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UAH Global Temperature Update for April, 2023: +0.18 deg. C

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From Roy Spencer, PhD.

May 2nd, 2023 by Roy W. Spencer, Ph. D.

The Version 6 global average lower tropospheric temperature (LT) anomaly for April 2023 was +0.18 deg. C departure from the 1991-2020 mean. This is down slightly from the March 2023 anomaly of +0.20 deg. C.

The linear warming trend since January, 1979 remains at +0.13 C/decade (+0.11 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 16 months are:

YEARMOGLOBENHEM.SHEM.TROPICUSA48ARCTICAUST
2022Jan+0.03+0.06-0.00-0.23-0.13+0.68+0.10
2022Feb-0.00+0.01-0.01-0.24-0.04-0.30-0.50
2022Mar+0.15+0.27+0.03-0.07+0.22+0.74+0.02
2022Apr+0.26+0.35+0.18-0.04-0.26+0.45+0.61
2022May+0.17+0.25+0.10+0.01+0.59+0.23+0.20
2022Jun+0.06+0.08+0.05-0.36+0.46+0.33+0.11
2022Jul+0.36+0.37+0.35+0.13+0.84+0.55+0.65
2022Aug+0.28+0.31+0.24-0.03+0.60+0.50-0.00
2022Sep+0.24+0.43+0.06+0.03+0.88+0.69-0.28
2022Oct+0.32+0.43+0.21+0.04+0.16+0.93+0.04
2022Nov+0.17+0.21+0.13-0.16-0.51+0.51-0.56
2022Dec+0.05+0.13-0.03-0.35-0.21+0.80-0.38
2023Jan-0.04+0.05-0.14-0.38+0.12-0.12-0.50
2023Feb+0.08+0.170.00-0.11+0.68-0.24-0.12
2023Mar+0.20+0.23+0.16-0.14-1.44+0.17+0.40
2023Apr+0.18+0.11+0.25-0.03-0.38+0.53+0.21

The full UAH Global Temperature Report, along with the LT global gridpoint anomaly image for April, 2023 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