Every month University of Alabama in Huntsville climatologists John Christy and Roy Spencer publish the latest global temperature trend data obtained from NOAA satellites. For the month of July 2015 they report:
Global Temperature Report: July 2015
Global climate trend since Nov. 16, 1978: +0.11 C per decade
July temperatures (preliminary)
Global composite temp.: +0.18 C (about 0.32 degrees Fahrenheit) above 30-year average for July.
Northern Hemisphere: +0.33 C (about 0.60 degrees Fahrenheit) above 30-year average for July.
Southern Hemisphere: +0.03 C (about 0.05 degrees Fahrenheit) above 30-year average for July.
Tropics: +0.48 C (about 0.86 degrees Fahrenheit) above 30-year average for July.
UAH
UAH
Notes on data released Aug. 12, 2015:
The tropics continued to warm in July, although the areas between the tropics and both the Arctic and Antarctic regions cooled from June, said Dr. John Christy, director of the Earth System Science Center at The University of Alabama in Huntsville.
Go here to see the monthly mean satellite temperatures for the lower troposphere since 1978.
