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Old 04-24-2017, 04:48 PM
Chronos Chronos is online now
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Join Date: Jan 2000
Location: The Land of Cleves
Posts: 74,581
Best I can interpret is that the all-day number is the probability that it'll be raining at any randomly-selected point during the day. Thus, if it were known with 100% certainty that 100% of the area would be dry all morning, and rain from the stroke of noon to the end of the day, then the daily number would be 50%.

But then, that interpretation is inconsistent with the numbers in post #8.
Time travels in divers paces with divers persons.
--As You Like It, III:ii:328
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