condition	mean	min	max
4 h after light	819.4	819.4	819.4
8 h after light	776.75	650.0	903.5
12 h after light	829.75	772.3	887.2
4 h after dark	1224.45	969.1	1479.8
8 h after dark	1319.35	1205.8	1432.9
12 h after dark	1339.25	1311.1	1367.4