condition	mean	min	max
4 h after light	7.6165185	7.412582	7.820455
8 h after light	7.3828215	6.945188	7.820455
12 h after light	7.5425585	7.264662	7.820455
4 h after dark	7.965444	7.894772	8.036116
8 h after dark	7.853892500000001	7.820455	7.88733
12 h after dark	7.628492	7.628492	7.628492