condition	mean	min	max
4 h after light	1814.419225	1801.301047	1827.537403
8 h after light	1663.7932675	1647.783796	1679.802739
12 h after light	1933.7025454999998	1865.325484	2002.079607
4 h after dark	1545.1986465	1352.240202	1738.157091
8 h after dark	1879.61206	1581.385903	2177.838217
12 h after dark	1863.191645	1863.191645	1863.191645