file	normalization factor	total signal
SRR3224187.bedGraph	29.044723	34429662
SRR3224191.bedGraph	29.386156	34029630
SRR3224192.bedGraph	29.093438	34372012
SRR3224189.bedGraph	28.808080	34712483
SRR3224190.bedGraph	29.226501	34215522
SRR3224188.bedGraph	28.795301	34727888