Sunday, 6 August 2017

1886. HadCrut4.

Three claims for the global historical surface temperature anomaly of the January-to-December calendar year 1886:-

1st claim.  “It could be as low as, but no lower than, -0·60ºC, or it could be as high as, but no higher than, -0·12ºC.
2nd claim. It could be as low as, but no lower than, -0·49ºC, or it could be as high as, but no higher than, -0·22ºC.
3rd claim. It could be as low as, but no lower than, -0·41ºC, or it could be as high as, but no higher than, -0·27ºC.

The monthly series of  HadCrut4 version 4·0·0·0 entails the 1st claim. The annual series  of  HadCrut4 version 4·0·0·0 entails the 2nd claim. The annual series of  HadCrut4 version 4·0·0·0decadally smoothed by the application of a 21 point binomial filter entails the 3rd claim. Alternative link for HadCrut4 version 4·0·0·0. Question: The anomaly for 1886 could be as low as, but no lower than (what number ? of degrees centigrade), or it could be as high as, but no higher than, (what number ? of degrees centigrade)? 

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