condition	mean	min	max
4 h after light	2074.2	2074.2	2074.2
8 h after light	1813.35	1585.6	2041.1
12 h after light	1508.3	1496.1	1520.5
4 h after dark	1284.1	1083.3	1484.9
8 h after dark	1205.15	945.6	1464.7
12 h after dark	1697.3	1469.0	1925.6