condition	mean	min	max
4 h after light	630.2	630.2	630.2
8 h after light	592.4	492.5	692.3
12 h after light	411.6	193.7	629.5
4 h after dark	524.7	119.0	930.4
8 h after dark	863.15	510.0	1216.3
12 h after dark	964.7	862.1	1067.3