Global warming fingerprint
	Heat waves and periods of unusually warm weather

Llasa, Tibet

Warmest June on record, 1998. Temperatures hovered above 77^oF (25^oC) for 23 days.

Reference: GISS. 1998. Goddard Institute of Space Studies. http://www.giss.nasa.gov/
data/update/csci
NCDC. 1998. National Climatic Data Center. http://www.ncdc.noaa.gov/
ol/climate/climatedata.html

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