condition	mean	min	max
4 h after light	5.901400000000001	5.00875	6.79405
8 h after light	5.3688649999999996	5.16279	5.57494
12 h after light	4.9700500000000005	4.79867	5.14143
4 h after dark	5.072516666666667	4.8585	5.36065
8 h after dark	6.42142	5.87222	6.9973
12 h after dark	6.166586666666666	5.24071	6.74501