Including lag-1 autocorrelation -- that is, a month's relationship to its prior or following month -- the minimum statistical significance is 64% -- up from last month's 62%.
Where will they hang their hat after this hole closes?
A more scientifically meaningful trend, like 30 years, is still a highly significant +0.16°C/decade. That's 0.9°F of warming in just 3 decades.
|Grey bar intersections with the black line (5 months in 1997) represents the "David Rose Hole," the |
period of no statistically significant warming of the HadCRUT4 temperature series