UAH Global Temperature Update: 2022 was the 7th Warmest of 44-Year Satellite Record

January 3rd, 2023 by Roy W. Spencer, Ph.D. D.

December of 2022 finished the year with a global tropospheric temperature anomaly of +0.05 deg. C above the 1991-2020 average, which was down from the November value of +0.17 deg. C.

The average anomaly for the year was +0.174 deg. C, making 2022 the 7th warmest year of the 44+ year global satellite record, which started in late 1978. Continuing La Nina conditions in the Pacific Ocean have helped to reduce global-average temperatures for the last two years. The 10 warmest years were:

  • #1 2016 +0.389
  • #2 2020 +0.358
  • #3 1998 +0.347
  • #4 2019 +0.304
  • #5 2017 +0.267
  • #6 2010 +0.193
  • #7 2022 +0.174
  • #8 2021 +0.138
  • #9 2015 +0.138
  • #10 2018 +0.090

The linear warming trend since January, 1979 continues at +0.13 C/decade (+0.12 C/decade over the global-averaged oceans, and +0.18 C/decade over global-averaged land).

Various regional LT departures from the 30-year (1991-2020) average for the last 24 months are:

Years MO GLOBE NHEM. shem. tropical USA48 ARCTIC AUST
2021 Jan +0.13 +0.34 -0.09 -0.08 +0.36 +0.50 -0.52
2021 February +0.20 +0.32 +0.08 -0.14 -0.65 +0.07 -0.27
2021 March -0.00 +0.13 -0.13 -0.28 +0.60 -0.78 -0.79
2021 April -0.05 +0.06 -0.15 -0.27 -0.01 +0.02 +0.29
2021 May +0.08 +0.14 +0.03 +0.07 -0.41 -0.04 +0.02
2021 June -0.01 +0.31 -0.32 -0.14 +1.44 +0.64 -0.76
2021 July +0.20 +0.34 +0.07 +0.13 +0.58 +0.43 +0.80
2021 August +0.17 +0.27 +0.08 +0.07 +0.33 +0.83 -0.02
2021 September +0.26 +0.19 +0.33 +0.09 +0.67 +0.02 +0.37
2021 October +0.37 +0.46 +0.28 +0.33 +0.84 +0.64 +0.07
2021 November +0.09 +0.12 +0.06 +0.14 +0.50 -0.42 -0.29
2021 December +0.21 +0.27 +0.15 +0.04 +1.63 +0.01 -0.06
2022 Jan +0.03 +0.06 -0.00 -0.23 -0.13 +0.68 +0.10
2022 February -0.00 +0.01 -0.02 -0.24 -0.04 -0.30 -0.50
2022 March +0.15 +0.27 +0.02 -0.07 +0.22 +0.74 +0.02
2022 April +0.26 +0.35 +0.18 -0.04 -0.26 +0.45 +0.61
2022 May +0.17 +0.25 +0.10 +0.01 +0.59 +0.23 +0.19
2022 June +0.06 +0.08 +0.04 -0.36 +0.46 +0.33 +0.11
2022 July +0.36 +0.37 +0.35 +0.13 +0.84 +0.56 +0.65
2022 August +0.28 +0.32 +0.24 -0.03 +0.60 +0.50 -0.00
2022 September +0.24 +0.43 +0.06 +0.03 +0.88 +0.69 -0.28
2022 October +0.32 +0.43 +0.21 +0.04 +0.16 +0.93 +0.04
2022 November +0.17 +0.21 +0.12 -0.16 -0.51 +0.51 -0.56
2022 December +0.05 +0.13 -0.03 -0.35 -0.21 +0.80 -0.38

The full UAH Global Temperature Report, along with the LT global gridpoint anomaly image for December, 2022 should be available within the next several days here,

The global and regional monthly anomalies for the various atmospheric layers we monitor should be available in the next few days at the following locations:

Lower Troposphere:

http://vortex.nsstc.uah.edu/data/msu/v6.0/tlt/uahncdc_lt_6.0.txt

Mid-Troposphere:

http://vortex.nsstc.uah.edu/data/msu/v6.0/tmt/uahncdc_mt_6.0.txt

Tropopause:

http://vortex.nsstc.uah.edu/data/msu/v6.0/ttp/uahncdc_tp_6.0.txt

Lower Stratosphere:

http://vortex.nsstc.uah.edu/data/msu/v6.0/tls/uahncdc_ls_6.0.txt

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