The area a part-circle sprinkler irrigates, expressed in degrees of a circle. For example, a 90 degree arc provides quarter-circle coverage, while an 180 degree arc provides half-circle coverage.
The United States Census Bureau estimates the population of Hawaii was 1,431,603 on July 1, 2015; an increase of 5.24% since the 2010 United States Census. As of 2014, Hawaii had an estimated population of 1,431,603; an increase of 12,042 from the previous year and an increase of 71,302 (5.24%) since 2010. This includes a natural increase of 48,111 (96,028 births minus 47,917 deaths) and an increase due to net migration of 16,956 people into the state.
Today, the island of Oahu is popularly known among locals and foreign travelers as The Gathering Place. After all, about 75% to 80% of the population of the entire state of Hawaii consists of permanent residents of Oahu. Despite the fact that it is only the third largest among the Hawaiian Islands, Oahu is indeed the most populous with more than 900,000 people living on the island.