It was recently reported that 2016 was the warmest year ever. That's just not correct.
1. Temperature records only go back a little over 100 years. That means that there are about 4.6 billion other years that these reports did not consider.
2. The temperature figures for 2016 were statistically no different from those for 2015. According to the data, 2016 was on average 0.01 degrees warmer than 2015, but the margin of error was plus/minus 0.1 degree. That means there's really no way of knowing if it was warmer or colder in 2016 that in 2015.
3. The figures for the temperature date are for surface temperatures. Those are the readings that can be affected most by nearby man-made events. A weather station near New York City, for example, could register warmer temperatures due to the heat generated by all the buildings in the city. There are atmospheric temperature readings taken by satellites that were placed in orbit just to monitor global warming. That data has not been released for 2016 as of yet. Of course, that satellite system produced the data that shows that warming of the earth pretty much stopped 18 years ago and that since that time temperatures have stayed steady. (There has been some oscillation, but the trend is level temperature readings.)
There's a very clear and good analysis of all this in The Federalist. It is well worth reading.
1. Temperature records only go back a little over 100 years. That means that there are about 4.6 billion other years that these reports did not consider.
2. The temperature figures for 2016 were statistically no different from those for 2015. According to the data, 2016 was on average 0.01 degrees warmer than 2015, but the margin of error was plus/minus 0.1 degree. That means there's really no way of knowing if it was warmer or colder in 2016 that in 2015.
3. The figures for the temperature date are for surface temperatures. Those are the readings that can be affected most by nearby man-made events. A weather station near New York City, for example, could register warmer temperatures due to the heat generated by all the buildings in the city. There are atmospheric temperature readings taken by satellites that were placed in orbit just to monitor global warming. That data has not been released for 2016 as of yet. Of course, that satellite system produced the data that shows that warming of the earth pretty much stopped 18 years ago and that since that time temperatures have stayed steady. (There has been some oscillation, but the trend is level temperature readings.)
There's a very clear and good analysis of all this in The Federalist. It is well worth reading.
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