rex.utilities.utilities.mean_irrad

mean_irrad(arr)[source]

Calc the annual irradiance at a site given an irradiance timeseries.

Parameters:: arr (np.ndarray | pd.Series) – Annual irradiance array in W/m2. Row dimension is time.
Returns:: mean (float | np.ndarray) – Mean irradiance values in kWh/m2/day. Float if the input array is 1D, 1darray if the input array is 2D (multi-site).