A huge body of air that has similar temperature, humidity, and air. pressure at any given height is called an. air mass. Scientists classify air. masses according to temperature and humidity. Four major types of air. masses inï¬uence the weather in North America: maritime tropical, continental tropical, maritime polar, and continental polar. Tropical, or. warm, air masses form in the tropics and have low air pressure.
It employed 28,490 RNs in May 2013 (as per the BLS). At that time, employment per 1,000 jobs for these professionals was 17.366. According to the survey of the Bureau of Labor Statistics, the average annual and per hour registered nurse salary in Oregon was $80,440 and $38.67, respectively, in May 2013.
Later this week, we'll update our searchable database with full salary information collected through a series of records requests. At the state, the average pay for the top 25 employees is $294,000. Contrast that with the average pay among the city of Portland's 25 highest-paid workers, a comparatively paltry $189,000.Multnomah County's top employees average $176,000 per year.he 25 highest-paid employees at the state of Oregon are a dichotomous group: they're all either doctors or financial experts. That's according to records obtained by the Business Journal that include pay data for all 36,651 state employees, including part-time and contract workers.