condition	mean	min	max
4 h after light	1718.1	1718.1	1718.1
8 h after light	1611.75	1600.3	1623.2
12 h after light	1824.85	1815.1	1834.6
4 h after dark	1804.1	1780.6	1827.6
8 h after dark	1589.1	1435.4	1742.8
12 h after dark	1501.45	1406.7	1596.2