condition	mean	min	max
4 h after light	5.259740000000001	4.6013	5.91818
8 h after light	8.05018	7.97009	8.13027
12 h after light	10.9304	10.7931	11.0677
4 h after dark	12.7383	12.0518	13.5476
8 h after dark	10.45711	9.55585	12.1646
12 h after dark	7.605713333333333	6.37373	8.4505