它也是有记录以来任何一个月中最大的负异常，指的是低于长期平均值的差分。
It was also the largest negative anomaly, meaning difference below the long-term average, on record for any month.
汇总：将所有值组合为一个值，例如计算总和、平均值、最小值或最大值。
Summarization: Combining all the values into a single value, such as computing a sum, average, minimum, or maximum.
注意最小值是接近还是远离最大值或平均值也是有意义的，接近意味着响应速度稳定（也意味着系统的负载可能不重）。
It is also interesting to note if the minimum range is close or far from the maximum or average values, which would imply a constant response rate (meaning the system is probably not overutilized).
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