This can be the use of a moving average or other weight-based scheme that moderates extreme values.
这可以是使用一个移动平均量或者使用其他基于权重的模式来中和极端值。
2
An extreme winter has US gas inventories 3% below the 5-year average, yet traders are confident that supply will come roaring back once the drawdown season ends.
In bothimages, the most extreme warming, shown in red, was in the Arctic. Very few areas saw cooler than average temperatures, shown in blue in both timeperiods.