condition	mean	min	max
0 h after light	8.731100000000001	8.57619	8.88601
4 h after light	7.408275	5.9832	8.83335
8 h after light	7.61157	6.96785	8.25529
4 h after dark	9.909790000000001	8.66218	11.1574
8 h after dark	11.7881	11.516	12.0602
12 h after dark	8.572775	7.62215	9.5234