diff --git a/src/main/java/eirb/pg203/WeatherAPI.java b/src/main/java/eirb/pg203/WeatherAPI.java
new file mode 100644
index 0000000..01d5a67
--- /dev/null
+++ b/src/main/java/eirb/pg203/WeatherAPI.java
@@ -0,0 +1,4 @@
+package eirb.pg203;
+
+public class WeatherAPI {
+}
diff --git a/src/main/java/eirb/pg203/WeatherDataAPI.java b/src/main/java/eirb/pg203/WeatherDataAPI.java
index 342b42d..5c8bd80 100644
--- a/src/main/java/eirb/pg203/WeatherDataAPI.java
+++ b/src/main/java/eirb/pg203/WeatherDataAPI.java
@@ -1,5 +1,8 @@
 package eirb.pg203;
 
 public interface WeatherDataAPI {
+
     Temperature getTemperature(int day, String city);
+
+    Temperature getTemperature(int day, int hour, String city);
 }