# Weather Observation Station 18 Solution

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Also Visit:  Weather Observation Station 17 Solution

#### Problem

Consider P1(a, b) and P2(c, d) to be two points on a 2D plane.

• a happens to equal the minimum value in Northern Latitude (LAT_N in STATION).
• b happens to equal the minimum value in Western Longitude (LONG_W in STATION).
• c happens to equal the maximum value in Northern Latitude (LAT_N in STATION).
• d happens to equal the maximum value in Western Longitude (LONG_W in STATION).

Query the Manhattan Distance between points P1 and P2 and round it to a scale of  decimal places.

Input Format

The STATION table is described as follows:

where LAT_N is the northern latitude and LONG_W is the western longitude.

## Solution – Weather Observation Station 18

##### MySQL Code
```select Round(ABS(MIN(LAT_N) - MAX(LAT_N))
+ ABS(MIN(LONG_W) - MAX(LONG_W)),4) FROM STATION;```

#### 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.

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