The data required to compute the “ASO” average El Nino bets are now in. As readers recall, at first I was going to wait for NOAA to publish the value. But when someone found the weekly values, I decreed that the rules were that I would compute my own ASO average based on the weekly [...]
Guess what? The much anticipated Hadley monthly surface temperature anomalies are now available. I always use the NH+SH simple average. Guess what else? According to this metric, the global surface temperature anomaly September 2009 cooled relative to August 2009 dropping from0.548C to 0.457C. In contrast, GISSTemp, NOAA/NCDC, UAH and RSS all reported distinctly warmer anomalies [...]
Click to see this month's global lukewarming mugs!
