The average flows in western rivers at their river inflow measurement (RIM) stations were 135.6 million acre feet (MAF) during 1976-98. However, by 1999-2022 the average had decreased to 120.8 MAF.

The Nile River is arguably the most famous river in the world. At the very least, it's been one of history's most important rivers, rivaled only by the Tigris, Euphrates, and Indus Rivers for ...