F400: suspect minimum
QC::outlierTest()
Path: /gpfs_750/projects/CMIP5/data/cmip5/output1/MPI-M/MPI-ESM-P/abrupt4xCO2/mon/land/Lmon/r1i1p1/v20120315/gpp
File: gpp_Lmon_MPI-ESM-P_abrupt4xCO2_r1i1p1_185001-199912.nc
Variable: gpp
rec#: 135, date: 1861-04-16T00:00:00, value: -1.40773e-23
rec#: 304, date: 1875-05-16T12:00:00, value: -3.66767e-23
rec#: 729, date: 1910-10-16T12:00:00, value: -2.39487e-22