INCONSISTENCIES ON NOAA DATA ABOUT TEMPERATURE ANOMALIES
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Published on July 27, 2007. Updated on August 2nd, 2007
I have plotted the upper graph in accordance with the report published on the NOAA official page. The lower graph is plotted in accordance with the satellite data published by the  University of Alabama. Please, compare the two graphs to discover the differences between them (if you cannot visualize the graphs correctly, click on either of them to see a larger image). Once you have finished examining them, read the explanation on the differences below the scheme.
Notice the differences? The differences are:

1- In the first graph, plotted according to NOAA records, the maximum variation throughout 1990 was 0.6204 °C, in March. However, in the second graph, drawn from satellite data, the maximum variation for 1990 happened in November and was 0.322 °C. Almost half the anomaly claimed by NOAA.

2- In the first graph, maximum variation throughout 1998 -considered the warmest year of the century -was 0.8179 °C, in February. However, the satellite data indicate that the maximum variation for 1998 occurred in April and was 0.786 °C.

3- In the first graph, 2007 is warmer than 1998 and reached a maximum variation of 0.8330 °C in January. However, the satellite data indicate that the maximum variation in 2007 also occurred in January but was no higher than 0.537 °C.

4- Looking at the first graph, we see that the 2007 anomaly exceeds the 1998 anomaly as far as the deviation of the median in the tropospheric temperature. The ascending blue line of the temperature fluctuations achieves higher levels in the graph area than the blue line plotted from satellite data.

5- The dashed red line in both graphs represent the interpolated polynomial trend. In the first graph based on NOAA data, the interpolated polynomial tendency is frankly ascending, without flat or descendent portions. This situation cannot occur with tropospheric temperatures in the real world. However, the interpolated polynomial tendency from the satellite data shows a reduction between 1981 and 1987 and becomes smooth or plane between 1999 and 2007. This tendency agrees perfectly with the polynomial tendency interpolated from the measurements taken from globes and measurements taken from rural stations.

My question is about the reasons of NOAA for trying to twist the real data, releasing non reviewed and tendentious information to the public access. Some people have said that we falsify data, which is a blatant lie. With this evidence on hand, tell us, who is really falsifying data? See a scheme with the two plots superimposed.

Nasif Nahle
Owner

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Graph 1
Graph 2
Nasif Nahle
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External Links:

Dr. Craig Loehle's article on temperature deviation for the last 2000 years
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Science Magazine
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Informath
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Cirrus Disappearance
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Climate Audit by Dr. Steve McIntyre et al.
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Lubos Blog
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Informath.org
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NYAS
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NASA
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