2.1.1 version implementation.

src/main/java/com/github/prominence/openweathermap/api/model/onecall/current/Daily.java

@@ -254,6 +254,19 @@ public class Daily {
         this.probabilityOfPrecipitation = probabilityOfPrecipitation;
     }
 
+    /**
+     * Gets probability of precipitation percentage.
+     *
+     * @return the probability of precipitation percentage
+     */
+    public Byte getProbabilityOfPrecipitationPercentage() {
+        if (probabilityOfPrecipitation != null) {
+            return (byte)(probabilityOfPrecipitation * 100);
+        }
+
+        return null;
+    }
+
     /**
      * Gets rain.
      *

src/main/java/com/github/prominence/openweathermap/api/model/onecall/current/Hourly.java

@@ -225,9 +225,25 @@ public class Hourly {
      * @param probabilityOfPrecipitation the probability of precipitation
      */
     public void setProbabilityOfPrecipitation(Double probabilityOfPrecipitation) {
+        if (probabilityOfPrecipitation != null && (probabilityOfPrecipitation < 0 || probabilityOfPrecipitation > 100))  {
+            throw new IllegalArgumentException("Probability of precipitation value must be in [0, 100] range.");
+        }
         this.probabilityOfPrecipitation = probabilityOfPrecipitation;
     }
 
+    /**
+     * Gets probability of precipitation percentage.
+     *
+     * @return the probability of precipitation percentage
+     */
+    public Byte getProbabilityOfPrecipitationPercentage() {
+        if (probabilityOfPrecipitation != null) {
+            return (byte)(probabilityOfPrecipitation * 100);
+        }
+
+        return null;
+    }
+
     /**
      * Gets rain.
      *

src/test/java/com/github/prominence/openweathermap/api/model/onecall/current/DailyUnitTest.java

@@ -141,14 +141,16 @@ public class DailyUnitTest {
     @Test
     public void getProbabilityOfPrecipitation() {
         final Daily daily = new Daily();
-        final double pop = 70.5;
+        final double pop = 0.84;
         daily.setProbabilityOfPrecipitation(pop);
 
         assertEquals(pop, daily.getProbabilityOfPrecipitation(), 0.00001);
+        assertEquals((byte) 84, daily.getProbabilityOfPrecipitationPercentage());
 
         daily.setProbabilityOfPrecipitation(null);
 
         assertNull(daily.getProbabilityOfPrecipitation());
+        assertNull(daily.getProbabilityOfPrecipitationPercentage());
     }
 
     @Test

src/test/java/com/github/prominence/openweathermap/api/model/onecall/current/HourlyUnitTest.java

@@ -117,10 +117,30 @@ public class HourlyUnitTest {
     @Test
     public void getProbabilityOfPrecipitation() {
         final Hourly hourly = new Hourly();
-        final double pop = 42.0;
+        final double pop = 0.84;
         hourly.setProbabilityOfPrecipitation(pop);
 
         assertEquals(pop, hourly.getProbabilityOfPrecipitation(), 0.00001);
+        assertEquals((byte) 84, hourly.getProbabilityOfPrecipitationPercentage());
+
+        hourly.setProbabilityOfPrecipitation(null);
+
+        assertNull(hourly.getProbabilityOfPrecipitation());
+        assertNull(hourly.getProbabilityOfPrecipitationPercentage());
+    }
+
+    @Test
+    public void getIllegalProbabilityOfPrecipitationValue_negative() {
+        final Hourly daily = new Hourly();
+
+        assertThrows(IllegalArgumentException.class, () -> daily.setProbabilityOfPrecipitation(-20.0));
+    }
+
+    @Test
+    public void getIllegalProbabilityOfPrecipitationValue_tooBig() {
+        final Hourly daily = new Hourly();
+
+        assertThrows(IllegalArgumentException.class, () -> daily.setProbabilityOfPrecipitation(120.0));
     }
 
     @Test