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Global Temperature Report - June 2009

14.07.2009
The global composite temperature during June 2009 was flat, according to figures from The University of Alabama in Huntsville. Northern Hemisphere experienced a slight increase — +0.03 C (about 0.05 degrees Fahrenheit) above 20-year average for June. Meanwhile, the Southern Hemisphere was cooler by the same amount — -0.03 C (about 0.05 degrees Fahrenheit) below 20-year average for June.

Global climate trend since Nov. 16, 1978: +0.12 C per decade

June temperatures (preliminary)

Global composite temp.: ±0.00 C (about 0.00 degrees Fahrenheit) above/below 20-year average for April.

Northern Hemisphere: +0.03 C (about 0.05 degrees Fahrenheit) above 20-year average for June.

Southern Hemisphere: -0.03 C (about 0.05 degrees Fahrenheit) below 20-year average for June.

May temperatures (revised):

Global Composite: +0.05 C above 20-year average

Northern Hemisphere: +0.05 C above 20-year average

Southern Hemisphere: +0.04 C above 20-year average

(All temperature variations are based on a 20-year average (1979-1998) for the month reported.)

As part of an ongoing joint project between The University of Alabama in Huntsville, NOAA and NASA, Dr. John Christy, director of UAHuntsville's Earth System Science Center, and Dr. Roy Spencer, a principal research scientist in the ESSC, use data gathered by microwave sounding units on NOAA and NASA satellites to get accurate temperature readings for almost all regions of the Earth. This includes remote desert, ocean and rain forest areas for which reliable climate data are not otherwise available.

The satellite-based instruments measure the temperature of the atmosphere from the surface up to an altitude of about eight kilometers above sea level. Once the monthly temperature data is collected and processed, it is placed in a "public" computer file for immediate access by atmospheric scientists in the U.S. and abroad.

Neither Spencer nor Christy receives any research support or funding from oil, coal or industrial companies or organizations, or from any private or special interest groups. All of their climate research funding comes from state and federal grants or contracts.

For Additional Information:
Dr. John Christy, UAH, (256) 961-7763
john.christy@nsstc.uah.edu
Dr. Roy Spencer, UAH, (256) 961-7960
roy.spencer@nsstc.uah.edu

Dr. John Christy | Newswise Science News
Further information:
http://www.uah.edu

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