condition	mean	min	max
4 h after light	1672.5	1672.5	1672.5
8 h after light	1849.9	1769.2	1930.6
12 h after light	1709.85	1624.4	1795.3
4 h after dark	1856.25	1661.8	2050.7
8 h after dark	1738.7	1717.0	1760.4
12 h after dark	1687.1	1617.4	1756.8