What is the exact definition of QPF?

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In reference to data received with the hourly weather API, it is not clear what the exact definition of QPF is.
I know that it is the quantitative precipitation forecast, but over what time period is this for? E.g. if receiving data for 2pm, is it the total mm of precipitation to accumulate in the hour after that time (2-3pm)?
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Rich Johnson

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Posted 4 months ago

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