condition	mean	min	max
4 h after light	1503.4	1503.4	1503.4
8 h after light	1570.45	1439.9	1701.0
12 h after light	1059.5	734.9	1384.1
4 h after dark	877.15	778.4	975.9
8 h after dark	933.55	822.6	1044.5
12 h after dark	1181.65	922.4	1440.9