import pandas as pd

f = "../data/ClimaLab_2023-10-27_2025-04-30.parquet"
esolmet = pd.read_parquet(f)

esolmet.tdb.resample("YE").max()

date
2023-12-31    32.40
2024-12-31    39.63
2025-12-31    35.78
Freq: YE-DEC, Name: tdb, dtype: float64