--- a/artifacts/src/main/java/org/dive4elements/river/artifacts/sinfo/common/SInfoResultType.java	Tue Sep 18 17:28:22 2018 +0200
+++ b/artifacts/src/main/java/org/dive4elements/river/artifacts/sinfo/common/SInfoResultType.java	Wed Sep 19 16:21:08 2018 +0200
@@ -12,6 +12,7 @@
 import java.text.NumberFormat;
 
 import org.apache.commons.lang.StringUtils;
+import org.apache.log4j.Logger;
 import org.dive4elements.artifacts.CallContext;
 import org.dive4elements.river.artifacts.common.AbstractResultType;
 import org.dive4elements.river.artifacts.common.I18NStrings;
@@ -30,6 +31,8 @@
 
     private static final long serialVersionUID = 1L;
 
+    protected static Logger log = Logger.getLogger(SInfoResultType.class);
+
     protected SInfoResultType(final String unit, final String csvHeader) {
         super(unit, csvHeader, csvHeader);
     }
@@ -209,6 +212,8 @@
         @Override
         public String exportValue(final CallContext context, final Object value) {
             final double doubleValue = asDouble(value);
+            log.trace(String.format("meanBedHeight.exportValue value: %f doubleValue: %f formatted to: %s", value, doubleValue,
+                    exportDoubleValue(context, doubleValue)));
             return exportDoubleValue(context, doubleValue);
         }