Data sources

The data shown on p600.org is aggregated over each hike’s time window and, where noted, modified (aggregated or combined) before display. Sources and licences are listed below.

  • Open-Meteo

    Historical weather (reanalysis + high-resolution forecast)

    Attribution: Weather data by Open-Meteo.com

    Licence: CC BY 4.0

  • OpenStreetMap

    Map tiles

    Attribution: © OpenStreetMap contributors

    Licence: Open Data Commons Open Database License (ODbL)

  • OpenTopoMap

    Topographic basemap tiles

    Attribution: © OpenTopoMap (CC-BY-SA), map data © OpenStreetMap contributors

    Licence: CC-BY-SA

  • Esri

    Satellite, terrain, hillshade and label basemap tiles

    Attribution: Tiles © Esri — Source: Esri, Maxar, Earthstar Geographics

    Licence: Esri terms of use

Historical weather values (temperature, precipitation, wind, and similar) are retrieved from Open-Meteo and then aggregated over the exact time interval of each hike (average, sum or maximum, as appropriate). Because they are derived, they are not identical to any single raw observation.

See the articles where this data is used.