How not to measure temperature (or climate) #97 – California's warming air temperatures are population and site bias related

A couple of days ago, I highlighted a worst of the worst NOAA climate monitoring station in Arizona with the help of a scientist from the University of Washington. My friend Jim Goodridge, former California State Climatologist continues to be busy in his retirement, and sends this along today. He’s been tracking a group of…

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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 4th, the temperature peaked at 102° at Wichita’s official NWS site Mid-Continent International Airport. Not only was this the hottest temperature ever measured during the…

How not to measure temperature, part 93: the hottest weather station in the UK cited by the BBC has some interesting exposure

Over at Tallbloke’s Talkshop, moderator Tim Channon wondered about this regularly hot station reported in the news: An often appearing name in the BBC news as the hottest place in the country is Gravesend but the true location of the Met Office thermometer is a mystery. By chance I followed up today and discovered a…

How not to measure temperature in the GHCN, part 1

Yes, it’s back. Dr. Roger Pielke Sr.  and I have started looking at the GHCN to document the siting quality of surface stations that measure climate in the Global Historical Climatological Network (GHCN), the darling of NCDC’s Dr. Thomas Peterson who has recently added another level of processing to the mix. I’ll be offering some…

How not to measure temperature, part 92 – surrounded by science

Last week we had quite a row about temperature and temperature adjustments in Wellington New Zealand. One of the stations cited was the Kelburn district of Wellington, NZ. NIWA issued a response statement regarding the charges leveled by The NZ Climate Science Coalition here: http://www.niwa.co.nz/our-science/climate/news/all/niwa-confirms-temperature-rise They say: Warming over New Zealand through the past century…