condition	mean	min	max
4 h after light	6187.4	6187.4	6187.4
8 h after light	6410.65	6325.8	6495.5
12 h after light	5917.15	5506.0	6328.3
4 h after dark	5630.15	5625.1	5635.2
8 h after dark	5065.05	4562.3	5567.8
12 h after dark	5006.4	4771.4	5241.4