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The driest of all biomes is the desert biome. Deserts are located in the warmest and coldest parts of the world. While the temperature near the equator is the warmest it doesn't always make for an ideal warm desert. Some of the biggest warm deserts are the Sahara, Arabian, Great Vitoria, and Patagonian desert. Cold derserts are very similar to warm deserts but they have much more extreme and difficult conditions that are hard to survive in. They include the Antarctic desert and the Artic desert. The climate of warm dessert can have temperatures that exceed 113°F and drop to below freezing temperatures in the winter at night. Cold deserts have short moist summers with temperatures as high as 32°F and long dry winters with temperatures as low as -110°F. Cold deserts only get 15-26cm of precipitation a year. The warm Atacama desert of Chile the rainfall is a little as 1.5cm a year, but in American deserts the precipitation is almost 28cm annually.