condition	mean	min	max
4 h after light	1697.1	1697.1	1697.1
8 h after light	1369.65	1137.6	1601.7
12 h after light	1363.6	1019.7	1707.5
4 h after dark	1367.6	1290.2	1445.0
8 h after dark	1443.15	874.1	2012.2
12 h after dark	1931.15	1781.5	2080.8