diff --git a/sensors.py b/sensors.py
index d79d48b..63e7aaf 100644
--- a/sensors.py
+++ b/sensors.py
@@ -32,12 +32,13 @@ class Temperature1W(Sensor):
     def read(self):
         with open(self.path(), "r") as f:
             content = f.readlines()
+            time = perf_counter()
         if len(content) < 2:
             return None
         if content[0].strip()[-3:] != "YES":
             print("INVALID CHECKSUM")
             return None
-        return int(re.search("t=([0-9]+)", content[1]).group(1)) / 1000.0
+        return (time, int(re.search("t=([0-9]+)", content[1]).group(1)) / 1000.0)
 
 class Sensors():
     def __init__(self, history=2621440):