In this graph, the high temperature in New York City was 81 degrees in month of November.
How do we know this?
The temperature in the City is depicted in the graph.
By visually analyzing the graph, we can see that the bar of temperature reaches around 81 degrees during the month of November. This makes it the month when the high temperature was approximately 81 degrees.
This conclusion is based on the data depicted in the graph which that shows time series of temperature fluctuations in New York City.
Therefore, the Option B is correct.
Note: The graph and complete question is attached below