Tag Archives: Temperature record

Boulder Escapes Global Warming

Guest post by Sam I. Outcalt Abstract: The historic record of the mean annual air temperature record at Boulder does not display the major “global” climate transitions detectable in the total annual precipitation record. Hurst ReScaling is demonstrated to be … Continue reading

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Posted in Climate data, Weather_stations | Tagged , , , , , | 32 Comments

Preliminary comments on Hausfather et al 2013

There’s a new paper out today, highlighted at RealClimate by Hausfather et al titled Quantifying the Effect of Urbanization on U.S. Historical Climatology Network Temperature Records and published (in press) in JGR Atmospheres. I recommend everyone go have a look … Continue reading

Posted in Climate data, UHI, Watts et al 2012 | Tagged , , , | 106 Comments

Hansen’s NASA GISS – cooling the past, warming the present

The Climate of Gavin: How GISS Have Changed The Temperature Record Since 2008 Guest post by Paul Homewood I ran a post yesterday, showing how the latest version of GISSTEMP had changed from using Hadley/Reynolds to ERSST for ocean temperatures, with … Continue reading

Posted in Gavin Schmidt, James Hansen, NASA GISS | Tagged , , , , , , , | 67 Comments

Unique paper looks for natural factors in station data–shows significant probabilities of natural signal

Since we have been paying a lot of attention to the surface record given the recent revelations surrounding the adjustments to data and NOAA’s release of the State of the Climate  Report claiming that the USA had the hottest year … Continue reading

Posted in Climate data, UHI | Tagged , , , , , , | 51 Comments

Circularity of homogenization methods

Guest post by David R.B. Stockwell PhD I read with interest GHCN’s Dodgy Adjustments In Iceland by Paul Homewood on distortions of the mean temperature plots for Stykkisholmur, a small town in the west of Iceland by GHCN homogenization adjustments. … Continue reading

Posted in Climate data, GHCN, Weather_stations | Tagged , , , , , | 137 Comments

Is this what global warming looks like? Over 2000 new low temperature records set in October

In the continental USA, there were 137 high temperature type records versus 857 low temperature type records this past week , a 6-1 difference. Last week there were 1154 low temperature type records putting the two week total for October at 2011. There … Continue reading

Posted in records, snowfall, Temperature, Weather | Tagged , , | 55 Comments

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. Let’s hope it doesn’t cause any riots. Masters writes: As … Continue reading

Posted in records, Temperature | Tagged , , , , , , , , , | 100 Comments

Lies, Damn Lies, and Anoma-Lies

Anomalies are unsuitable measure of global temperature trends Guest post by David M. Hoffer An anomaly is simply a value that is arrived at by comparing the current measurement to some average measurement.  So, if the average temperature over the … Continue reading

Posted in Climate data | Tagged , , | 159 Comments

July was also the 329th consecutive month of positive upwards adjustment to the U.S. temperature record by NOAA/NCDC

I’ve noticed there’s a lot of frenetic tweeting and re-tweeting of this “sound bite” sized statement from this Climate Central piece by Andrew Freedman. July was the fourth-warmest such month on record globally, and the 329th consecutive month with a … Continue reading

Posted in Climate data, Weather_stations | Tagged , , , , , , | 154 Comments

Detecting regime shifts in climate data – the modern warming regime ended in 1997

The Analysis of the Global Change using Hurst Re Scaling S.I.Outcalt : Emeritus Professor of Physical Geography, University of Michigan Abstract: Three data sets used to document the case for anthropogenic global warming were analyzed using Hurst Rescaling. The analysis … Continue reading

Posted in Climate data | Tagged , , | 92 Comments

May UAH Global Temperature – unchanged

UAH Global Temperature Update for May 2012: +0.29°C By Dr. Roy Spencer The global average lower tropospheric temperature anomaly for May 2012 (+0.29 °C) changed little from April (+0.30 °C), with some warming to near-average temperatures in the tropics being … Continue reading

Posted in Climate data | Tagged , , , , , , , | 56 Comments

An analysis of the Central Netherlands Temperature record

Many readers are familiar with the Central England Temperature Record (CET), now Frank Lansner investigates the Central Netherlands Temperature Record (CNT). Long, but enlightening. – Anthony Guest post by Frank Lansner Instead the KNMI has decided only to make available … Continue reading

Posted in Climate data, Weather_stations | Tagged , , | 135 Comments

UAH Global temperature, up in April

UAH Global Temperature Update for April 2012: +0.30°C By Dr. Roy Spencer The global average lower tropospheric temperature anomaly increased again in April, 2012, to +0.30°C., with warming in both Northern and Southern Hemispheres, but slightly cool conditions persisting in … Continue reading

Posted in Climate data | Tagged , , , , , , , | 101 Comments

Roy Spencer’s UAH report for March

See also Dr. Christy’s report from yesterday here UAH Global Temperature Update for March 2012: +0.11 deg. C By Dr. Roy Spencer The global average lower tropospheric temperature anomaly jumped up in March, 2012, to +0.11 deg. C. as La … Continue reading

Posted in Climate data | Tagged , , , , | 35 Comments

Global annualized temperature – “full of [snip] up to their eyebrows”

Guest Post by Dr. Robert Brown, Physics Dept. Duke University [elevated from comments] Dr. Brown mentions “global temperature” several times. I’d like to know what he thinks of this. Dr. Brown thinks that this is a very nice piece of … Continue reading

Posted in Climate data, Opinion | Tagged , , , , , , , | 224 Comments

Bitter cold records broken in Alaska – all time coldest record nearly broken, but Murphy’s Law intervenes

Jim River, AK closed in on the all time record coldest temperature of -80°F set in 1971, which is not only the Alaska all-time record, but the record for the entire United States. Unfortunately, it seems the battery died in … Continue reading

Posted in records, Weather, Weather_stations | Tagged , , , , , | 380 Comments

Santer’s “17 years needed for a sign of climate change” compared against the IPCC models

I recently covered a press release from Dr. Ben Santer where it was claimed that: In order to separate human-caused global warming from the “noise” of purely natural climate fluctuations, temperature records must be at least 17 years long, according … Continue reading

Posted in IPCC, Modeling | Tagged , , , , , , , | 101 Comments

Aurora Borealis and surface temperature cycles linked

Dr. Roger Pielke Sr. writes about a new paper from Nicola Scafetta.: New Paper “A Shared Frequency Set Between The Historical Mid-Latitude Aurora Records And The Global Surface Temperature” By N. Scafetta 2011 A new paper has just appeared Nicola Scafetta … Continue reading

Posted in Astronomy, Climate data | Tagged , , , , , | 796 Comments