condition	mean	min	max
4 h after light	1311.4	1311.4	1311.4
8 h after light	1812.2	1776.2	1848.2
12 h after light	2009.7	1598.6	2420.8
4 h after dark	1291.0	835.6	1746.4
8 h after dark	945.1	786.8	1103.4
12 h after dark	1048.9	1020.8	1077.0