condition	mean	min	max
4 h after light	1392.4	1392.4	1392.4
8 h after light	1547.9	1532.3	1563.5
12 h after light	1671.85	1619.6	1724.1
4 h after dark	2236.3	1651.0	2821.6
8 h after dark	3085.0	3045.2	3124.8
12 h after dark	2637.4	2264.9	3009.9