condition	mean	min	max
4 h after light	5.82756	5.69937	5.99936
8 h after light	5.815366666666667	5.5191099999999995	6.04485
12 h after light	5.68321	5.44378	6.08831
4 h after dark	5.7808	5.6018	6.06252
8 h after dark	5.6317433333333335	5.61702	5.64248
12 h after dark	5.794053333333333	5.69855	5.87996