The standard deviation of the water level corrected by barometric pressure decreases obviously.

该方法排除气压影响的效果较好，水位的气压校正中误差明显减小。

youdao

However, if some of these athletes break through and become part of the elite group that heads for London, suddenly their new personal best becomes their new standard, and the pressure is on them to continue to perform at that new level.

FORBES: Connect