Calculating average in awk based on several column conditions in csv

I currently have the following csv format, it’s much larger but I’ve taken a chunk of it for now. EV,”Houston”,”-7.0″ AB,”Boston”,”19.0″ OO,”Mystic”,”13.0″ AB,”Boston”,”-12.0″ EN,”New York City”,”9.0″ I’d like to calculate the average all positive values of the 3rd column by the first and second columns such that only entries in the second column with Houston…

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