noun
by month; monthly breakdown
Used to categorize or organize data, schedules, or items according to each month. Often appears in compound expressions like 月別データ (monthly data) or 月別カレンダー (monthly calendar).
売上を月別に集計する。
We tally sales by month.
月別の支出をグラフにまとめた。
I compiled the monthly expenses into a graph.