Wednesday, September 24, 2008
Reference: Weather history at house offers insight into global warming, Bangkok Post, September 24, 2008
It is reported that temperature data taken very diligently at Mohonk, NY since 1896 show a temperature increase of 16 Centigrade degrees over 112 years, equivalent to 0.14285 Centigrade degrees per year (Weather history at house offers insight into global warming, Bangkok Post, September 24, 2008). It is likely that this report contains a typographical error. Temperature data from all weather stations in the United States are available from the USHCN (United States Historical Climatology Network) and they show that over the same period the temperature at the Mohonk weather station increased by 0.0133 Centigrade degrees per year, not 0.1428 Centigrade degrees per year as reported in the Bangkok Post. Over the same period, on average, the temperature at Rochester, NY increased 0.0056 degrees/year, at Albany, NY it decreased 0.00167 degrees/year,and at Maryland, NY it decreased 0.0074 degrees/year. Clearly it is not possible to use data from a single weather station to draw conclusions about temperature trends even in just the state of New York, much less the entire world, no matter how diligently the data were taken.