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Global Temperature Report: January 2017

Tropics cool in January; globe doesn’t Global climate trend since Nov. 16, 1978: +0.12 C per decade January temperatures (preliminary) Global composite temp.: +0.30 C (about 0.54 degrees Fahrenheit) above 30-year average for January. Northern Hemisphere: +0.27 C (about 0.49 degrees Fahrenheit) above 30-year average for January. Southern Hemisphere: +0.33 C (about 0.59 degrees Fahrenheit)…

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January 2017 Projected Temperature Anomalies from NCEP/NCAR Data

Guest Post By Walter Dnes In continuation of my Temperature Anomaly projections, the following are my January projections, as well as last month’s projections for December, to see how well they fared. Data Set Projected Actual Delta HadCRUT4 2016/12 +0.648 +0.592 -0.056 HadCRUT4 2017/01 +0.736 GISS 2016/12 +0.83 +0.81 -0.02 GISS 2017/01 +0.95 UAHv6 2016/12…

During the eighteenth and nineteenth centuries, a cool period which coincided with snowy winters and generally cool summers, the temperatures fluctuated widely but with little trend. From 1910, temperatures increased slightly until about 1950 when they flattened before a sharp rising trend began in about 1975. Temperatures in the most recent decade (years 2001-2010) were slightly higher in all seasons than the long-term average.

What do three CET reference weather stations used by the Met Office have in common?

Guest essay by Tom Barr Central England Temperature stations, long considered a benchmark, have been affected by land use change and urbanisation The answer is blindingly obvious, from above: they are all subject to considerable modern local urbanisation immediately to the North, including heated greenhouses designed to replicate a Mediterranean climate. The Met Office relies…

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2016 edges 1998 as warmest year in satellite record – by 0.02°C

Global Temperature Report: December 2016 Global climate trend since Nov. 16, 1978: +0.12 C per decade December temperatures (preliminary) Global composite temp.: +0.24 C (about 0.43 degrees Fahrenheit) above 30-year average for December. Northern Hemisphere: +0.19 C (about 0.34 degrees Fahrenheit) above 30-year average for December. Southern Hemisphere: +0.30 C (about 0.54 degrees Fahrenheit) above…