diff --git a/src/main/java/eirb/pg203/OpenMeteo.java b/src/main/java/eirb/pg203/OpenMeteo.java
index b3ff99e..6191992 100644
--- a/src/main/java/eirb/pg203/OpenMeteo.java
+++ b/src/main/java/eirb/pg203/OpenMeteo.java
@@ -44,18 +44,20 @@ public class OpenMeteo implements WeatherDataAPI {
 	  return JSONFetcher.fetch(url);
   }
 
+	/**
+	 * return condition based on the WMOCode
+	 * table can be find here : https://open-meteo.com/en/docs (at the end)
+	 * @param WMOCode id code
+	 * @return weather condition
+	 */
 	private static Condition getConditionFromCode(int WMOCode) {
-		// TODO Wesh Nemo c'est quoi cette merde ?
-		if (WMOCode == 2 )
-			return Condition.PARTIAL;
-		if (WMOCode < 20)
-			return Condition.SUNNY;
-		else if (WMOCode < 30)
-			return Condition.RAINY;
-		else if (WMOCode < 50)
-			return Condition.CLOUDY;
-		else
-			return Condition.RAINY;
+        return switch (WMOCode) {
+            case 0, 1 -> Condition.SUNNY;
+            case 2 -> Condition.PARTIAL;
+            case 3 -> Condition.CLOUDY;
+            case 61, 63, 65, 80, 81, 82 -> Condition.RAINY;
+            default -> Condition.ERROR;
+        };
 	}