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by jansan
2347 days ago
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Your analogy with the thermometer does not work. If you use rectal or oral measurement you will be able to detect fever, because temperature fluctuation at these locations is low if the person is healthy. With global temperatures this is different. Fluctuation is very high (for example there was snow in Cairo in 2013, but we did not have an ice age then). Therefore you need to cover many locations, and that's the problem. Global temperature data is not very good for the first half of the 20th century. |
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