diff --git a/lib/index.js b/lib/index.js
index 188eac0..200a055 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -36,7 +36,23 @@ engine.getData = function (startDate, endDate, callback) {
             }
         },
         {$sort: {"_id.year": 1, "_id.month": 1, "_id.day": 1}}
-    ], callback);
+    ], function (err, data) {
+        if (err) {
+            callback(err);
+            return;
+        }
+
+        var result = [];
+        for (var i = 0; i < data.length; i++) {
+            var d = data[i];
+            result.push({
+                date: new Date(d._id.year, d._id.month, d._id.day),
+                value: d.hits
+            });
+        }
+
+        callback(null, result);
+    });
 };
 
 module.exports = engine;
\ No newline at end of file