condition	mean	min	max
4 h after light	766.199	737.603	794.795
8 h after light	1115.87	1068.09	1163.65
12 h after light	3471.825	3446.11	3497.54
4 h after dark	4515.93	4158.55	4873.31
8 h after dark	3253.455	3209.83	3297.08
12 h after dark	1709.1	1700.52	1717.68