--- a/flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/HistoricalWQTimerange.java	Tue Mar 19 10:25:23 2013 +0100
+++ b/flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/HistoricalWQTimerange.java	Tue Mar 19 10:40:03 2013 +0100
@@ -50,7 +50,7 @@
     public void add(double w, double q, double diff, Timerange t) {
         ws.add(w);
         qs.add(q);
-        ts.add(t);
+        timeranges.add(t);
         diffs.add(diff);
     }
 
@@ -74,7 +74,7 @@
 
     @Override
     public List<TimerangeItem> sort() {
-        ArrayList<TimerangeItem> items = new ArrayList<TimerangeItem>(ts.size());
+        ArrayList<TimerangeItem> items = new ArrayList<TimerangeItem>(timeranges.size());
         for (int i = 0, n = size(); i < n; i++) {
             items.add(new HistoricalTimerangeItem(getTimerange(i), getQ(i), getW(i), diffs.get(i)));
         }