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Each daily update of the data re-calculates values for two days backwards (DAY-1 and DAY-2). Monthly update (on the 3rd day of each calendar month) re-calculates the whole previous month as soon as it's completed. The purpose of these updates is described in this article. We gradually expand spatial coverage of satellite data accessible via API. To request operational and historical data in the grey areas on the map, please use Solargis climData online shop.

The data from orange zones in the map is also available by using interactive application pvSpot (daily operational data) and the data is accessible within minutes after purchase via climData online shop (as historical multi-year archived data).


Meteorological data from numerical weather models - from history up to current day

Main data parameters include air temperature (TEMP), wind speed (WS), wind direction (WD), relative humidity (RH) and many others. Historical meteorological data comes from post-processed numerical weather models and it is available globally. The DAY-1 and DAY-2 values are taken from NWP models - NOAA GFS (resp. ECMWF IFS) data sources (they are forecasted values). The preliminary meteorological data from GFS model is later updated with data from the NOAA CFS v2 data source (re-analysed archive data). Meteorological data for period DAY-3 and older can be considered as definitive.

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