Comparing USCRN and nClimDiv to USCHN

By Andy May Steven Mosher complained about my previous post on the difference between the final and raw temperatures in the conterminous 48 states (CONUS) as measured by NOAA’s USCHN.…

‘Hidden’ NOAA temperature data reveals that 6 of the last 9 months were below normal in the USA – and NOAA can’t even get June right

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…

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…

What’s Wrong With The Surface Temperature Record? Guest: Dr. Roger Pielke Sr.

Dr. Roger Pielke Sr. joins me on a podcast to discuss the surface temperature record, the upcoming IPCC report, and climate science moving forward. Dr. Roger Pielke Sr. explains how…

New app delivers automated local weather feeds on Bitcoin SV chain

From COINGEEK A new app has been launched for recording local weather and climate data on the Bitcoin SV (BSV) blockchain, in the latest example of an app developer using…

New paper: Urbanization has increased minimum temperatures 1.7K in the UK

From the Royal Meteorological Society. (h/t to reader NJSnowFan) How much has urbanisation affected United Kingdom temperatures? Ian L. M. Goddard, Simon F. B. Tett Abstract This study aims to…

How to make use of the world’s most accurate surface temperature data

Steve, in Seattle writes: I began this project out of both frustration and a specific curiosity. I have, over the years, studied many excellent articles at WUWT. The articles that…

In the wake of the #CampFire comes….a fire sale

While not a direct casualty of the #CampFire …that event was the trigger. As many of you know, I’ve stepped away from the day-to-day operations of WUWT, and Charles The Moderator aka…

Another failure of peer review, due to corrupt temperature data from a single station

UPDATED – see note below. This appeared in Eurekalert a couple of weeks ago. The headline, at first glance, looks like good news, right? “Global warming” is killing off tsetse flies,…

Laughable weather station maintenance causes highest ever temperature record in Spain

h/t to Dr. Ryan Maue In Spain, Paco Eslava García has been following my lead on the poor quality of weather stations that produce record-high temperatures. I recently pointed out how the…

Death Valley’s “hottest month ever” was likely a product of nearby solar panels and RV’s

The environment around the weather station used to measure the official temperature changed dramatically in the past few years. There’s this headline circulation in the news, thanks to the Associated…

The all time record high temperatures for Los Angeles are the result of a faulty weather stations and should be disqualified

With those hot weather records in Los Angeles being set, it’s important to remember where measurements are taken. I’ve done an investigation and found that every “all time high” reported…

Ouargla, Africa – Washington Post promotes another potentially bogus “all time high” temperature record

From the “anything hot goes” department and the Washington Post’s Capital Weather Gang comes this pronouncement of an all-time high temperature record that may be little more than wishful thinking,…

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…

The Trials and Tribulations of Operating a Personal Weather Station

Guest essay by Andi Cockroft I wish I had read Anthony’s excellent article “Thinking of buying a weather station for Christmas? Read this first.” published late last year. Then again,…

Thinking of buying a weather station for Christmas? Read this first.

Many readers of WUWT have an interest in weather, and specifically temperature. This being “Black Friday”, I thought I’d spend a few minutes talking about some of the home weather…

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…

What do three CET reference weather stations used by the Met Office have in common?

Guest essay by Tom Barr Central England Temperature stations, long considered a benchmark, have been affected by land use change and urbanisation The answer is blindingly obvious, from above: they…

@NOAA data demonstrates that 2016 was not the 'hottest year ever' in the USA

Today, there’s all sorts of caterwauling over the NYT headline by Justin Gillis that made it above the fold in all caps, no less:  FOR THIRD YEAR, THE EARTH IN…

New USGS study shows heat retaining concrete and asphalt have encroached upon US Climate Stations

A new study from USGS by Keven Gallo and George Xian verifies what we’ve already learned and published on via the Surface Stations project; that concrete and asphalt (aka impervious surfaces)…