condition	mean	min	max
4 h after light	2445.3	2445.3	2445.3
8 h after light	1895.6	1693.7	2097.5
12 h after light	1708.1999999999998	1514.6	1901.8
4 h after dark	1702.8000000000002	1593.9	1811.7
8 h after dark	1978.4499999999998	1946.6	2010.3
12 h after dark	1916.65	1723.5	2109.8