condition	mean	min	max
0 h after light	3.51893	3.39828	3.63958
4 h after light	4.657675	4.59876	4.71659
8 h after light	6.335205	5.90812	6.76229
4 h after dark	6.69509	6.00382	7.38636
8 h after dark	5.8374749999999995	5.5334	6.14155
12 h after dark	4.822505	4.24591	5.3991