Find the id and local authority of the station with has the highest average high temperature.
CREATE TABLE weekly_weather (station_id VARCHAR); CREATE TABLE station (id VARCHAR, local_authority VARCHAR)
[SQL] SELECT t2.id, t2.local_authority FROM weekly_weather AS t1 JOIN station AS t2 ON t1.station_id = t2.id GROUP BY t1.station_id ORDER BY AVG(high_temperature) DESC LIMIT 1 [/SQL]