Ultra-violet measurements from station Boulder, SURFRAD (2009-12)

UV-b values were originally given in mW/m² and then erroneously imported in W/m² using the same numbers. The numbers have been corrected (divided by 1000) on 2017-02-09.紫外线B（UV-b）数值最初以毫瓦每平方米（mW/m²）为单位给出，后续却错误地以瓦每平方米（W/m²）为单位导入且沿用了原数值。该数据集已于2017年2月9日完成修正（将数值除以1000）。