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+0.12 deg. C (new base period) « Roy Spencer, PhD

UAH Global Temperature Update for January 2021: +0.12 deg. C (new base interval)

February 2nd, 2021 by Roy W. Spencer, Ph. D.

The Version 6.0 international common decrease tropospheric temperature (LT) anomaly for January, 2021 was +0.12 deg. C, down just a little from the December, 2020 worth of +0.15 deg. C. NOTE: We have modified the 30-year averaging interval from which we compute anomalies to 1991-2020, from the outdated interval 1981-2010. This change doesn’t have an effect on the temperature tendencies.

The linear warming pattern since January, 1979 stays at +0.14 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) common for the final 13 months are:

YEAR MO GLOBE NHEM. SHEM. TROPIC USA48 ARCTIC AUST 
2020 01 0.42 0.44 0.41 0.52 0.57 -0.22 0.41
2020 02 0.59 0.74 0.45 0.63 0.17 -0.27 0.20
2020 03 0.35 0.42 0.28 0.53 0.81 -0.96 -0.04
2020 04 0.26 0.26 0.25 0.35 -0.70 0.63 0.78
2020 05 0.42 0.43 0.41 0.53 0.07 0.83 -0.20
2020 06 0.30 0.29 0.30 0.31 0.26 0.54 0.97
2020 07 0.31 0.31 0.31 0.28 0.44 0.26 0.26
2020 08 0.30 0.34 0.26 0.45 0.35 0.30 0.25
2020 09 0.40 0.41 0.39 0.29 0.69 0.24 0.64
2020 10 0.38 0.53 0.22 0.24 0.86 0.94 -0.01
2020 11 0.40 0.52 0.27 0.17 1.45 1.09 1.28
2020 12 0.15 0.08 0.22 -0.07 0.29 0.43 0.13
2021 01 0.12 0.34 -0.09 -0.08 0.36 0.49 -0.52

The full UAH Global Temperature Report, together with the LT international gridpoint anomaly picture for January, 2021 ought to be obtainable inside the subsequent few days right here.

The international and regional month-to-month anomalies for the varied atmospheric layers we monitor ought to be obtainable within the subsequent few days on the following areas:

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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