condition	mean	min	max
4 h after light	20165.4	20165.4	20165.4
8 h after light	19898.449999999997	19778.6	20018.3
12 h after light	16569.15	15875.6	17262.7
4 h after dark	13982.8	12263.2	15702.4
8 h after dark	13949.400000000001	12137.2	15761.6
12 h after dark	14180.75	13289.1	15072.4