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Single running average

As a researcher at the national weather agency, you want to run more analysis on the latest temperature data and you've just learned how to do running averages. You're keen to gain new insights and show them to the rest of the team.

Your task is to calculate the running average of the lowest monthly temperatures in Hawaii in the available dataset.

This exercise is part of the course

Time Series Analysis in PostgreSQL

View Course

Exercise instructions

  • Use a window function to calculate the running average for t_monthly_min for a single weather station in Hawaii, HI.

Hands-on interactive exercise

Have a go at this exercise by completing this sample code.

-- Calculate the running average of the lowest temperates in Hawaii
SELECT
	ts.state,
	year_month,
	t_monthly_min,
    ___ AS running_avg_temp
FROM temperatures_monthly AS tm
JOIN temperature_stations AS ts 
	USING(station_id)
WHERE state = 'HI'
ORDER BY year_month;
Edit and Run Code