# Horizontal Infrared

![](/files/-MihrbC_xxk_rmVq45gr)

![](/files/-MihraPo6eJWGgKHDhnj) - [\[source code\]](https://github.com/ladybug-tools/dragonfly-grasshopper/blob/master/dragonfly_grasshopper/src//DF%20Horizontal%20Infrared.py)

Calculate downwelling horizontal infrared radiation intensity from sky cover, dry bulb temperature, and dew point temperature.

## Inputs

* **sky\_cover \[Required]**

  A value or data collection representing sky cover \[tenths] 
* **dry\_bulb \[Required]**

  A value or data collection representing  dry bulb temperature \[C] 
* **dew\_point \[Required]**

  A value or data collection representing dew point temperature \[C] 

## Outputs

* **horiz\_infrared**

  A data collection or value indicating the downwelling horizontal infrared radiation \[W/m2] 


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