F400: suspect minimum
QC::testData()
File: /esg/data/outgoing/output1/MIROC/MIROC5/historical/mon/aerosol/aero/r4i1p1/v20120112/cldnvi/cldnvi_aero_MIROC5_historical_r4i1p1_185001-201212.nc
rec#=963, Variable: cldnvi, Date: 1930-04-16T00:00:00, Min.:  2.64681e+05