How to counter Mel
Let us take a look on how to beat Mel. We will look at champions who are strong against Mel and who are weak against Mel. Use win rate, gold difference and creep score difference at minute 10 to find the best 
Mid champion who counters Mel. You can already win in champion select with the right counters for Mel. If you want to know how to counter Mel then you need to take into account the best picks vs Mel and the worst picks vs Mel. This Mel counter data is based on matches played by Pros on patch 15.9 and previous ones. It is important to see whether Pros counter picked Mel or whether they played as Mel.
Champions used by Pros to counter pick Mel
Looking at the matches from Pros (see table Pros counter picked Mel) we can see that they picked 
Yone most often to counter pick Mel. The matchup Yone vs Mel occured 9 times. Mel has 2 wins and 7 losses in this matchup. Learn how to counter pick Yone to get another perspective on the data.
Lane outcome for Mel
When looking at Mel counters you will notice that win rates alone are not conclusional. Therefore we provide an overview (see table Lane Outcome) where you can see the lane outcome of Pros who played Mel. The lane outcome of Mel consists of three outcomes: Win, Loss or Draw. Let's take a look of Mel lane and match outcome for specific matchups. Considering the lane outcome and the match outcome of a specific matchup, might enable you to find the right counter for Mel.
Conclusion
Analyze the available data and learn how to beat Mel. To master Mel take also a look on Mel builds and runes for Mel. Good luck, Summoner!