A review of state-of-the-art climate data tells a different story than what NOAA tells the public. While media outlets scream “hottest ever” for the world in June and July (it’s…
Category: GHCN
France’s new ‘hottest recorded temperature ever’ is in question – guess where it was measured?
Ian Duncan writes on Facebook: ‘France has its hottest recorded temperature ever’. But they don’t mention that where it was recorded was next to a concrete drain, and a steel…
GISS Global Land-Ocean Temperature Index Vs GHCN
Guest analysis by Mark Fife This is the state of the world’s surface temperatures according to NASA’s Goddard Institute for Space Studies from 1880 through 2017. It is indeed a…
A look at the GHCN Daily Minimums Debunks a Basic Assumption of Global Warming
Guest essay by Mark Fife In today’s post on the Global Historical Climatology Data I am going to concentrate on daily minimum temperatures for long term stations in North America…
Alarmists throw in the towel on poor quality surface temperature data – pitch for a new global climate reference network
From the Journal of International Climatology and the “if you can’t beat ’em, join ’em” department. To me, this feels like vindication. For years, I’ve been pointing out just how…
New heated airport runway concept may sharply bias 'global warming' signal in the global climate monitoring network
Recent winter-weather related airport delays have become something that airport managers and airline executive want to solve. This story from NBC’s today show back in January 2018 highlights the issue…
A call for an improved global climate measurement system
From the UNIVERSITY OF COLORADO AT BOULDER and the “weather stations near heat sources aren’t measuring climate” department, something that we already have in the USA in the form of the…
Through The Looking Glass with NASA GISS
Guest essay by John Mauer One aspect of the science of global warming is the measurement of temperature on a local basis. This is followed by placing the data on a…
How not to measure temperature, British facepalm edition
I had to share this “laugh out loud” moment from Bishop Hill and the photo of this weather station. Andrew Montford writes: Settled science Much amusement is to be…
Winners and losers in the GHCN estimation derby
Guest essay by John Goetz As noted in an earlier post here, approximately 66% of the GHCN record is estimated after processing by the GHCN adjustment models. In the current…
Approximately 66% of global surface temperature data consists of estimated values
Summary of GHCN Adjustment-Model Effects on Temperature Data Guest essay by John Goetz As the debate over whether or not this year will be the hottest year ever burns on,…
Can Temperature Adjustments Right a Wrong?
Guest Post by John Goetz Adjustments to temperature data continue to receive attention in the mainstream media and science blogs. Zeke Hausfather wrote an instructive post on the Climate Etc.…
Independent Review Discovers that NCDC Fumbles Data Handling in GHCN Climate Data
Guest essay by Bob Koss Being an old retired guy with time on my hands, this summer I decided to find out just how well GHCN-Monthly follows their own methodology…
Something Detroit has in abundance – UHI
Detroit gets a lot of negative press these days, mainly because it has become a poster child for badly managed cities and decline, but it does seem to have UHI…
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…
How not to measure temperature part 95 – New temperature record of 102° in Wichita, but look where they measure it
Over at Weather Underground, they are all excited about a new monthly high temperature record. Christopher Burt writes: Wichita, Kansas Measures May Monthly High Temperature of 102° On Sunday, May…
Seattle's climate instantly cools 1.5 degrees
This is interesting, and of course it goes hand-in-hand with what I have been saying for years. Scott Sistek, of KOMO News/Weather reports: ============================================================= For several years the thermometer at…
CRU produces something useful for a change
World temperature records available via Google Earth Climate researchers at the University of East Anglia have made the world’s temperature records available via Google Earth.
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…
Claim: 'climate change' caused more deaths in Stockholm – but it may be due to flawed methodology
This is one of those publications where I look at what was done in the paper and just shake my head in disbelief. For starters, according to the data listed…
The Elusive Absolute Surface Air Temperature (SAT)
Here’s an interesting Q&A on issues with trying to determine the SAT of the Earth that I have not seen before. There’s a surprise at the end as to who…
When it comes to new high temperature records, 'shoot first, ask questions later'
Readers may recall my investigation over the weekend of an announcement by the Danish Meteorological Institute (DMI) about a new all-time high temperature record set in Greenland that was subsequently…
Nighttime heat waves on the increase in Pacific NW
More examples of the nighttime heat sink effect of UHI. Asphalt, concrete, bricks and other infrastructure holds the energy from daytime solar insolation and releases it at night as LWIR.…
Central Park in USHCNv2.5 (October 2012) magically becomes cooler in July in the Dust Bowl years
By Joseph D’Aleo, CCM Remember this story long ago on New York’s Central Park multiple very different data sets to which Steve McIntyre responded here. McIntyre wrote then: …has the…
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