Dr. Roy Spencer’s Global Warming Blog
Roy W. Spencer, Ph.D.
Version 6.1 The global average troposphere temperature (LT) anomaly in March 2025 was +0.58 degrees. cFrom the average of 1991-2020, it will reach +0.50 degrees from the abnormality in February 2025. C
The global area average linear temperature trend for version 6.1 (January 1979 to March 2025) remains +0.15 degrees/c/ten years (+0.22 c/ten years, +0.13 c/ten years on land).
The following table lists the 30-year (1991-2020) average of 6.1 LT for the past 15 months (record highs in red).
| Year | Mo | Earth | NHEM. | Shem. | tropical | USA48 | Arctic | oersted |
| 2024 | Yang | +0.80 | +1.02 | +0.58 | +1.20 | -0.19 | +0.40 | +1.12 |
| 2024 | February | +0.88 | +0.95 | +0.81 | +1.17 | +1.31 | +0.86 | +1.16 |
| 2024 | March | +0.88 | +0.96 | +0.80 | +1.26 | +0.22 | +1.05 | +1.34 |
| 2024 | April | +0.94 | +1.12 | +0.76 | +1.15 | +0.86 | +0.88 | +0.54 |
| 2024 | possible | +0.78 | +0.77 | +0.78 | +1.20 | +0.05 | +0.20 | +0.53 |
| 2024 | June | +0.69 | +0.78 | +0.60 | +0.85 | +1.37 | +0.64 | +0.91 |
| 2024 | July | +0.74 | +0.86 | +0.61 | +0.97 | +0.44 | +0.56 | -0.07 |
| 2024 | August | +0.76 | +0.82 | +0.69 | +0.74 | +0.40 | +0.88 | +1.75 |
| 2024 | September | +0.81 | +1.04 | +0.58 | +0.82 | +1.31 | +1.48 | +0.98 |
| 2024 | October | +0.75 | +0.89 | +0.60 | +0.63 | +1.90 | +0.81 | +1.09 |
| 2024 | November | +0.64 | +0.87 | +0.41 | +0.53 | +1.12 | +0.79 | +1.00 |
| 2024 | December | +0.62 | +0.76 | +0.48 | +0.52 | +1.42 | +1.12 | +1.54 |
| 2025 | Yang | +0.45 | +0.70 | +0.21 | +0.24 | -1.06 | +0.74 | +0.48 |
| 2025 | February | +0.50 | +0.55 | +0.45 | +0.26 | +1.04 | +2.10 | +0.87 |
| 2025 | March | +0.58 | +0.74 | +0.41 | +0.40 | +1.25 | +1.23 | +1.20 |
The complete UAH global temperature report along with anomaly images of LT global grid point for March 2025 and a more detailed analysis by John Christy should be provided in the next few days.
Monthly anomalies from each area of the four deep areas we monitored by satellite will be provided in the following days at:
Lower troposphere
Middle Circle
Tropora
Lower stratosphere
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