Summing up climate extremes

27 different indices describe changes in heat, cold, rainfall and drought over time—the hottest day each year, for example, or the amount of rainfall in the rainiest 5 day stretch each year.

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For any dataset

The Climdex indices are already available for a number of global climate datasets: we host several right here, and more are available from our partners. Finda a dataset that suits your needs.

Browse datasets

Plots and data, ready to go...

We provide trend maps, average maps, time series plots and raw data of the indices for our hosted datasets right here. Choose the dataset, the index, the timespan and the location.

Explore station data

Explore gridded data

... Or do it yourself

If you have your own climate data, you can use our software to calculate the indices yourself!

Get the software