datoid

The February 2009 unemployment rate reached 8.30%, marking a dramatic spike 4.6 standard deviations above the 60-month average of 5.17%. This represents the steepest deterioration in the dataset, jumping from stable 4.4-4.7% levels through 2007 to this extreme outlier. The surge coincides with other economic stress signals: 10-Year Treasury yields rising 10.6% over 3 months and GDP growth slowing to 1.4%. This statistical anomaly captures a pivotal economic moment. What's notable is how rapidly this shift occurred - from 5.0% just 12 months prior to this historic deviation.