condition	mean	min	max
4 h after light	5.706203333333333	5.61271	5.8261199999999995
8 h after light	5.1293500000000005	4.97989	5.212680000000001
12 h after light	5.744836666666667	5.6733	5.8535
4 h after dark	5.79639	5.67756	5.9427900000000005
8 h after dark	5.920446666666666	5.68772	6.08895
12 h after dark	6.4514499999999995	6.39693	6.5016099999999994