Category Archives: Climate Change

Global Rainfall

Has rainfall increased or decreased with rising temperatures? NCDC Daily contains the raw precipitation measurements from about 100,000 weather stations back to 1780. I put my computer  (iMAC-i7) to calculate this , but it took a week of CPU time!  Here … Continue reading

Posted in AGW, climate science | Tagged | 9 Comments

19th Century Volcanic Eruptions

There is clear evidence of a cooling effect in the GHCN-Daily data resulting from large volcanic eruptions during the 19th and 18th century.  If an eruption of a similar size to Tambora were to occur today it would (temporarily) cancel … Continue reading

Posted in Climate Change, climate science, UK Met Office | 9 Comments

GHCN-Daily Temperature Anomaly Results

Shown below are my new Global land temperature anomalies calculated directly from daily  temperature measurements of over 35300 weather stations (NCDC-Daily) compared to Berkeley Earth. The NCDC-Daily archive extends back to 1762, although coverage then is mostly restricted to central … Continue reading

Posted in AGW, Climate Change | 7 Comments