file	normalization factor	total signal
SRR1619536.bedGraph	0.318499	3139724087
SRR1619546.bedGraph	0.404954	2469415442
SRR1619533.bedGraph	0.276252	3619879767
SRR1619537.bedGraph	0.399467	2503338557
SRR1619538.bedGraph	0.385678	2592838098
SRR1619540.bedGraph	0.306119	3266703102
SRR1619544.bedGraph	0.319243	3132413365
SRR1619535.bedGraph	0.319849	3126479851
SRR1619543.bedGraph	0.360193	2776286215
SRR1619539.bedGraph	0.303092	3299326349
SRR1619541.bedGraph	0.324575	3080949847
SRR1619542.bedGraph	0.337379	2964028111
SRR1619534.bedGraph	0.313579	3188985940
SRR1619545.bedGraph	0.330500	3025716468