condition	mean	min	max
4 h after light	7.00143	6.99707	7.00579
8 h after light	2.08888	1.88396	2.2938
12 h after light	1.168565	1.08209	1.25504
4 h after dark	1.914495	1.83616	1.99283
8 h after dark	3.456755	3.38995	3.52356
12 h after dark	5.576605	4.83472	6.31849