condition	mean	min	max
4 h after light	6.690045	6.37304	7.00705
8 h after light	1.91534	1.53942	2.29126
12 h after light	1.5044499999999998	1.29786	1.71104
4 h after dark	2.6915733333333334	2.39936	2.84596
8 h after dark	5.53454	4.76354	6.41094
12 h after dark	7.000656666666667	6.23338	7.56216