I think it’s fine.

https://www.merriam-webster.com/dictionary/datums

1: plural data ˈdā-tə  ˈda-

also

ˈdä-  : something given or admitted especially as a basis for reasoning or inference

an important historical datum

This enormous expense—and considerable risk—to pick up a datum or two about geriatrics?—

Charles Krauthammer

2: plural datums, mathematics : something used as a basis for calculating or measuring

measuring the distance between datum points

… make things more efficient for those of us whose work requires a time datum.—

Robert Steinbrunn