Changed value type from primitive double to Double object

src/main/java/no/nibio/vips/entity/WeatherObservation.java

@@ -46,7 +46,7 @@ public class WeatherObservation implements Comparable{
     private String elementMeasurementTypeId;
     private Integer logIntervalId;
     private Date timeMeasured;
-    private double value;
+    private Double value;
    
     /** Creates a new instance of WeatherObservation */
     public WeatherObservation() {
@@ -134,14 +134,14 @@ public class WeatherObservation implements Comparable{
     /**
      * @return the value
      */
-    public double getValue() {
+    public Double getValue() {
         return value;
     }
 
     /**
      * @param value the value to set
      */
-    public final void setValue(double value) {
+    public final void setValue(Double value) {
         this.value = value;
     }
     

src/main/java/no/nibio/vips/util/WeatherUtil.java

@@ -702,7 +702,7 @@ public class WeatherUtil {
                 wind2m.get(0).getValue(), 
                 globalRadiation.get(0).getValue()
         );
-        Integer precedingLeafWetnessValue = precedingLeafWetness != null ?  (int) precedingLeafWetness.getValue() : 0;
+        Integer precedingLeafWetnessValue = precedingLeafWetness != null ?  precedingLeafWetness.getValue().intValue() : 0;
         // Iterating list with index (instead of using Iterator pattern) has 
         // performance gains on very long lists
         for(int i=1;i<temperature.size();i++)