David Whitehouse has just published an article on the Global Warming Policy Forum web site entitled “How The Recent El Nino Saved Climate Models“.

The article itself is of course straight off the GWPF’s porky pie production line, but in the small print at the bottom there is this “Shock News!”:

Finally, we must correct a mistake. In February a scientist involved in the production of the HadCRUT4 global surface temperature data set told us what January’s figure was before its official publication. It turns out they were wrong, and we have corrected the graphs accordingly. Here is HadCRUT4, with its pause and recent El Nino peak.

When the HadCRUT4 data for 2016 was complete the MET Office estimated that 0.2°C was due to the El Nino. So here is that difference.

A scientist involved in the production of the HadCRUT4 global surface temperature data set told us that once again David Whitehouse is mistaken:

The workflow is essentially the same.

— John Kennedy (@micefearboggis) March 13, 2017

Can we now expect David Rose to issue an even more abject apology in next weekend’s Mail on Sunday?