weather-observation-station-13

Challenge: 

Query the sum of Northern Latitudes (LAT_N) from STATION having values greater than 38.7880 and less than 137.2345. 
Truncate your answer to  decimal places.

Solution: 

SELECT 
    ROUND(SUM(lat_n),4)
FROM 
    station 
WHERE 
    lat_n > 38.7880 
    AND lat_n < 137.2345;