PyEto replacement

[nliaudat]

PyEto works great, but need a lot of data to compute.

Please have a look at https://github.com/sherzodr/penmon which in a simple python class can compute Eto with minimal data. The precision increase if you have more data like wind, dew and solar radiation.

Regards

[NathanSweet]

There is also this project: https://github.com/hwestbrook/evapotranspiration_calculator It makes for a very clean ET calculation based on this paper: http://n4te.com/x/7163-ae45900.pdf I ported it to Java with a little clean up: https://gist.github.com/NathanSweet/ee6f669c70fbd2ee82907c81138baa67 The values it needs are:

dayOfYear // 1-366
tempMinC
tempMaxC
relativeHumidityMin
relativeHumidityMax
windSpeedAvgMs // At 2 meters above the ground.
solarRadiationAvgWM2
albedo // 0.23 for grass.
elevationM
latitudeDegrees

[jeroenterheerdt]

thanks! Version 2.0 (currently in beta) provides a way to add calculation modules. Feel free to take a stab at adding these as calculation modules.

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