add note about IR

Author: kandersolar

docs/sphinx/source/user_guide/modeling_topics/temperature.rst

@@ -40,27 +40,29 @@ photoconversion efficiency and radiative cooling.
 The temperature models currently available in pvlib are summarized in the
 following table:
 
-+-------------------------------------------+--------+------------+--------------------------------------------------------------------+
-| Model                                     | Type   | Transient? | Inputs                                                             |
-|                                           |        |            +----------------+---------------------+------------+----------------+
-|                                           |        |            | POA irradiance | Ambient temperature | Wind speed | Downwelling IR |
-+===========================================+========+============+================+=====================+============+================+
-| :py:func:`~pvlib.temperature.faiman`      | either |            | ✓              | ✓                   | ✓          |                |
-+-------------------------------------------+--------+------------+----------------+---------------------+------------+----------------+
-| :py:func:`~pvlib.temperature.faiman_rad`  | either |            | ✓              | ✓                   | ✓          | ✓              |
-+-------------------------------------------+--------+------------+----------------+---------------------+------------+----------------+
-| :py:func:`~pvlib.temperature.fuentes`     | cell   | ✓          | ✓              | ✓                   | ✓          |                |
-+-------------------------------------------+--------+------------+----------------+---------------------+------------+----------------+
-| :py:func:`~pvlib.temperature.noct_sam`    | cell   |            | ✓              | ✓                   | ✓          |                |
-+-------------------------------------------+--------+------------+----------------+---------------------+------------+----------------+
-| :py:func:`~pvlib.temperature.pvsyst_cell` | cell   |            | ✓              | ✓                   | ✓          |                |
-+-------------------------------------------+--------+------------+----------------+---------------------+------------+----------------+
-| :py:func:`~pvlib.temperature.ross`        | cell   |            | ✓              | ✓                   |            |                |
-+-------------------------------------------+--------+------------+----------------+---------------------+------------+----------------+
-| :py:func:`~pvlib.temperature.sapm_cell`   | cell   |            | ✓              | ✓                   | ✓          |                |
-+-------------------------------------------+--------+------------+----------------+---------------------+------------+----------------+
-| :py:func:`~pvlib.temperature.sapm_module` | module |            | ✓              | ✓                   | ✓          |                |
-+-------------------------------------------+--------+------------+----------------+---------------------+------------+----------------+
++-------------------------------------------+--------+------------+---------------------------------------------------------------------------+
+| Model                                     | Type   | Transient? | Inputs                                                                    |
+|                                           |        |            +----------------+---------------------+------------+-----------------------+
+|                                           |        |            | POA irradiance | Ambient temperature | Wind speed | Downwelling IR [#f1]_ |
++===========================================+========+============+================+=====================+============+=======================+
+| :py:func:`~pvlib.temperature.faiman`      | either |            | ✓              | ✓                   | ✓          |                       |
++-------------------------------------------+--------+------------+----------------+---------------------+------------+-----------------------+
+| :py:func:`~pvlib.temperature.faiman_rad`  | either |            | ✓              | ✓                   | ✓          | ✓                     |
++-------------------------------------------+--------+------------+----------------+---------------------+------------+-----------------------+
+| :py:func:`~pvlib.temperature.fuentes`     | cell   | ✓          | ✓              | ✓                   | ✓          |                       |
++-------------------------------------------+--------+------------+----------------+---------------------+------------+-----------------------+
+| :py:func:`~pvlib.temperature.noct_sam`    | cell   |            | ✓              | ✓                   | ✓          |                       |
++-------------------------------------------+--------+------------+----------------+---------------------+------------+-----------------------+
+| :py:func:`~pvlib.temperature.pvsyst_cell` | cell   |            | ✓              | ✓                   | ✓          |                       |
++-------------------------------------------+--------+------------+----------------+---------------------+------------+-----------------------+
+| :py:func:`~pvlib.temperature.ross`        | cell   |            | ✓              | ✓                   |            |                       |
++-------------------------------------------+--------+------------+----------------+---------------------+------------+-----------------------+
+| :py:func:`~pvlib.temperature.sapm_cell`   | cell   |            | ✓              | ✓                   | ✓          |                       |
++-------------------------------------------+--------+------------+----------------+---------------------+------------+-----------------------+
+| :py:func:`~pvlib.temperature.sapm_module` | module |            | ✓              | ✓                   | ✓          |                       |
++-------------------------------------------+--------+------------+----------------+---------------------+------------+-----------------------+
+
+.. [#f1] Downwelling infrared radiation.
 
 
 Model parameters