condition	mean	min	max
4 h after light	2.6540790000000003	2.596791	2.7283560000000002
8 h after light	2.1106836666666666	1.6623029999999999	2.3787830000000003
12 h after light	1.3641716666666666	1.314892	1.456202
16 h after light	2.6690289999999997	2.2702299999999997	3.1811439999999997
4 h after dark	2.156762	1.94429	2.451821
8 h after dark	1.450289	1.3614879999999998	1.502926