diff --git a/mapfile/template.j2 b/mapfile/template.j2
index 85fa952a730ec146b412a01adf59404b23834194..8bab19259fb97c2a553cbcb8392c0f138aa6e832 100644
--- a/mapfile/template.j2
+++ b/mapfile/template.j2
@@ -194,23 +194,23 @@ LAYER
      END
     CLASSITEM "[pixel]"
     CLASS
-      NAME "Below 10"
-      EXPRESSION ([pixel] < 10)  
+      NAME "Below 12"
+      EXPRESSION ([pixel] < 12)  
       STYLE
         COLOR 0 0 255  # RGB for blue
       END
     END
     CLASS
       NAME "Temperature range"
-      EXPRESSION ([pixel] >= 10  AND [pixel] <= 25)
+      EXPRESSION ([pixel] >= 12  AND [pixel] <= 22)
       STYLE
-        DATARANGE 10 25
+        DATARANGE 12 22
         COLORRANGE 0 0 255 255 0 0 
       END
     END
     CLASS
-      NAME "Above 25"
-      EXPRESSION ([pixel] > 25)
+      NAME "Above 22"
+      EXPRESSION ([pixel] > 22)
       STYLE
         COLOR 255 0 0  # RGB for red
       END