pastas.stats.dutch.q_gvg

q_gvg(series, tmin=None, tmax=None, by_year=True)

Gemiddeld Voorjaarsgrondwaterstand (GVG) also called MSGL (Mean Spring GW Level).

Parameters:

• series (pandas.Series) – Series to calculate the GVG for.

• tmin (pandas.Timestamp, optional) –

• tmax (pandas.Timestamp, optional) –

• by_year (bool, optional) – Take average over quantiles per year (default True)

Return type:

Series

Notes

Approximated by taking the median of the values in the period between 14 March and 15 April (after resampling to daily values). This function does not care about series length!