condition	mean	min	max
4 h after light	3.152836	3.069152	3.238786
8 h after light	2.5288766666666667	2.073632	2.7706779999999998
12 h after light	2.0107619999999997	1.542404	2.411572
16 h after light	3.062889333333333	2.526911	3.6180489999999996
4 h after dark	2.5474453333333336	2.3064150000000003	2.984829
8 h after dark	1.624509	1.569178	1.6975639999999999