4 ms·

That site you provide (or cite) is the only one I can find that describes it that way. Every other source describes the otherway which I still think is correct

That site you provide (or cite) is the only one I can find that describes it that way. Every other source describes the otherway which I still think is correct: NOAA: http://www.srh.noaa.gov/ffc/?n=pop http://www.srh.noaa.gov/ffc/?n=pop http://www.usatoday.com/weather/resources/askjack/wadefine.htm http://www.usatoday.com/weather/resources/askjack/wadefine.h... http://en.wikipedia.org/wiki/Probability_of_precipitation http://en.wikipedia.org/wiki/Probability_of_precipitation

mhurron 14y ago
Even those links state the PoP is a measure of the chance that it will happen at all. That is the historical measurement.
- wtvanhest 14y ago
  No, that is the simplified explanation of how the average person should think about it. We are talking about the definition and a possible way to get the odd results the OP mentioned observing.