NOAA : Hiding The Decline In US Temperatures

NOAA’s measured temperature data shows April has been cooling in the US since 1930.

ScreenHunter_181 Apr. 28 06.47

Index of /pub/data/ghcn/daily/hcn/

NCDC doesn’t publish raw data, and instead published tampered data which shows a strong warming trend.

ScreenHunter_182 Apr. 28 06.47

Climate at a Glance | Time Series

Note that there are no warnings or disclaimers on that web page indicating that they have reversed the trend by altering the data.

The graph below shows the difference the raw and tampered data. They have progressively adjusted older temperatures downwards, which creates a non-existent warming trend.

ScreenHunter_180 Apr. 28 06.44

Until about ten years ago, NASA, NOAA and CRU all acknowledged that there has been no warming in the US. But that was before they started tampering with the data.


Empirical evidence does not lend much support to the notion that climate is headed precipitately toward more extreme heat and drought. The drought of 1999 covered a smaller area than the 1988 drought, when the Mississippi almost dried up. And 1988 was a temporary inconvenience as compared with repeated droughts during the 1930s “Dust Bowl” that caused an exodus from the prairies, as chronicled in Steinbeck’s Grapes of Wrath.

in the U.S. there has been little temperature change in the past 50 years, the time of rapidly increasing greenhouse gases — in fact, there was a slight cooling throughout much of the country

– James Hansen

NASA GISS: Science Briefs: Whither U.S. Climate?

February 04, 1989

Last week, scientists from the United States Commerce Department’s National Oceanic and Atmospheric Administration said that a study of temperature readings for the contiguous 48 states over the last century showed there had been no significant change in average temperature over that period. Dr. (Phil) Jones said in a telephone interview today that his own results for the 48 states agreed with those findings.

New York Times

The animation below shows how NOAA is now cooling the past – to create the impression of a non-existent warming trend.


About Tony Heller

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21 Responses to NOAA : Hiding The Decline In US Temperatures

  1. frank says:

    Thanks for the article. Some time ago I noticed the sudden jump in average US temperature of about 1.6 C in 1998 and knew it was tampered data. Few wanted to believe me. Appreciate the truth coming out.

  2. Gene says:

    We have to stop this madness.

  3. Gary D says:

    The last refuge, claim the data is tampered with. 97% of scientists and 100% of scientific organizations agree in human caused climate warming. 13950 peer-reviewed climate articles since 1991 – only 24 reject global warming. Elementary students across the world learn the difference between weather and climate. It will take more than one cold Spring to change the scientific consensus.

    • Eric Barnes says:

      The last refuge, don’t consider facts and talk about consensus and school children. Get a life. Get lost chicken little.

    • The data is tampered with. Did you actually read the article? I provided links to all of the data sources and quotes. Do you think that 80 years worth of temperature data is “weather?”

      Either show that I am incorrect, or cease your religious proclamations.

    • Andy Oz says:

      You said that already. How about telling us why NCDC adjusts the raw data temperature record? The only reason can be that it doesn’t support their CAGW hypothesis.

      Accountants get jailed for tampering with financial report numbers.

    • David, UK says:

      Come on folks. Why respond to the cut-and-paste hit-and-run troll? The “97% of scientists” bullshit has long been debunked (it was a case of cherry-picking the answers of a handful of scientists from hundreds). The only people who repeat the lie are, as I said, trolls. Ignore them.

      • David, UK says:

        Slight correction to my above comment. It was a few dozen out of about 10000 scientists.

      • Russ Ramey says:

        Once I read Michael Crichton’s “State of Fear”, I have never listened to the chicken Little political scientists again… in college geology at OSU in the 1970’s we discussed the coming cyclical ice age…from the geologic record and solar cycles it makes sense to me…the rest is all statist politics…

      • rw says:

        Moreover, the 75/77 = 97% were the published climatologists, i.e. the Team and its followers. Not too hard to get the percentage up under those circumstances.

        These were probably much the same people (Trenberth, Gleick, Hayhoe, etc) who responded to a commentary in the WSJ awhile back that was written by genuinely eminent scientists – who had somehow missed the fact that there was a consensus.

    • It is likely to take a war to change academic science’s avoidance of the truth, because they are, in my opinion, commiting criminal fraud:

      US Temperatures Have Been Falsely Adjusted According to the Level of Carbon Dioxide in the Atmosphere

    • Poptech says:

      This nonsense is completely refuted here,

      3,950 Meaningless Search Results

      In the never ending quest for alarmists to one up their incompetent friends they continue to seek out new ways to demonstrate their own computer illiteracy. Enter James Powell who in a meaningless analysis is apparently ignorant that the ‘Web of Science’ database does not have a “peer-reviewed” only filter and the existence of a search phrase in a returned result does not determine it’s context. Thus, all that can be claimed is there were 13,950 meaningless search results not “peer-reviewed scientific articles” for a query of the ‘Web of Science’ database – with 24 chosen by strawman argument.

      1. The context of how the “search phrases” were used in the results was never determined.

      2. The results are padded by not using the search qualifier “anthropogenic”.

      3. The 13,950 results cannot be claimed to be peer-reviewed as the Web of Science does not have a peer-reviewed only filter.

      4. It is a strawman argument that skeptics deny or reject there has been a global temperature increase of a fraction of a degree since the end of the little ice age.

  4. Martin says:

    Slighty O/T – just saw this BBC article about 1960’s satellite images of the poles:

    interesting stuff !

  5. Etaoin Shrdlu says:

    Can anyone name the perps and their positions? Who is in charge of NCDC?

  6. iurockhead says:

    Nice work, Steve.

    Now if only this would actually be reported in the MSM. I can dream, can’t I?

  7. Anthony Bremner says:

    I noticed in January that most of the city temperature graphs of the world had about 4 yrs of data erased that had previously shown plunging temperatures. After notifying Nasa of the problem all the websites were shut down the same day. Perhaps the temperatures could not be adjusted enough to hide the decline so someone just erased years of data. Much of the data was restored but now there are many gaps and they are not being kept up to date. Example is Kingston Jamaica where it now ends at 2004 when it used to be current data. It also used to show a huge plunge in temperature. Hopefully the new director will be an honest scientist and root out the manipulation but Nasa blamed NOAA for the data problem. It would be hard to get this government to investigate and punish this sort of activity so I have not pursued it further. Also whistleblowers are being prosecuted for espionage. The notice on the NOAA temp data website is a bit intimidating that says they are tracking you and could prosecute you just for looking at original temp data but fortunately Steven Goddard does not seem to be worried.

  8. skypilot says:

    To expect truth out of Government addicted to money, payoffs and graft ect . Is a fool’s mission.
    As long as the so called scientist. Are Dependent on Government for their Income ect the results with follow what the employer wants. Truth is not as important as the Pay check.

  9. I got interested in this topic circa 2007 and even then there was acknowledged to be no warming trend in the continental US.

  10. The Soviet Union went out of business in 1990 or so, and 90 percent of the Siberian weather stations were abandoned. Result: the low end of the curve was removed and the average temperature numbers worldwide shot up. Thats while AlGore was inventing the hocky stick.
    This entire gerfuffle is to empower the EPA, remove power and money from those who create it, and reward and payoff those who vote Democrat.

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