diff --git a/src/main/java/eirb/pg203/WeatherDataAPI.java b/src/main/java/eirb/pg203/WeatherDataAPI.java
index 5c8bd80..c3b4e68 100644
--- a/src/main/java/eirb/pg203/WeatherDataAPI.java
+++ b/src/main/java/eirb/pg203/WeatherDataAPI.java
@@ -1,8 +1,13 @@
 package eirb.pg203;
 
+import java.io.IOException;
+import java.util.ArrayList;
+
 public interface WeatherDataAPI {
 
-    Temperature getTemperature(int day, String city);
+    Temperature getTemperature(int day, String city) throws IOException;
 
-    Temperature getTemperature(int day, int hour, String city);
+    Temperature getTemperature(int day, int hour, String city) throws IOException;
+
+    ArrayList<Temperature> getTemperatures(int days, String city) throws IOException;
 }