US September temperatures peaked in 1931, and have plummeted since the 19th century.
This is particularly important, because the US is the only large area with meaningful long term temperature data.
NOAA publishes fake red maps like this one month after month – with almost all the data simply made up.
The people generating these maps are not scientists – they are crooks paid to push the global warming agenda.
via The Deplorable Climate Science Blog
September 16, 2017 at 06:42AM
Iowa Climate Science Education 