GHCN Unadjusted Data Show Zanzibar Has Seen A Cooling Trend Since 1880!

GHCN Unadjusted Data Show Zanzibar Has Seen A Cooling Trend Since 1880!

What follows is the data from the Tanzanian Island of Zanzibar in the Indian Ocean.

Data Source

NASA’s website tells us that the GHCN V3 Unadjusted data gives the mean annual temperature up to 2007, despite the V3 dataset being updated up to July 2019, and the trend is a cooling.

Data Source

According to NASA, in the GHCN V4 dataset, the station has the mean annual temperature data after 2007, not only the data of up to 2007 from 1880.

Data Source

What is worse, the GHCN V4 Unadjusted data show Zanzibar has seen a cooling trend since 1880, but the GHCN V4 adj – homogenized show that the island has had a warming trend.

GHCN V4 Unadjusted vs. GHCN V4 adj – homogenized

I wonder just how much NASA likes data alteration?

GHCN V3 Unadjusted vs GHCN V4 Unadjusted

GHCN V4 Unadjusted vs. GHCN V4 adj – homogenized and GHCN V3 Unadjusted

 

 

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via Real Climate Science

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October 8, 2020 at 05:46PM

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