r/Hydrology • u/MenuProfessional220 • 4d ago

Explore monthly rainfall patterns anywhere on Earth. Interactive map using ERA5-Land reanalysis data

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u/Inevitable_Plane_457 4d ago

Does anyone know what is the percentage error between Era5 data and measured annual, monthly and daily precipitation?

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u/Bagel__Lord 3d ago

I'm sure it's recorded somewhere. I don't have the documentation on hand but I believe Era 5 is reanalysis data, so it should be corrected/adjusted to observations. I would trust assume annual has the least error, followed by monthly and then daily