condition	mean	min	max
4 h after light	15666.1	15666.1	15666.1
8 h after light	15578.400000000001	15088.6	16068.2
12 h after light	14803.7	14289.9	15317.5
4 h after dark	17405.55	13822.1	20989.0
8 h after dark	16005.0	15170.5	16839.5
12 h after dark	14646.55	14086.3	15206.8