condition	mean	min	max
4 h after light	1656.2	1656.2	1656.2
8 h after light	1627.0	1588.3	1665.7
12 h after light	1580.1	1519.5	1640.7
4 h after dark	1515.8	1484.1	1547.5
8 h after dark	1545.5500000000002	1472.7	1618.4
12 h after dark	1601.3	1484.5	1718.1