condition	mean	min	max
4 h after light	7.77558	6.86413	8.68703
8 h after light	4.4189799999999995	4.10725	4.73071
12 h after light	5.7380949999999995	4.57822	6.89797
4 h after dark	8.53272	6.41704	9.65323
8 h after dark	7.981186666666666	7.24491	8.65796
12 h after dark	9.81051	5.24013	13.9108