The New RSS TLT Data is Unbelievable! (Or Would That Be Better Said, Not Believable?) A quick Introduction

In advance of my September 2018 global surface and lower troposphere temperature anomaly update, this is a very quick introduction to the new (over a year old) lower troposphere temperature anomaly data from RSS (Remote Sensing Systems)…just three graphs.

As you likely know, I haven’t published a monthly global temperature update in almost 2 years. Since then, in July 2017, RSS released their version 4.0 lower troposphere temperature (TLT) anomaly data. See the RSS webpage FAQ about the V4.0 TLT Update for more insights.

While preparing this month’s global temperature update, I downloaded the new global RSS TLT version 4.0 data for the first time and compared it to the UAH TLT data and to the three surface temperature datasets from NASA GISS, NOAA NCEI and the UKMO Hadley Centre—with all datasets starting in January 1979 and all referenced to the base years of 1981-2010. The new RSS TLT data shocked me, to say the least. (Expletives deleted.)  See Figure 1.

Figure 1

Note that, from January 1979 to October 2018, the new RSS TLT warming rate is even higher than all three surface temperature datasets. Un-flip-flopping-believable!

That prompted me to compare the global (70S-85N) RSS TLT data version 3.3 data (still available here) to the new version 4.0 data (available here). See Figure 2.  As illustrated, the new data has a noticeably higher warming rate.  I actually said, “Wow!” aloud when EXCEL produced the graph.

Figure 2

And for anyone interested, Figure 3 presents the difference between the two RSS TLT datasets with the version 3.3 data subtracted from the version 4.0 data.

Figure 3


Dr. Roy Spencer, co-author of the lower troposphere temperature anomaly dataset from UAH, published a couple of posts about the new RSS TLT data.


I have a funny feeling this post will generate a couple of comments…hmmmm probably lots of comments at WUWT. Have fun!!!

That’s it for now. I’ll publish the full monthly update very soon.  It’s almost ready.  I just have to rewrite the text for the RSS data.  Oy!  I’ll try to remain civil.


Please purchase my recently published ebooks. As many of you know, this year I published 2 ebooks that are available through Amazon in Kindle format:


Be back soon.


About Bob Tisdale

Research interest: the long-term aftereffects of El Niño and La Nina events on global sea surface temperature and ocean heat content. Author of the ebook Who Turned on the Heat? and regular contributor at WattsUpWithThat.
This entry was posted in TLT and LOST Updates. Bookmark the permalink.

35 Responses to The New RSS TLT Data is Unbelievable! (Or Would That Be Better Said, Not Believable?) A quick Introduction

  1. plazaeme says:

    Just out of curiosity I made this graph. I was looking for the closest temperature dataset to UAH and RSS. Something changes around 2002.

  2. henryp says:

    As a scientist, I must say that I only believe my own results which show we are cooling, looking at minimum temperatures:

  3. ngard2016 says:

    Bob have you looked at HAD Crut 4 data since Dr Jones’s BBC Q&A in 2010? Any comments?

    I’ve checked the HAD Crut 4 temp trends before, but it seems to have changed a lot since Phil Jones’s Q&A with the BBC in 2010, after the Climategate scandal.

    In 2010 he listed 4 warming trends since 1850 and there wasn’t much difference in the trends. The 4 trends were—-

    1860 to 1880- 0.163c dec

    1910 to 1940- 0.150 dec

    1975 to 1998- 0.166 dec

    1975 to 2009- 0.161 dec.

    Today the York Uni tool has the SAME 4 trends for Had 4 Crut at—–

    1860 to 1880- 0.156c dec lower

    1910 to 1940- 0.137 dec lower

    1975 to 1998- 0.191 dec much higher

    1975 to 2009- 0.193 dec. much higher

    So just 8 years after Jones’s BBC Q&A we see both earlier warming trends have been adjusted down and the two later trends have been adjusted up. And people wonder why we don’t trust these temp data-sets?

    And this is the temp data-set that the IPCC uses to try and convince us to waste endless billions $ for zero gain. Who are they trying to fool? And why hasn’t one of their top scientists noticed this and blown the whistle?

    Here’s Dr Jones’s 2010 BBC Q&A. See question A.

    Here’s the YORK UNI tool using HAD 4 Crut krig global.

  4. ngard2016 says:

    Sorry here’s the York uni software. I hope you can find time to look at this Bob?

  5. ngard2016 says:

    What’s landed me in moderation?

  6. Bob Tisdale says:

    ngard2016, thanks for the links. I approve all comments here. There aren’t that many.

    Sorry for the delay. I spent the day in the yard…lots of leaves this time of year, a plethora of them..


  7. nzrobin says:

    Hi Bob,
    I just thought I’d let you know that I’ve been downloading complete sets of RSS and UAH temperature data month by month for a few years now. I do this because I decided to monitor the Gosselin-Honeycutt climate bet which they agreed would be based on the average of those two series.
    I store all the spreadsheets which contain all the downloaded data in my Google Drive. Links to the downloadable spreadsheets are available at this page.
    Cheers and keep well,

  8. Bob Tisdale says:

    Thanks, Robin.

  9. Terry D. Welander says:

    Same story. Looking at data for even up to a century does not reflect what is going on
    with Earth’s climate. Only the life of Earth, over 4 billion years is a reasonable baseline
    for temperature changes and climate changes on Earth. Which means geologists who
    have studied temperature and climate changes as far back as they dare are the only
    ones with a reasonable picture of what is going on with temperature and climate. Just because the relevant data is earlier than human measurements does not change what went on before human measurements; which is important in understanding what the range of Earth climate and temperatures has been on Earth; and what humanity needs to be prepared to deal with.

  10. Pingback: September 2018 Global Surface (Land+Ocean) and Lower Troposphere Temperature Anomaly Update | Bob Tisdale – Climate Observations

  11. Pingback: September 2018 Global Surface (Land+Ocean) and Lower Troposphere Temperature Anomaly Update | Watts Up With That?

  12. Pingback: September 2018 Global Surface (Land+Ocean) and Lower Troposphere Temperature Anomaly Update |

  13. Pingback: September 2018 World Floor (Land+Ocean) and Decrease Troposphere Temperature Anomaly Replace | Tech News

  14. Hi bob i am in india, and focus on agriculture, the weather has a huge impact on crop and hence very keen to know how we can get the data sets which can help us get greater understanding of impact of weather , ie if we can get some weather data sets based on lat long etc for india

  15. Bob Tisdale says:

    ravishankar mantha, I use the KNMI Climate Explorer:

    They have a good number of datasets under the heading of “Monthly Observations” that are available by entering the latitudes and longitudes you desire.


  16. Bob Tisdale says:

    ravishankar mantha, regarding recent request,
    sorry, I don’t exchange email addresses with people I do not know.


  17. Pingback: September 2018 Global Surface (Land+Ocean) and Lower Troposphere Temperature Anomaly Update | US Issues

  18. I deeply appreciate your views. only thing is that we are trying to see how well we can use open source weather data to incorporate its impact on the Indian agricutlure. As a startup , we want to be away from paying to any large entity. We want to use your help to address the domestic agriculture issues specially since weather has a large bearing on the small farmers. Trust you would understand our challenge.

  19. Bob Tisdale says:

    ravishankar mantha, I am not the person you need.


  20. Bob Tisdale says:

    ravishankar mantha, In answer to your most recent and unpublished comment, I tried to be nice with my prior answer. Let me make this very clear.

    I will not do it. You are wasting your time pursuing me. Fine someone who is local to you to help you.


  21. Understood, point taken. my apologies, though never meant to hurt. always look forward to reading your research.

  22. Pingback: Globale Abkühlung 2018: Oktober 2018 um 0,4 Grad kälter als 2017! – wobleibtdieglobaleerwaermung

  23. Pingback: October 2018 Global Surface (Land+Ocean) and Lower Troposphere Temperature Anomaly Update | Bob Tisdale – Climate Observations

  24. Pingback: October 2018 Global Surface (Land+Ocean) and Lower Troposphere Temperature Anomaly Update |

  25. Pingback: Milder Dezember – strenger Winter? Flusspegel werden steigen! – wobleibtdieglobaleerwaermung

  26. Pingback: DWD-Klima-Horrormärchen: 2018 kann trockenstes Jahr in Deutschland werden! Nein, kann es nicht! – wobleibtdieglobaleerwaermung

  27. Pingback: Keine Heisszeit: 2018 global nur sechstwärmstes Jahr seit Beginn der Satellitenmessungen! Die globale Abkühlung seit 2016 dauert an! – wobleibtdieglobaleerwaermung

  28. Pingback: CFSv2 mit Salto rückwärts: Januar 2019 nun kalt in Europa! Weitet sich die Schneekatastrophe aus? – wobleibtdieglobaleerwaermung

  29. Pingback: Sonnenminimum und La Niña : Wie kalt wird das Jahr 2019? – wobleibtdieglobaleerwaermung

  30. Pingback: Wetterticker: Sturm am Rosenmontag 2019? – wobleibtdieglobaleerwaermung

  31. Pingback: Die Hochwasserlage Mitte März 2019 in Deutschland: Niederschlagsmengen bereits über 100 Prozent – Sturmtief „IGOR“ mit Schnee und Graupel im Anmarsch! – wobleibtdieglobaleerwaermung

  32. Pingback: Statistik: Warmer und trockener Sommer in Mitteleuropa nach einem kalten Mai und schwachem El Niño? – wobleibtdieglobaleerwaermung

  33. Pingback: Siebenschläfer 2019: Bestimmt die erste kalte Juliwoche den Rest des Sommers? – wobleibtdieglobaleerwaermung

  34. Pingback: Siebenschläfer 2020: Bestimmt die erste kühle und nasse Juliwoche den Rest des Sommers? – wobleibtdieglobaleerwaermung

Leave a Reply

Fill in your details below or click an icon to log in: Logo

You are commenting using your account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s