Averaged annual runoff in milimeters of water equivilent (mm w.e.) from RACMO2.3p2 for the period 1958-2019 covering the whole ice sheet and peripheral ice caps. === Original Data Source === Regional Atmospheric Climate Model (RACMO) The Regional Atmospheric Climate Model (RACMO) data included use a new run at 5.5-km horizontal resolution of the polar (p) version of RACMO2.3p2 for the period 1958–2017. RACMO2.3p2 incorporates the dynamical core of the High Resolution Limited Area Model and the physics from the European Centre for Medium-Range Weather Forecasts–Integrated Forecast System (ECMWF-IFS cycle CY33r1). RACMO2.3p2 includes a multilayer snow module that simulates melt, water percolation, and retention in snow, refreezing, and runoff. The model also accounts for dry snow densification, and drifting snow erosion and sublimation. Snow albedo is calculated on the basis of snow grain size, cloud optical thickness, solar zenith angle, and impurity concentration in snow. As compared to the model described in Noel et al. (2018) (reference below), no model physics have been changed. However, increased horizontal resolution of the host model, i.e., 5.5 km instead of 11 km, better resolves gradients in SMB components over the topographically complex ice sheet margins and neighboring peripheral glaciers and ice caps. Some data output has also been downscaled to 1-km resolution. QGreenland currently displays data that describes annual mean values over 1958-2019 for wind speed, total precipitation, snowfall, snowmelt, runoff, sublication, snow drift erosion, and 2-m temperature. Input topography data is also included, along with the PROMICE ice mask and grounded ice mask. For a detailed description of the RACMO model and recent updates, refer to: B. Noël, W. J. van de Berg, J. M. van Wessem, E. van Meijgaard, D. van As, J. T. M. Lenaerts, S. Lhermitte, P. Kuipers Munneke, C. J. P. P. Smeets, L. H. van Ulft, R. S. W. van de Wal, M. R. van den Broeke, Modelling the climate and surface mass balance of polar ice sheets using RACMO2, Part 1: Greenland (1958-2016). Cryosphere 12, 811–831 (2018). Citation: Noël, B., W. J. van de Berg, S. Lhermitte, and M. R. van den Broeke (2019), Rapid ablation zone expansion amplifies north Greenland mass loss, Science Advances, 5(9), eaaw0123. Citation URL: https://advances.sciencemag.org/content/5/9/eaaw0123