condition	mean	min	max
0 h after light	6.57062	6.06007	7.08117
4 h after light	8.516435	7.35151	9.68136
8 h after light	16.81645	16.1358	17.4971
4 h after dark	7.098050000000001	5.46202	8.73408
8 h after dark	4.59557	3.90035	5.29079
12 h after dark	5.246425	3.89088	6.60197