condition	mean	min	max
4 h after light	1852.2	1852.2	1852.2
8 h after light	1620.0	1445.8	1794.2
12 h after light	1674.4	1456.3	1892.5
4 h after dark	1666.45	1628.4	1704.5
8 h after dark	1784.7	1699.0	1870.4
12 h after dark	1752.05	1519.1	1985.0