condition	mean	min	max
4 h after light	6.03244	5.78472	6.451890000000001
8 h after light	5.821586666666667	5.57792	6.20943
12 h after light	5.77593	5.39286	6.35449
4 h after dark	5.921336666666667	5.69611	6.36003
8 h after dark	6.228773333333334	5.83856	6.747160000000001
12 h after dark	6.37635	6.00577	6.87905