Input data set: WATCH (WFD)

Protocol relation: Protocol
Data Type: Observed atmospheric climate
Simulation rounds: ISIMIP2a

Daily resolution climate data on a global 0.5°x0.5° lat-lon grid: Derived from the WATCH Project, based on the reanalysis data set ERA-40 and using the bias correction target GPCC for monthly rainfall and snowfall sums. The data set covers the period 1901‐2001.

Related website:

When referring to the WATCH data set, the following paper should be cited:
Weedon, G.P., S.S. Gomes, P.P. Viterbo, W.J. Shuttleworth, E.E. Blyth, H.H. Österle, J.C. Adam, N.N. Bellouin, O.O. Boucher, and M.M. Best, 2011: Creation of the WATCH Forcing Data and Its Use to Assess Global and Regional Reference Crop Evaporation over Land during the Twentieth Century. J. Hydrometeor., 12, 823–848, doi: 10.1175/2011JHM1369.1

Scenarios: hist-obs
Variables: hurs, huss, tasmax, tas, tasmin, rlds, wind, rhs, rsds, ps, pr
Download Instructions

For ISIMIP participants, these files are available for download on the DKRZ server using the path

For external users, these data are made available on the ISIMIP data portal under the link shown below

Data link
For more information and how to cite this dataset, please follow the DOI: