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Global precipitation anomaly

This indicator shows annual anomalies compared with the average precipitation from 1901 to 2000 based on rainfall and snowfall measurements from land-based
weather stations worldwide.

1901201919201940196019802000World

Source: National Oceanic & Atmospheric Administration (NOAA) via the US EPA

Note: Global anomalies have been determined by dividing the world into a grid, averaging the data for each cell of the grid, and then averaging the grid cells together.