	5.655530000000001	6.62096
12 h after light	5.976360000000001	5.65446	6.50269
4 h after dark	5.947306666666666	5.6378699999999995	6.52891
8 h after dark	6.065370000000001	5.71598	6.556660000000001
12 h after dark	5.996786666666667	5.7584	6.291930000000001