condition	mean	min	max
4 h after light	1500.2	1500.2	1500.2
8 h after light	1716.85	1447.6	1986.1
12 h after light	1626.45	1612.9	1640.0
4 h after dark	1843.9	1686.3	2001.5
8 h after dark	1872.6	1658.6	2086.6
12 h after dark	2143.2	1961.7	2324.7