condition	mean	min	max
4 h after light	3.89594	3.83134	3.9313300000000004
8 h after light	3.90317	3.8763099999999997	3.9208300000000005
12 h after light	3.961876666666667	3.81874	4.1931
4 h after dark	4.022516666666666	3.9346099999999997	4.1824
8 h after dark	3.8964066666666666	3.84481	3.9737400000000003
12 h after dark	3.9289933333333336	3.9187300000000005	3.94165