Grammar question -- "from throughout the year"?

[Joel S. Berson]

A friend has questioned the following sentence I have crafted, as
being if not ungrammatical at least awkward:

"It is clear from the above that he read issues of these newspapers
from throughout the year; these articles [that he has discussed] come
from every month."

What say the prescriptivists on this list?  And as well, the free-thinkers?

Joel

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