condition	mean	min	max
4 h after light	1432.8	1432.8	1432.8
8 h after light	1529.4	1417.4	1641.4
12 h after light	1547.4	1545.9	1548.9
4 h after dark	1589.75	1520.6	1658.9
8 h after dark	1762.65	1596.3	1929.0
12 h after dark	1951.2	1904.0	1998.4