condition	mean	min	max
4 h after light	5.477410000000001	5.19988	5.75494
8 h after light	13.0344	12.1365	13.9323
12 h after light	17.87315	15.2975	20.4488
4 h after dark	11.85885	11.3469	12.3708
8 h after dark	10.064335	9.54357	10.5851
12 h after dark	8.298449999999999	8.08996	8.50694