F400: suspect minimum
QC::outlierTest()
Path: /gpfs_750/projects/CMIP5/data/cmip5/output1/NCAR/CCSM4/decadal1991/mon/land/Lmon/r3i2p1/v20130210/nbp
File: nbp_Lmon_CCSM4_decadal1991_r3i2p1_199101-200012.nc
Variable: nbp
rec#: 20, date: 1992-09-16T00:00:00, value: -9.98852e-08