[uticus]

it's a typo, Mar 2024 was a G3, not G4. ref https://news.ycombinator.com/item?id=39796973 and link in comments there.

[edit] i stand corrected, there was a G4 in march. sibling comment is correct. ref https://www.swpc.noaa.gov/news/severe-g4-geomagnetic-storms-...