From 8faf76a58b3189af92fff7cb88c2c55c2f358078 Mon Sep 17 00:00:00 2001
From: "Adam R. Jensen" <39184289+AdamRJensen@users.noreply.github.com>
Date: Fri, 1 Dec 2023 12:35:21 +0100
Subject: [PATCH 1/2] Fix temp_dew point mapping

---
 pvlib/iotools/psm3.py            | 2 +-
 pvlib/tests/iotools/test_psm3.py | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/pvlib/iotools/psm3.py b/pvlib/iotools/psm3.py
index d2d31b1388..35fb2d362b 100644
--- a/pvlib/iotools/psm3.py
+++ b/pvlib/iotools/psm3.py
@@ -30,7 +30,7 @@
     'Clearsky DNI': 'dni_clear',
     'Solar Zenith Angle': 'solar_zenith',
     'Temperature': 'temp_air',
-    'Dew point': 'temp_dew',
+    'Dew Point': 'temp_dew',
     'Relative Humidity': 'relative_humidity',
     'Pressure': 'pressure',
     'Wind Speed': 'wind_speed',
diff --git a/pvlib/tests/iotools/test_psm3.py b/pvlib/tests/iotools/test_psm3.py
index 41c4be922d..91bba7a830 100644
--- a/pvlib/tests/iotools/test_psm3.py
+++ b/pvlib/tests/iotools/test_psm3.py
@@ -172,7 +172,7 @@ def test_read_psm3_map_variables():
     data, metadata = psm3.read_psm3(MANUAL_TEST_DATA, map_variables=True)
     columns_mapped = ['Year', 'Month', 'Day', 'Hour', 'Minute', 'dhi', 'ghi',
                       'dni', 'ghi_clear', 'dhi_clear', 'dni_clear',
-                      'Cloud Type', 'Dew Point', 'solar_zenith',
+                      'Cloud Type', 'temp_dew', 'solar_zenith',
                       'Fill Flag', 'albedo', 'wind_speed',
                       'wind_direction', 'precipitable_water',
                       'relative_humidity', 'temp_air', 'pressure']

From 0cf1ed4b2c900bcef51ba12254093c2ee548a99f Mon Sep 17 00:00:00 2001
From: "Adam R. Jensen" <39184289+AdamRJensen@users.noreply.github.com>
Date: Fri, 1 Dec 2023 12:39:52 +0100
Subject: [PATCH 2/2] Add whatsnew entry

---
 docs/sphinx/source/whatsnew.rst         | 1 +
 docs/sphinx/source/whatsnew/v0.10.3.rst | 3 ++-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/docs/sphinx/source/whatsnew.rst b/docs/sphinx/source/whatsnew.rst
index 1b19f40ec6..c614c0de98 100644
--- a/docs/sphinx/source/whatsnew.rst
+++ b/docs/sphinx/source/whatsnew.rst
@@ -6,6 +6,7 @@ What's New
 
 These are new features and improvements of note in each release.
 
+.. include:: whatsnew/v0.10.3.rst
 .. include:: whatsnew/v0.10.2.rst
 .. include:: whatsnew/v0.10.1.rst
 .. include:: whatsnew/v0.10.0.rst
diff --git a/docs/sphinx/source/whatsnew/v0.10.3.rst b/docs/sphinx/source/whatsnew/v0.10.3.rst
index b619271d3b..007eb8d34b 100644
--- a/docs/sphinx/source/whatsnew/v0.10.3.rst
+++ b/docs/sphinx/source/whatsnew/v0.10.3.rst
@@ -15,7 +15,8 @@ Enhancements
 
 Bug fixes
 ~~~~~~~~~
-
+* Fix mapping of the dew point column to ``temp_dew`` when ``map_variables``
+  is True in :py:func:`pvlib.iotools.get_psm3`. (:pull:`1920`)
 
 Testing
 ~~~~~~~