diff --git a/labsw/__init__.py b/labsw/__init__.py
index 52de158..6a81e1e 100644
--- a/labsw/__init__.py
+++ b/labsw/__init__.py
@@ -1 +1 @@
-__version__ = '0.1.6.3'
+__version__ = '0.1.6.4'
diff --git a/labsw/io.py b/labsw/io.py
index 22dc6b6..d3131f2 100644
--- a/labsw/io.py
+++ b/labsw/io.py
@@ -1,6 +1,7 @@
 import pandas as pd
 import numpy as np
 import yaml
+import gzip
 
 import os.path
 
@@ -11,12 +12,25 @@ def load_data_RH_logger(filepath, every=1):
     """
 
     """
-    with open(filepath, 'r') as f:
-        header = f.readline()
+    # Read the header
+    if filepath.endswith('gz'):
+        with gzip.open(filepath, 'r') as f:
+            header = f.readline()
+    else:
+        with open(filepath, 'r') as f:
+            header = f.readline()
+
+    # reorganize header
     header = header.strip('# ').rstrip('\n').split('|')
     header.append('X') # Empty col...
 
-    df = pd.read_csv(filepath, sep=' ',  names=header, skiprows=1)
+    # Load with pandas
+    if filepath.endswith('gz'):
+        df = pd.read_csv(filepath, sep=' ', compression='gzip', names=header, skiprows=1)
+    else:
+        df = pd.read_csv(filepath, sep=' ', names=header, skiprows=1)
+
+    # Clean up
     df = df.drop(columns='X')
     df = df.drop(np.arange(1))
 
@@ -24,7 +38,6 @@ def load_data_RH_logger(filepath, every=1):
     df = df.reset_index()
     del df['index']
 
-
     return df.iloc[::every]