varwg.meteo.meteox2y.vap_p2rel

varwg.meteo.meteox2y.vap_p2rel(e, at)

relative humidity from vapour pressure and air temperature

Parameters:

efloat or numpy.array of floats

vapour pressure [hPa]

atfloat or numpy.array of floats

air temperature [deg C]

Returns:

rhfloat or numpy.array of floats

relative humidity with values between 0 and 1 [-]

Examples

>>> vap_p2rel(6.22,20.0)
0.26592027532201407

>>> e = np.array((5.5, 5.8, 6.1, 6.2, 6.3))
>>> at = np.array((0.0, 2.5, 5.0, 7.5, 10.0))
>>> vap_p2rel(e,at)
array([0.90016367, 0.79285516, 0.69906301, 0.59780966, 0.512877  ])