pastas.stats.dutch.q_ghg#

q_ghg(series, tmin=None, tmax=None, q=0.94, by_year=True)[source]#

Gemiddeld Hoogste Grondwaterstand (GHG) also called MHGL (Mean High GW Level).

Parameters:

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

  • tmin (pandas.Timestamp, optional) –

  • tmax (pandas.Timestamp, optional) –

  • q (float, optional) – quantile fraction of exceedance (default 0.94)

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

Return type:

Series

Notes

Approximated by taking quantiles of the time series values per year and calculating the mean of the quantiles. The series is first resampled to daily values.