NASA published data confirms 1990, at 59.81 F (15.45 C), as the warmest year on record slightly warmer than the 59.16 F (15.09 C) recorded by both NASA and NOAA in 2023. The World Meteorology Organisation (WMO) and British Met Office had posted the same temperatures for 2023 at 15.18 C (59.32 F). The WMO declared that its 2023 average global temperature was perilously close to the dreaded 15.23 C (59.41 F), 1.5 C above the pre-industrial temperature of 13.73 C. But NASA records indicate 59.41 F was exceeded many times including: 1990, 1995, 1994, 1991 1992, 1993, 1981, 1988, 1987, 1983, 1980 and 1989..

The other, maintained by the NASA Goddard Institute for Space Studies in New York, shows the average 1995 temperature at 59.7 degrees, slightly behind 1990 as the warmest year since record-keeping began in 1866. But the difference is within the margin of sampling error, and the two years essentially finished neck and neck. Dr. Wigley was a member of a subcommittee of the United Nations panel that dealt specifically with the question of detecting a human role in climate change. The panel predicted that the heat-trapping gas emissions would cause the average global temperature, now approaching 60 degrees Fahrenheit, to rise by a further 1.8 to 6.3 degrees, a best estimate of 3.6 degrees, by 2100.

Two graphs above show the same temperature. The top graph is drawn to exaggerate warming. The two NASA graphs below have a Y axis that starts at zero giving the reader a true perception of the amount of global warming…The cutaway section of the lower graph does not show 1990 as the warmest year and does not accord with NASA records that had shown 1990, at 59.81 F, as the warmest year since record keeping began. The graph does shows the 2016 correctly but not 1990 which appears to have been deliberately reduced. You can access a larger and clearer version by going to the NASA website. Global warming has been achieved by lowering the higher temperatures of the past below that of present day as shown in the above NASA graph. Pre-industrial temperature was 13.73 C…  NOAA Climate

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WASHINGTON DC LA Times

Separate Studies Rank 1990 As World’s Warmest Year

upi.com https://www.upi.com › Archives › 1991/01/09 › Earths-…

WASHINGTON —Earth’s average surface temperature was higher in 1990 than any other year on record, possibly a sign of dreaded global warming, scientists reported Wednesday.

An analysis of data collected at 2,000 meterological stations around the globe found 1990 was warmest year in records dating back to 1880 — with temperatures averaging 59.8 degrees Fahrenheit. That represents a half-degree rise in average global temperature from 1989 and an increase of 0.8 degrees over the average from 1951 to 1980, said James Hansen, director of the NASA Goddard Institute for Space Studies in New York. The warmest previous year on record was 1988 — when temperatures averaged 59.6 degrees, he said.

That represents a half-degree rise in average global temperature from 1989 and an increase of 0.8 degrees over the average from 1951 to 1980, said James Hansen, director of the NASA Goddard Institute for Space Studies in New York.