TEHRAN, Young Journalists Club (YJC) -The report Thursday said the average global temperature in June was 1.71 degrees Fahrenheit above the 20th century average of 59.9 degrees -- the hottest in 140 years of record keeping that dates back to 1880.
NOAA gathers these numbers through a database of actual surface weather stations around the world, including about 1,200 land stations. The stations collect surface land temperatures while buoy and ship observations take ocean surface temperatures. The conclusions use the average of the combined ocean and land temperatures.
The agency's data show nine out of the top 10 hottest Junes, every year but 2011, have occurred since 2010. The month in 1998 was the eighth hottest on record, according to NOAA.