Assertion: climate's precipitation | /r/CapableOf | decrease semi-arid climate
Facets:
value: steadily
type: MANNER
Source sentences:
text: As one travels from east to west across Nebraska, South Dakota and North Dakota, average annual precipitation steadily decreases, and the westernmost counties of these states have a semi-arid climate, with about or just over 15 inches of precipitation per year, on average (see climate data for Williston, ND, Rapid City, SD and Scottsbluff, NE).