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.
The island was home to 953,207 people in 2010 (approximately 72% of the population of the state, with approximately 81% of those living in or near the Honolulu urban area). Oahu has for a long time been known as the Gathering Place. The term Oahu has no confirmed meaning in Hawaiian, other than that of the place itself.