The offset are set to make the ieta = 1 bin average to 0.
output=/path/to/output.root beam1file=/store/caf/user/ccecal/TPG/splash_events_run_239895_26_events_beam_1.root beam2file=/store/caf/user/ccecal/TPG/splash_events_run_239895_31_events_beam_2.root cmsRun test/ ecalTime_fromAlcaStream_cfg.py files=$beam1file output=$output offset=1.75589609219 isSplash=1 cmsRun test/ ecalTime_fromAlcaStream_cfg.py files=$beam2file output=$output offset=-0.709605624194 isSplash=1