Cherry picking is easy

by Steve Goddard

Tamino has named me “Mr. Cherry” for picking start dates of graphs which are different from the ones he chooses to cherry pick. For instance, he considers 1975 to be the start of “the modern global warming era.”

Living up to his high standards, I declare August 16, 2010 to be the start of “the 2010 La Niña cool down”.  Since August 16, UAH channel 5 global temperatures have been dropping at a rate of 1,554 degrees per century.

See below how that plots out.

If the trend continues, the earth will reach absolute zero in about 15 years.

That’s ridiculous, of course.

But the demonstration above is based on a similar logic of picking a start date of 1975 for measuring the global temperature record.

Why pick 1975? It makes the best pie.

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August 27, 2010 2:34 am

That’s a great quote:
“If you can’t debate your opponents on the substance of the issue, crush them on the minor details.”
It echoes some others I recently stumbled across:
“If the big picture is clear enough to decide, then decide from the big picture without using a magnifying glass.” ( http://en.wikipedia.org/wiki/Blink_(book) )
and
“Distracting oneself with the weakest evidence possible, as if there was no clear-cut evidence available, is clinical d*.”
(Willard at http://www.collide-a-scape.com/2010/08/20/the-brushback/comment-page-2/#comment-15354 )

CheshireRed
August 27, 2010 2:44 am

“I declare August 16, 2010 to be the start of “the 2010 La Niña cool down”.
Look, Gooddard, it’s all well and good making woolly-minded assertions about alleged start dates, but such shoddy vagueness simply isn’t sufficient to convey the required credibility.
Now, what TIME on August 16 2010 did the cool down begin?

RR Kampen
August 27, 2010 2:45 am

I would have picked 1963.

Nick
August 27, 2010 2:45 am

Thank you for your gracious admission of defeat, Steve.

P Wilson
August 27, 2010 2:51 am

Only periods of warming count. Therefore, any cooling period, or downward trend from the cherry picked warming should be ignored. Then you can confidently declare that eg 2007 will be the hottest year on record, and that the “mild winters continue”.. If this turns out not to be the case, and that, in fact, the opposite turns out to be the case, then you can just conveniently brush the wrong predictions under the carpet and pretend that one’s knowledge is becoming better all the time.
Thats how the Met Office here in the UK bluff their way through climate science – which is not something they know much about. (Hence the need to bluff it)

hunter
August 27, 2010 3:06 am

What happened in 1975 that made that the year to start ‘modern global warming’?
Nothing.
Except the convenience of the true believer’s need for a scary graph.

Bill Tuttle
August 27, 2010 3:23 am

Jimmy Haigh: August 27, 2010 at 12:59 am
It is not so much dropping as plummeting.
This evening’s choice of desserts are cherry cobbler and plummet pudding…

wwf
August 27, 2010 3:24 am

[snip] Invalid email address – RTmod

Christopher Hanley
August 27, 2010 3:31 am

The “classical period” for climate is 30 years, as defined by the World Meteorological Organization (Wiki).
To paraphrase Mandy Rice-Davies, they would wouldn’t they.
When Hansen made his congressional testimony in the hot summer of 1988, there was absolutely no evidence of the climate responding to human CO2 forcing.
http://woodfortrees.org/plot/hadcrut3vgl/to:1987/mean:25/plot/hadcrut3vgl/from:1940/to:1987/trend

cris
August 27, 2010 3:33 am

[snip] – Invalid email address – RTmod

Rob R
August 27, 2010 3:54 am

EM Smith
Pretty much agree with you. I prefer reversal picking methods myself, generally the reversals to the minor corrections that occur within a somewhat longer trend. For me predictions of such a reversal are only good for 1 to 2 days and after that all bets are off if the market doesn’t initially go your way.

August 27, 2010 3:56 am

Right back at them !!
Great work !!
I doubt that they will get it though !!

August 27, 2010 4:06 am

richard telford
I understand exactly. Tamino’s analysis turned a 0.7/century trend into a 2.0/century trend, by cherry picking the start date.
Did CO2 somehow change its fundamental properties in 1975?

maz2
August 27, 2010 4:21 am

If is not a four-letter word, is it?
” if La Nina doesn’t blow it.”
Is this MSM report suitable for the Cherry picking file? If not, delete/ throw/stash it in the La Nina file for the record.
Here’s MSM & Environment Canada’s modeller’s guarantee:
“Phillips guarantees we won’t have a winter like last year, when it was four degrees warmer than usual.”
…-
“TORONTO — Canada is on track to have the hottest year on record by far — if La Nina doesn’t blow it.”
“Canada headed for warmest year yet
First half of year 3.5 degrees higher than normal
By PAT HEWITT The Canadian Press ”
http://thechronicleherald.ca/Canada/1198947.html

Shub Niggurath
August 27, 2010 4:53 am

“Tamino”‘s graph has a 300,000 year running average?
I put “Tamino” name in double quotes, because to my ears, it sounds like a girl name, but I am told “Tamino” is a guy.
If you google the term, it comes pre-packaged with words like ‘debunk’, ‘call out’, and the like.
I remember “Tamino” tried recovering after his *** was handed to him, twice in a row now. McIntyre and VS.

paulw
August 27, 2010 4:53 am

The link to that Tamino’s blog post is wrong. It should be
http://tamino.wordpress.com/2010/08/13/mister-cherry/
where Steve debates with Tamino in detail.

PJB
August 27, 2010 4:53 am

There once was a pundit named Goddard,
Who came down on critics, oh so hard.
His humor so dry
Made his enemies cry:
“We’re worse than you thought, so there!”

Sean Peake
August 27, 2010 4:56 am

Cherries make the best humble pie. Pass Tamino a large spoon.

Espen
August 27, 2010 5:01 am

E.M. Smith: Don’t give the warmists too good ideas, they’ll just choose the “Snowball Earth” of 716 million years ago 😉

Olaf Koenders
August 27, 2010 5:07 am

Hmm.. That looks exactly like Hansen’s recent hockey stick:
http://climateinsiders.files.wordpress.com/2010/08/hansentreends.jpg?w=510&h=369
http://climateinsiders.files.wordpress.com/2010/08/trendthroughjuly2010.png?w=510&h=393&h=393
Pretty obvious exactly what chart they’re cherry picking – the one with no recent cooling. Means to an end all over again. Now for the satellites:
http://www.drroyspencer.com/wp-content/uploads/UAH_LT_1979_thru_Jan_10.jpg
Looks pretty different eh? Hansen making up for “short” falls again. Maybe he should drive a Viper..

August 27, 2010 5:09 am

CheshireRed
Which time zone are you thinking?

August 27, 2010 5:45 am

RW says:
“You don’t understand what cherry-picking is.”
Is it like when RW picks a comment by John Hayter, and posts the same thing?

Leon Brozyna
August 27, 2010 5:47 am

Piping hot french toast lathered with cherry preserves — yummy breakfast.
Also on the menu — a heap of humor and satire; great for the mind for those that have one.

PhilJourdan
August 27, 2010 5:49 am

stevengoddard says:
August 27, 2010 at 4:06 am
Did CO2 somehow change its fundamental properties in 1975?

Of course it did! Everyone knows that. It froze from the ice age we experienced based on the prevailing wisdom of that time!

Patrick Davis
August 27, 2010 6:09 am

Well, my recollection of the ’70’s, UK in particular and during the rolling power black-outs, even 1975, was that it was very cold (Fortunately, we had an open fire). Melbourne, Vic, Australia, apparently suffered it’s coldest few days, on record, so far this week during political “negotiations” (According to an SBS newscast). I can’t find a link however. Also, heavy snows on the hills, and snow looking to continue into spring.

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