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WITH Ordered AS (
SELECT LAT_N, ROW_NUMBER() OVER (ORDER BY LAT_N) AS RowNum,
COUNT(*) OVER () AS TotalRows
FROM STATION
)
SELECT ROUND(AVG(LAT_N), 4) AS Median_Latitude
FROM Ordered
WHERE RowNum IN (FLOOR((TotalRows + 1) / 2), CEIL((TotalRows + 1) / 2));
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Weather Observation Station 20
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WITH Ordered AS ( SELECT LAT_N, ROW_NUMBER() OVER (ORDER BY LAT_N) AS RowNum, COUNT(*) OVER () AS TotalRows FROM STATION ) SELECT ROUND(AVG(LAT_N), 4) AS Median_Latitude FROM Ordered WHERE RowNum IN (FLOOR((TotalRows + 1) / 2), CEIL((TotalRows + 1) / 2));