condition	mean	min	max
0 h after light	9.476555000000001	9.46616	9.48695
4 h after light	12.18505	10.9707	13.3994
8 h after light	4.28636	2.87415	5.69857
4 h after dark	1.66798	1.22013	2.11583
8 h after dark	7.8572049999999996	7.60084	8.11357
12 h after dark	12.12851	9.39902	14.858