wind direction 7.5 m - 10 min average

Wind direction measured at a height of 7.5 m above ground, average over 10 min interval with time label at end of bin. Direction is given clockwise from north as the direction from which the wind is blowing.本数据集涵盖地面以上7.5米高度处测得的风向数据，所有数据为10分钟间隔的统计平均值，每个统计分箱（bin）的末尾带有对应的时间标签。风向以正北为基准按顺时针方向计量，其数值代表风的来向。