Dr Jeff Masters shows why siting (and instrumentation) matters – Death Valley steals all time temperature record from Libya

I had to chuckle when I read this. Dr. Jeff Masters writes about the newly discovered siting and instrumentation issues that takes away the all time temperature record from Libya.…

Sea Ice Page Upgrades, Observations and Questions

By WUWT regular “Just The Facts” In making a couple upgrades to the Sea Ice Page, I made a few observations, and a few questions arose. Firstly, several weeks ago…

A Different Take on the "Hottest Month on Record."

Guest post by David Middleton “NCDC Releases July 2012 U.S. Monthly Climate Report: July 2012 Marked the Hottest Month on Record for the Contiguous United States.” The headline was, of…

Some thoughts on radiative transfer and GHG's

Guest post by Reed Coray The following example illustrates the issues I have with reasoning often used to argue that increasing the amount of CO2 in the Earth’s atmosphere will…

New gadget: remote WiFi Temperature & Humidity Data Logger

Measurment of temperature is getting so much easier these days. Some of you may have a need for this WiFi Temperature / Humidity Data Logging Sensor, so I thought I’d…

A Big Picture Look At “Earth’s Temperature” – 2nd Quarter, 2012 – "What Global Warming Looks Like" Update

By WUWT regular “Just The Facts” In the US we are currently being bombarded with claims that “this summer is ‘what global warming looks like’” from the Associated Press and…

A Big Picture Look At “Earth’s Temperature” – Peter Gleick Edition

By WUWT regular “Just The Facts” I recently came across a January 21st, 2012 Peter Gleick article 2011 Climate Change in Pictures and Data: Just the Facts, which appears to…

Crowdsourced Climate Complexity – Compiling the WUWT Potential Climatic Variables Reference Page

By WUWT regular “Just The Facts” With the help of an array of WUWT reader comments, which began on this thread on January, 15th 2011, and grew on January 22nd,…

A Big Picture Look At "Earth's Temperature"

By WUWT regular “Just The Facts” Often in the climate debate, generalities are used to address more nuanced issues, e.g. “There is broad scientific consensus that Earth’s climate is warming…

Major flaw found in Arctic temperature reanalysis – exaggerates warming

This might put a kink in the RC posited “polar amplification of temperature” that is expected from AGW. A previous paper published in Nature (Screen & Simmonds 2010) said: The…

New paper "Climatic trends in major U.S. urban areas" quantifies the UHI effect and the impact on climate trends

There’s a new paper which quantifies the effects of the Urban Heat Island and opines on the effect of urban areas on multi-decadal surface temperature trends. It was just published…

Introducing the WUWT Global Temperature Page

By WUWT regular “Just The Facts” Our newest addition is the WUWT Global Temperature Page, which includes graphs, graphics and animations on Global Atmospheric, Surface and Ocean Temperatures, as well…

On the Divergence Between the UAH and RSS Global Temperature Records

By Dr. Roy Spencer …or, OMG! HAS UAH BEEN BOUGHT OFF BY GREENPEACE!? Over the last ten years or so there has been a growing inconsistency between the UAH and…