Articles | Volume 10, issue 6
Clim. Past, 10, 1983–2006, 2014
https://doi.org/10.5194/cp-10-1983-2014
Clim. Past, 10, 1983–2006, 2014
https://doi.org/10.5194/cp-10-1983-2014

Research article 21 Nov 2014

Research article | 21 Nov 2014

HadISDH land surface multi-variable humidity and temperature record for climate monitoring

K. M. Willett et al.

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Short summary
We have developed HadISDH, a new gridded global land monthly mean climate montitoring product for humidity and temperature from 1973 to then end of 2013 (updated annually) based entirely on in situ observations. Uncertainty estimates are provided. Over the period of record significant warming and increases in water vapour have taken place. The specific humidity trends have slowed since a peak in 1998 concurrent with decreasing relative humidity from 2000 onwards.