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This map shows the historic probability of there being at least a tenth of an inch of rain on July 4 based on the latest 1981-2010 U.S. Climate Normals from NOAA's National Centers for Environmental Information. Light green shows places where the probability is less than 10 percent, while dark blue shows probabilities greater than 50 percent. While the map shows the climatological probability that at least a tenth of an inch of rain will be observed on July 4, the actual conditions this year may vary widely from these probabilities because the weather patterns present will determine actual rain on the Fourth of July.
For a more detailed discussion of the historic probability of rain on the Fourth of July and how NCEI calculates it, see the Beyond the Data blog post,"Based on the climate record, where are the highest odds of rain on the Fourth of July?", by Deke Arndt, NCEI scientist.
This map shows the historic probability of there being at least a tenth of an inch of rain on July 4 based on the latest 1981-2010 U.S. Climate Normals from NOAA's National Centers for Environmental Information. Light green shows places where the probability is less than 10 percent, while dark blue shows probabilities greater than 50 percent. While the map shows the climatological probability that at least a tenth of an inch of rain will be observed on July 4, the actual conditions this year may vary widely from these probabilities because the weather patterns present will determine actual rain on the Fourth of July.
For a more detailed discussion of the historic probability of rain on the Fourth of July and how NCEI calculates it, see the Beyond the Data blog post,"Based on the climate record, where are the highest odds of rain on the Fourth of July?", by Deke Arndt, NCEI scientist.