condition	mean	min	max
4 h after light	1563.2	1563.2	1563.2
8 h after light	1584.25	1538.2	1630.3
12 h after light	1862.05	1507.4	2216.7
4 h after dark	2035.9	1779.3	2292.5
8 h after dark	1687.6	1538.6	1836.6
12 h after dark	2113.55	2102.5	2124.6