The TempLS FEM anomaly (1961-90 base) was 1.178°C in April, very slightly down from 1.182°C in March. It was still the warmest April in the record, ahead of 1.009°C in 2020. The NCEP/NCAR reanalysis base index fell by 0.077°C.
Here is the corresponding stacked graph, showing how much hotter recent months have been:
Here is the temperature map, using the FEM-based map of anomalies. Use the arrows to see different 2D projections.
As always, the 3D globe map gives better detail. There are more graphs and a station map in the ongoing report which is updated daily.
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