NASA GISS Tweaks the Short-Term Global Temperature Trend Upwards

SEE UPDATE 2 AT END OF POST Guest Post by Bob Tisdale GISS released its August 2014 global surface temperature data today. As I was preparing the graphs for the…

BoM's bomb on station temperature trend fiddling

From Jo Nova: BOM finally explains! Cooling changed to warming trends because stations “might” have moved! It’s the news you’ve been waiting years to hear! Finally we find out the…

USHCN Monthly Temperature Adjustments

Guest Essay By Walter Dnes There have been a number of posts on USHCN temperature adjustments, including 1, 2, 3, 4, 5 and 6. They have focused primarily on annual adjustments. Whilst looking into…

Practicing the Dark Art of Temperature Trend Adjustment

Did Federal Climate Scientists Fudge Temperature Data to Make It Warmer? Ronald Bailey of Reason Magazine writes: The NCDC also notes that all the changes to the record have gone…

GISS Hockey-Stick Adjustments

Guest Post By Walter Dnes: There have been various comments recently about GISS’ “dancing data”, and it just so happens that as GISS data is updated monthly, I’ve been downloading…

NOAA's temperature control knob for the past, the present, and maybe the future – July 1936 now hottest month again

Two years ago during the scorching summer of 2012, July 1936 lost its place on the leaderboard and July 2012 became the hottest month on record in the United States.…

Problems With The Scalpel Method

Guest Post by Willis Eschenbach In an insightful post at WUWT by Bob Dedekind, he talked about a problem with temperature adjustments. He pointed out that the stations are maintained,…

On ‘denying’ Hockey Sticks, USHCN data, and all that – part 2

In part one of this essay which you can see here, I got quite a lot of feedback on both sides of the climate debate. Some people thought that I…

On 'denying' Hockey Sticks, USHCN data, and all that – part 1

Part 2 is now online here. One of the things I am often accused of is “denying” the Mann hockey stick. And, by extension, the Romm Hockey stick that Mann…

Important study on temperature adjustments: 'homogenization…can lead to a significant overestimate of rising trends of surface air temperature.'

From the “we told you so” department comes this paper out of China that quantifies many of the very problems with the US and global surface temperature record we have…

Oh say can you see modern sea level rise from a geological perspective?

Guest post by David Middleton Experts say the IPCC underestimated future sea level rise A new study surveys 90 sea level rise experts, who say sea level rise this century…

Historical Sea Surface Temperature Adjustments/Corrections aka "The Bucket Model"…

Image Credit: Bob Tisdale – bobtisdale.wordpress.com By WUWT Regular Just The Facts The recent Adjustments/Corrections to the HadCRUT4 and CRUTEM4 Temperature Data Sets by the Met Office Hadley Centre and…