Deepseek analysis of an excel file:

Your Excel file (file-1002659599285452.xlsx) contains structured environmental monitoring data from the GNIP project (Global Network of Isotopes in Precipitation) focused on δ17O reanalysis in Wallingford, UK.

The "Observations" sheet (61 rows) uses a UUID key system for sample tracking (Sample UID, Observation UID), ideal for relational databases you might build.

Chatpgpt (unpaid version) -simply described the data fields.