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by emj 2350 days ago
It's probably ok but you could look at the source data and be more specific, averages and base indexes can play tricks on the visualization. From the video:

https://data.giss.nasa.gov/gisstemp

Data source NASA GISS, GISTEMP Land-Ocean Temprature Index (LOTI), ERSSTv5, 12000km square smoothing.

Average of monthly temprature anaomolies. GISTEMP base period 1951-1980.