diff --git a/test_aodntools/timeseries_products/IMOS_ANMN-NRS_STZ_20181213_NRSROT_FV02_hourly-timeseries_END-20190523_C-20220404.nc b/test_aodntools/timeseries_products/IMOS_ANMN-NRS_STZ_20181213_NRSROT_FV02_hourly-timeseries_END-20190523_C-20220404.nc
new file mode 100644
index 0000000..d02738a
Binary files /dev/null and b/test_aodntools/timeseries_products/IMOS_ANMN-NRS_STZ_20181213_NRSROT_FV02_hourly-timeseries_END-20190523_C-20220404.nc differ
diff --git a/test_aodntools/timeseries_products/test_hourly_timeseries.py b/test_aodntools/timeseries_products/test_hourly_timeseries.py
index d262cdf..0367728 100644
--- a/test_aodntools/timeseries_products/test_hourly_timeseries.py
+++ b/test_aodntools/timeseries_products/test_hourly_timeseries.py
@@ -20,6 +20,9 @@
     BAD_FILE
 ]
 INPUT_PATHS = [os.path.join(TEST_ROOT, f) for f in INPUT_FILES]
+EXPECTED_OUTPUT_FILE = os.path.join(
+    TEST_ROOT, 'IMOS_ANMN-NRS_STZ_20181213_NRSROT_FV02_hourly-timeseries_END-20190523_C-20220404.nc'
+)
 
 INST_VARIABLES = {'instrument_id', 'source_file', 'LONGITUDE', 'LATITUDE', 'NOMINAL_DEPTH'}
 OBS_VARIABLES = {'instrument_index', 'TIME'}
@@ -35,7 +38,7 @@
 
 
 class TestHourlyTimeseries(BaseTestCase):
-    def test_hourly_aggregator(self):
+    def  test_hourly_aggregator(self):
         output_file, bad_files = hourly_aggregator(files_to_aggregate=INPUT_PATHS,
                                                    site_code='NRSROT',
                                                    qcflags=(1, 2),
@@ -73,6 +76,15 @@ def test_hourly_aggregator(self):
         self.assertIn('hourly_timeseries.py', dataset.lineage)
         self.assertIn(BAD_FILE, dataset.rejected_files)
 
+        # check variable values
+        expected = Dataset(EXPECTED_OUTPUT_FILE)
+        compare_vars = ('TIME', 'NOMINAL_DEPTH', 'instrument_index',
+                        'TEMP', 'TEMP_count', 'TEMP_min', 'TEMP_max')
+        non_match_vars = [var for var in compare_vars
+                          if not all(dataset[var][:] == expected[var][:])
+                          ]
+        self.assertEqual(non_match_vars, [])
+
     def test_hourly_aggregator_with_nonqc(self):
         output_file, bad_files = hourly_aggregator(files_to_aggregate=INPUT_FILES,
                                                    site_code='NRSROT',
diff --git a/test_requirements.txt b/test_requirements.txt
index 37c5457..67aeac6 100644
--- a/test_requirements.txt
+++ b/test_requirements.txt
@@ -1,3 +1,3 @@
 --index-url https://pypi.python.org/simple/
 -r requirements.txt
--e .[testing]
\ No newline at end of file
+-e .[testing]