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| Attribute name | Attribute type | Description |
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| Site | Nominal | Total of 26 distinct sites around Saudi |
| Latitude | Numeric | Geographical latitude of a specific solar system site |
| Altitude | Numeric | Geographical altitude of a specific solar system site |
| Date | Date | The time and date at which data was collected |
| Air temperature (C) | Numeric | Air temperature at the site |
| Air temperature uncertainty (C) | Numeric | Uncertainty window |
| Wind direction at 3 m (N) | Numeric | Wind direction |
| Wind direction at 3 m uncertainty (N) | Numeric | Uncertainty window |
| Wind speed at 3 m (m/s) | Numeric | Wind speed |
| Wind speed at 3 m uncertainty (m/s) | Numeric | Uncertainty window |
| Wind speed at 3 m (std dev) (m/s) | Numeric | Wind speed standard deviation |
| DHI (Wh/m2) | Numeric | Diffuse horizontal irradiance |
| DHI uncertainty (Wh/m2) | Numeric | Uncertainty window |
| Standard deviation DHI (Wh/m2) | Numeric | DHI SD |
| DNI (Wh/m2) | Numeric | Direct normal irradiance |
| DNI uncertainty (Wh/m2) | Numeric | Uncertainty window |
| Standard deviation DNI (Wh/m2) | Numeric | DNI SD |
| GHI (Wh/m2) | Numeric | Global horizontal irradiance |
| GHI uncertainty (Wh/m2) | Numeric | Uncertainty window |
| Standard deviation GHI (Wh/m2) | Numeric | GHI SD |
| Peak wind speed at 3 m (m/s) | Numeric | Peak wind speed at site |
| Peak wind speed at 3 m uncertainty (m/s) | Numeric | Uncertainty window |
| Relative humidity (%) | Numeric | Humidity level at site |
| Relative humidity uncertainty (%) | Numeric | Uncertainty window |
| Barometric pressure (mB (hPa equiv)) | Numeric | Pressure at site |
| Barometric pressure uncertainty (mB (hPa equiv)) | Numeric | Uncertainty window |
| GHI class | Nominal | Calculated attribute with three possible values: running, monitoring, inspecting |
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