Definition of "hourly"

The [four] motors have a continuous rating of 144 h.p. and an hourly output of 180 h.p., giving a total hourly rating of 720 h.p. compared with the six-motored "Arlecchino's" 994 h.p.

1961 November, D. W. Beadle, “New long-distance electric units for the Italian State Railways”, in Trains Illustrated, page 671

This service has suffered badly from Department for Transport-inspired cuts which reduced it from hourly to two-hourly. This, coupled with regular cancellations, has rendered the train service between the area's two biggest towns almost unusable.

2022 November 2, Paul Bigland, “New trains, old trains, and splendid scenery”, in RAIL, number 969, page 57

Commencement of a two-hourly service pattern by GWR marked the return of regular services to Okehampton for the first time since their withdrawal in 1972. There are plans to extend this to hourly.

2022 January 12, “Network News: Thousands savour Okehampton visit”, in RAIL, number 948, page 11