Looking at the current anomalies in the US, it appears that the unprecedented never before seen heat of March 2012 will be about the same as it was in March 1910, when CO2 was 310 ppm.
Contiguous U.S., Temperature, March 1895-2011
Looking at the current anomalies in the US, it appears that the unprecedented never before seen heat of March 2012 will be about the same as it was in March 1910, when CO2 was 310 ppm.
Contiguous U.S., Temperature, March 1895-2011