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Weather Data Sources

SolarAnywhere® non-irradiance weather data is extracted from trusted global reanalysis, numerical weather prediction (NWP) or combination models. Prior to delivery, data is quality controlled by our team and transformed to align with the other SolarAnywhere data you are requesting. Weather-data sources may also be blended to provide seamless coverage across space and time.
When selecting data sources, consistency, resolution and availability are considered. The following tables summarize SolarAnywhere non-irradiance weather-data field coverage

Snow Depth and Precipitation



Data Version
  • SolarAnywhere Versions 3.4 & later




Network
  • Combination Model
  • Reanalysis Model
  • NWP Model

Temporal
Resolution
  • Daily
  • Hourly
  • Hourly

Temporal
Coverage
  • 9/30/2003 - current day
  • 1/1/1998 - trailing couple of days
  • Forecast

Spatial
Resolution
  • 1 km
  • 25 km
  • 25 km

Regions
Covered

Wind Speed and Ambient Temperature


SolarAnywhere
Data Version1
  • SolarAnywhere Versions 3.4 & later



Network
  • Reanalysis Model
  • NWP Model

Temporal
Resolution
  • Hourly
  • Hourly

Temporal
Coverage
  • 1/1/1998 - trailing couple of days
  • Real time -Forecast

Spatial
Resolution
  • 25 km
  • 25 km

Regions
Covered

Relative Humidity


SolarAnywhere
Data Version1
  • SolarAnywhere Versions 3.4 & later





Network
  • Reanalysis Model
  • NWP Model
  • NWP Model
  • NWP Model

Temporal
Resolution
  • Hourly
  • 30 min
  • 30 min
  • Hourly

Temporal
Coverage
  • 1/1/1998 - trailing couple of days
  • Real time - Forecast
  • Real time - Forecast
  • Real time - Forecast

Spatial
Resolution
  • 25 km
  • 2.5 km
  • 10 km
  • 25 km

Regions
Covered

Albedo


SolarAnywhere
Data Version
  • Version 3.5 & later


Network
  • Combination Model

Temporal
Resolution
  • Long term monthly averages for surface albedo, daily timeseries for snow

Temporal
Coverage
  • 1/1/1998 - approximately trailing two months

Spatial
Resolution
  • Up to 1 km

Regions
Covered

Visit the Albedo In-Depth page for more detail on SolarAnywhere albedo data.

Particulate Matter 2.5 & 10


SolarAnywhere
Data Version
  • Version 3.5 & later


Network
  • Reanalysis Model

Temporal
Resolution
  • Hourly

Temporal
Coverage
  • 1/1/1998 - approximately trailing two months

Spatial
Resolution
  • 50 km x 62.5 km

Regions
Covered

References

1 Satellite visible-light resolution. For consistency across geographies, data is accessed in 1 km and 10 km nominal, which corresponds to a 0.01 or 0.1 degree grid.