condition	mean	min	max
4 h after light	1886.1	1886.1	1886.1
8 h after light	1742.1	1501.6	1982.6
12 h after light	2178.3	1824.0	2532.6
4 h after dark	1724.25	1016.4	2432.1
8 h after dark	1425.9	1280.4	1571.4
12 h after dark	1687.0	1634.5	1739.5