condition	mean	min	max
4 h after light	941.1	941.1	941.1
8 h after light	808.25	776.2	840.3
12 h after light	574.5	501.6	647.4
4 h after dark	269.95	183.9	356.0
8 h after dark	328.5	240.0	417.0
12 h after dark	578.35	439.6	717.1