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HadEX3: terms and conditions

HadEX3 is distributed under the Open Government Licence. Any redistribution of this product should be accompanied by a similar statement of usage policy. HadEX3 is also subject to Crown Copyright

When using the dataset in a paper, please quote the product version, the data the data were downloaded and cite the following:

Dunn, R. J. H., et al. (2020), Development of an updated global land in-situ-based dataset of temperature and precipitation extremes: HadEX3 JGR-A

For example:

Users must also acknowledge the following:

The following two papers may also be of interest when using HadEX3:

Dunn, R. J. H., Donat, M. G., Alexander, L. V., al. (2014), Investigating uncertainties in global gridded datasets of climate extremes, Climate of the Past, 10, 2171-2199

Donat, M. G., Alexander, L. V., .... Dunn, R. J. H., et al. (2013), Updated analyses of temperature and precipitation extreme indices since the beginning of the twentieth century: The HadEX2 dataset, J. Geophys. Res. Atmos., 118, 2098-2118

Further information about licences can be obtained from the Met Office IPR Officer, Met Office, FitzRoy Road, Exeter, Devon, EX1 3PB. E-mail:

For further information on Crown Copyright policy and licensing arrangements, see the guidance featured on HMSO's web site.

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