0 -   6 hour files: total    3 TRaP members.
/data/Petrap/2025/31P/202531P.WTPS31.PGTW.191500.AMSUM1.04191205.12.Z
/data/Petrap/2025/31P/202531P.WTPS31.PGTW.200300.AMSUM1.04192311.00.Z
/data/Petrap/2025/31P/202531P.WTPS31.PGTW.200300.GHEHR.04200200.00.Z
Grid information: nc,nr,clat,clon:      800     800  -12.35 -139.80
Total independent TRaPs used:   3
Total Ensemble TRaP members:   3