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 June 2015 they report:
Global Temperature Report: June 2015
In the tropics, 2nd warmest month since 2010
Global climate trend since Nov. 16, 1978: +0.11 C per decade
June temperatures (preliminary)
Global composite temp.: +0.31 C (about 0.56 degrees Fahrenheit) above 30-year average for June.
Northern Hemisphere: +0.36 C (about 0.65 degrees Fahrenheit) above 30-year average for June.
Southern Hemisphere: +0.26 C (about 0.47 degrees Fahrenheit) above 30-year average for June.
Tropics: +0.46 C (about 0.83 degrees Fahrenheit) above 30-year average for May.
Notes on data released July 1, 2015:
With the tropical atmosphere responding to the El Niño Pacific Ocean warming event during the past few months, temperatures in the tropics rose to their second warmest anomaly for any month since the El Niño of 2010, said Dr. John Christy, director of the Earth System Science Center at The University of Alabama in Huntsville.