In the 1920s, the average peak bloom date was April 5.

在20世纪20年代，平均的开花高峰期是4月5日。

This time of year is usually when the average global temperature peaks.

每年的这个时候通常是全球平均气温达到峰值的时候。

At its peak in mid-March, nearly 11% of tested specimens were positive for HMPV, a number that's about 36% higher than the average, pre-pandemic seasonal peak of 7% test positivity.

在3月中旬的高峰期，近11%的检测样本呈HMPV阳性，这一数字比大流行前7%的平均季节性峰值高出约36%。