condition	mean	min	max
4 h after light	5.91559	5.86286	5.96832
8 h after light	4.749835	4.54539	4.95428
12 h after light	4.91394	4.77851	5.04937
4 h after dark	4.924635	4.73902	5.11025
8 h after dark	5.430065	4.84592	6.01421
12 h after dark	6.265499999999999	6.1629	6.3681