UAH Global Temperature Update for March, 2024: +0.95 deg. C

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UAH Global Temperature Update for March, 2024: +0.95 deg. C

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on - Apr 2 -

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The Version 6 global average lower tropospheric temperature (LT) anomaly for March, 2024 was +0.95 deg. C departure from the 1991-2020 mean, up slightly from the February, 2024 anomaly of +0.93 deg. C, and setting a new high monthly anomaly record for the 1979-2024 satellite period.

New high temperature records were also set for the Southern Hemisphere (+0.88 deg. C, exceeding +0.86 deg. C in September, 2023) and the tropics (+1.34 deg. C, exceeding +1.27 deg. C in January, 2024). We are likely seeing the last of the El Nino excess warmth of the upper tropical ocean being transferred to the troposphere.

The linear warming trend since January, 1979 remains at +0.15 C/decade (+0.13 C/decade over the global-averaged oceans, and +0.20 C/decade over global-averaged land).

The following table lists various regional LT departures from the 30-year (1991-2020) average for the last 14 months (record highs are in red):

YEAR	MO	GLOBE	NHEM.	SHEM.	TROPIC	USA48	ARCTIC	AUST
2023	Jan	-0.04	+0.05	-0.13	-0.38	+0.12	-0.12	-0.50
2023	Feb	+0.09	+0.17	+0.00	-0.10	+0.68	-0.24	-0.11
2023	Mar	+0.20	+0.24	+0.17	-0.13	-1.43	+0.17	+0.40
2023	Apr	+0.18	+0.11	+0.26	-0.03	-0.37	+0.53	+0.21
2023	May	+0.37	+0.30	+0.44	+0.40	+0.57	+0.66	-0.09
2023	June	+0.38	+0.47	+0.29	+0.55	-0.35	+0.45	+0.07
2023	July	+0.64	+0.73	+0.56	+0.88	+0.53	+0.91	+1.44
2023	Aug	+0.70	+0.88	+0.51	+0.86	+0.94	+1.54	+1.25
2023	Sep	+0.90	+0.94	+0.86	+0.93	+0.40	+1.13	+1.17
2023	Oct	+0.93	+1.02	+0.83	+1.00	+0.99	+0.92	+0.63
2023	Nov	+0.91	+1.01	+0.82	+1.03	+0.65	+1.16	+0.42
2023	Dec	+0.83	+0.93	+0.73	+1.08	+1.26	+0.26	+0.85
2024	Jan	+0.86	+1.06	+0.66	+1.27	-0.05	+0.40	+1.18
2024	Feb	+0.93	+1.03	+0.83	+1.24	+1.36	+0.88	+1.07
2024	Mar	+0.95	+1.02	+0.88	+1.34	+0.23	+1.10	+1.29

The full UAH Global Temperature Report, along with the LT global gridpoint anomaly image for March, 2024, and a more detailed analysis by John Christy, should be available within the next several days here.

The monthly anomalies for various regions for the four deep layers we monitor from satellites will be available in the next several days:

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