diff --git a/py/hexagram/thermo.py b/py/hexagram/thermo.py
index be2d450..ea5f1f3 100644
--- a/py/hexagram/thermo.py
+++ b/py/hexagram/thermo.py
@@ -5,9 +5,9 @@ import cairo
 from hexagram.dial import BottomDial
 
 class Thermometer(BottomDial):
-    MIN_VALUE  =  85
-    MAX_VALUE  = 110
-    WARN_VALUE = 106
+    MIN_VALUE  =  48
+    MAX_VALUE  = 127
+    WARN_VALUE = 116
 
     FONT_FACE = "Muli"