WAITANGI graphing

WALHT explain the information on a Waitangi graph.I found it hard and easy because I had to find a perfect graph Next time I would like to do this again but do a different celebration.no one wanted to interview James Busby,Most people wanted to go back and interview a Maori Chief. I wonder what they will ask.The most popular temperature prediction is 13&15 degrees. 6 people thought the temperature for 2019 Waitangi day world would look like.