condition	mean	min	max
4 h after light	1636.6	1636.6	1636.6
8 h after light	2035.2	1906.0	2164.4
12 h after light	2131.35	1642.8	2619.9
4 h after dark	2047.65	1350.0	2745.3
8 h after dark	1650.85	1237.8	2063.9
12 h after dark	1297.45	967.2	1627.7