Excerpt:
A meteorologist friend came across this CPC section on seasonal and annual trends. He quickly noted that they chose a date to start the trend that showed the maximum possible trend results.
You will notice that the trends are for the period from 1976 to 2005. They start at the time of the Great Pacific Climate Shift to the PDO warm mode in 1976-77. Had they done the trend over the whole period of record back in the warm peak in the 1930s (notice for temperature base period they started in 1941), they would have seen little trend.
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