F1: negative time step across files QC::testTimeStep() Path: /badc/cmip5/data/cmip5/output1/IPSL/IPSL-CM5A-LR/historicalGHG/mon/ocnBgchem/Omon/r2i1p1/v20120526/dpco2 File: dpco2_Omon_IPSL-CM5A-LR_historicalGHG_r2i1p1_185001-201212.nc rec#=0, Time: 49.5972 --> 15.5, Date: 1850-02-19T14:19:54.624 --> 1850-01-16T12:00:00