condition	mean	min	max
0 h after light	7.34665	6.38277	8.31053
4 h after light	4.28824	3.38712	5.18936
8 h after light	3.61831	3.2888	3.94782
4 h after dark	5.183775	2.99273	7.37482
8 h after dark	6.99045	6.00221	7.97869
12 h after dark	6.59128	4.32991	8.85265