g2subset (grib2 subset) allows you to subset (time, field, level, or region) a GRIB2 file and
sends you the result
Subdirectory
|    nam.20260118 |
|    nam.20260117 |
|    nam.20260116 |
|    nam.20260115 |
|    nam.20260114 |
|    nam.20260113 |
|    nam.20260112 |
|    nam.20260111 |
NCEP NOMADS Version 1.2