condition	mean	min	max
4 h after light	1760.6	1760.6	1760.6
8 h after light	1640.25	1396.2	1884.3
12 h after light	1526.9	1308.9	1744.9
4 h after dark	1533.55	1416.5	1650.6
8 h after dark	1545.5	1240.0	1851.0
12 h after dark	1682.7	1455.7	1909.7