condition	mean	min	max
4 h after light	1579.4	1579.4	1579.4
8 h after light	1277.25	1166.9	1387.6
12 h after light	1315.3000000000002	1066.9	1563.7
4 h after dark	1546.3000000000002	1437.7	1654.9
8 h after dark	1776.1	1590.0	1962.2
12 h after dark	1837.45	1802.0	1872.9