condition	mean	min	max
4 h after light	1528.4056835000001	1413.517949	1643.293418
8 h after light	1470.041755	1428.26523	1511.81828
12 h after light	1666.8419445	1525.088277	1808.595612
4 h after dark	1760.6878095	1572.528178	1948.847441
8 h after dark	2171.9129175	1877.964608	2465.861227
12 h after dark	1981.538705	1981.538705	1981.538705