gridded_15km_available_variables

Lists variables available in Athenium's ERA5 global gridded 15 kilometer resolution atmospheric dataset.
Free, no credits.

Call before gridded_history_15km to verify available fields, intervals, and field packages before
making a data query. Use this tool to understand what variables, time intervals, and field package
options are supported — it is the prerequisite step for correctly constructing a gridded_history_15km call.
If the user's intent is unclear or does not map to a specific package, use fields='all'
in the data call to return all available variables.

Returns: Full variable list, field package definitions, supported intervals, and usage guidance.

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