condition	mean	min	max
0 h after light	6.511604999999999	5.79498	7.22823
4 h after light	5.599295	4.12054	7.07805
8 h after light	6.3528199999999995	6.19168	6.51396
4 h after dark	6.46742	5.43697	7.49787
8 h after dark	5.90442	5.84079	5.96805
12 h after dark	4.27124	3.9407	4.60178