condition	mean	min	max
4 h after light	1741.0	1741.0	1741.0
8 h after light	1571.8	1505.1	1638.5
12 h after light	1995.1	1585.2	2405.0
4 h after dark	1883.2	1708.0	2058.4
8 h after dark	1855.35	1661.2	2049.5
12 h after dark	2000.25	1984.5	2016.0