condition	mean	min	max
4 h after light	13957.4	13957.4	13957.4
8 h after light	13775.3	13541.9	14008.7
12 h after light	10613.25	8017.7	13208.8
4 h after dark	9380.0	7345.2	11414.8
8 h after dark	10006.2	9160.9	10851.5
12 h after dark	9672.95	9653.0	9692.9