Decoding time stamp example:
Synop Plot/241121/0900
241121/0900: year=2024; month=11 (November); day=21; 0900=09:00 UTC
Data available each 6h.
Cumulated precipitation are in mm of equivalent water. If precipitation is snow, you must simply read the numbers as in cm as opposed to mm. If precipitation is mixed, it is impossible to know which part is rain and which part is snow.