18 -  24 hour files: total    3 TRaP members.
/data/Petrap/2025/ALVIN/2025ALVIN.WTPZ21.KNHC.302000.RCLIPER.05302000.18.Z
/data/Petrap/2025/ALVIN/2025ALVIN.WTPZ21.KNHC.302043.GHEHR.05302000.18.Z
/data/Petrap/2025/ALVIN/2025ALVIN.WTPZ21.KNHC.302043.N20_RAIN.05301959.18.Z
Grid information: nc,nr,clat,clon:      800     800   19.25  109.20
Total independent TRaPs used:   3
Total Ensemble TRaP members:   3