datoid

January 2007 recorded a temperature anomaly of 1.01°C, dramatically exceeding the 60-point rolling average of 0.62°C by 3.5 standard deviations. This represents the highest anomaly in the recent dataset, jumping from 0.79°C in December 2006. The spike coincides with atmospheric CO₂ reaching 431.12 ppm (up 0.6% over 3 months) and occurs during a period of economic expansion - GDP grew 1.4% quarterly while unemployment hit record lows at 4.30%. Statistical outliers of this magnitude in temperature data typically occur less than 0.1% of the time under normal conditions.