condition	mean	min	max
0 h after light	6.460445	6.37622	6.54467
4 h after light	3.74124	3.51471	3.96777
8 h after light	3.93782	3.61951	4.25613
4 h after dark	5.78639	5.59497	5.97781
8 h after dark	6.823585	6.69157	6.9556
12 h after dark	5.32026	5.00358	5.63694