condition	mean	min	max
4 h after light	1455.9	1455.9	1455.9
8 h after light	1470.0	1228.1	1711.9
12 h after light	1908.25	1256.8	2559.7
4 h after dark	2039.4	1525.5	2553.3
8 h after dark	1897.6	1877.3	1917.9
12 h after dark	1902.75	1519.1	2286.4