condition	mean	min	max
4 h after light	6.4932799999999995	5.3165	8.27324
8 h after light	4.03011	1.68616	6.33932
12 h after light	4.621683333333333	2.86843	6.43312
4 h after dark	6.631643333333334	4.77685	8.37944
8 h after dark	6.853926666666666	5.74371	7.92369
12 h after dark	7.91949	7.01319	9.02864