condition	mean	min	max
4 h after light	1538.8	1538.8	1538.8
8 h after light	1304.3	1151.5	1457.1
12 h after light	1480.8	1382.5	1579.1
4 h after dark	1597.5	1415.9	1779.1
8 h after dark	1549.8	1544.1	1555.5
12 h after dark	1562.1	1380.0	1744.2