How many Olympic swimming pools of rain and snow fall on Earth every second?

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The answer

6,400 pools

About 6,400 pools. Every single second.

How to get there

1. 505,000 km³ a year = 16 million m³ per second
2. ÷ 2,500 m³
3. = about 6,400

Source: Wikipedia: Water cycle, 505,000 km³ of precipitation a year

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