Hacker Rank SQL

Weather Observation Station 13 Solution

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Also Visit:ย  Weather Observation Station 2 Solution


 

Problem

Query the sum ofย Northern Latitudesย (LAT_N) fromย STATIONย having values greater thanย 38.7880ย and less thanย 137.2345. Truncate your answer toย 4ย decimal places.

Input Format

Theย STATIONย table is described as follows:

Field Type
ID NUMBER
CITY VARCHAR2(21)
STATE VARCHAR2(2)
LAT_N NUMBER
Long_W NUMBER

whereย LAT_Nย is the northern latitude andย LONG_Wย is the western longitude.

 

Solution โ€“ Weather Observation Station 13

MySQL Code
select round(sum(lat_n), 4) from station 
where lat_n > 38.7880 and lat_n < 137.2345;

 


Weather observations

Basic weather observation instruments include thermometers, rain gauges, barometers, and anemometers (wind speed meters).

What are the four types of weather observations?

There are four types of weather observations: surface, upper air, radar, and satellite.

What is weather observation stations?

A weather station is a facility, either on land or sea, with instruments and equipment for measuring atmospheric conditions to provide information for weather forecasts and to study the weather and climate.

Who observes weather?

A meteorologist is a physical scientist who observes, studies, or forecasts the weather.

 

 

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