diff --git a/dexcom_reader/constants.py b/dexcom_reader/constants.py
index 421c190..628d325 100644
--- a/dexcom_reader/constants.py
+++ b/dexcom_reader/constants.py
@@ -63,6 +63,7 @@ class CrcError(Error):
 EGV_VALUE_MASK = 1023
 EGV_DISPLAY_ONLY_MASK = 32768
 EGV_TREND_ARROW_MASK = 15
+EGV_NOISE_MASK = 112
 
 BATTERY_STATES = [None, 'CHARGING', 'NOT_CHARGING', 'NTC_FAULT', 'BAD_BATTERY']
 
diff --git a/dexcom_reader/database_records.py b/dexcom_reader/database_records.py
index 9274d24..22ba279 100644
--- a/dexcom_reader/database_records.py
+++ b/dexcom_reader/database_records.py
@@ -289,7 +289,7 @@ def rssi(self):
 class EGVRecord(GenericTimestampedRecord):
   # uint, uint, ushort, byte, ushort
   # (system_seconds, display_seconds, glucose, trend_arrow, crc)
-  FIELDS = ['glucose', 'trend_arrow']
+  FIELDS = ['glucose', 'trend_arrow', 'noise']
   FORMAT = '<2IHcH'
 
   @property
@@ -322,6 +322,9 @@ def trend_arrow(self):
     arrow_value = ord(self.full_trend) & constants.EGV_TREND_ARROW_MASK
     return constants.TREND_ARROW_VALUES[arrow_value]
 
+  @property
+  def noise (self):
+    return (ord(self.data[3]) & constants.EGV_NOISE_MASK) >> 4
   def __repr__(self):
     if self.is_special:
       return '%s: %s' % (self.display_time, self.glucose_special_meaning)
diff --git a/setup.py b/setup.py
index ccd42b5..4f46734 100644
--- a/setup.py
+++ b/setup.py
@@ -10,7 +10,7 @@ def readme():
         return f.read()
 
 setup(name='dexcom_reader',
-    version='0.1.10', # http://semver.org/
+    version='0.1.11-dev', # http://semver.org/
     description='Audit, and inspect data from Dexcom G4.',
     long_description=readme(),
     author="Will Nowak",