Assertion: polar desert | /r/HasProperty | area
Facets:
value: with annual precipitation
type: OTHER
Source sentences:
text: A polar desert is an area that has precipitation of less than 25 cm (9.84 in) each year, and an average temperature of under 10 °C during its warmest month.
text: Polar deserts are areas with annual precipitation less than 250 millimeters and a mean temperature during the warmest month of less than 10° C. Polar deserts on the Earth cover nearly 5 million square kilometers and are mostly bedrock or gravel plains.