diff --git a/rsd_lib/resources/v2_1/chassis/thermal.py b/rsd_lib/resources/v2_1/chassis/thermal.py
index d445ecf..e7a1b81 100644
--- a/rsd_lib/resources/v2_1/chassis/thermal.py
+++ b/rsd_lib/resources/v2_1/chassis/thermal.py
@@ -91,7 +91,18 @@ class TemperaturesField(base.ListField):
        for CurrentReading. Units shall use the same units as the related
        ReadingVolts property.
     """
-
+    min_reading_range_temp = base.Field(
+        'MinReadingRangeTemp', adapter=rsd_lib_utils.num_or_none)
+    """The value of this property shall indicate the lowest possible value for
+       ReadingCelsius. The units shall be the same units as the
+       related ReadingCelsius property.
+    """
+    max_reading_range_temp = base.Field(
+        'MaxReadingRangeTemp', adapter=rsd_lib_utils.num_or_none)
+    """The value of this property shall indicate the highest possible value
+       for ReadingCelsius. The units shall be the same units as the related
+       ReadingCelsius property.
+    """
     max_reading_range = base.Field(
         'MaxReadingRange', adapter=rsd_lib_utils.num_or_none)
     """The value of this property shall indicate the highest possible value