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29 January, 2014

Snow Days

  • The lightest green says “any snow” but also includes merely the prediction of snow. Also, this is snow accumulation over 24 hours/overnight.
  • In much of the Midwest and Great Plains, school closing often depends more on wind chill and temperature than on snow accumulation (“cold days”). Thus, this map may be misleading in those areas.
  • Many jurisdictions in California and other western states have significantly varied snowfall, depending on elevation. This makes it difficult to find an “average” number, or often makes it misleading.
  • Urban areas like Chicago and New York have more resources to clear snow and often need more to cause closings.
  • To everyone saying “I grew up in so-and-so and we never closed school,” policies have changed in the last 20 years to make closing a much more common occurrence. Just because schools stayed open back then doesn’t mean they do these days.
  • Hawaii does get snow! Just… not where people live.

See this map mentioned in:
The Atlantic The Washington Post NPR Huffington Post The Blaze Crain’s CBS Chicago Seattle Times Gizmodo NJ.com Business Insider

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9 Comments on "Snow Days"

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Kyle R
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just this Saturday (01/07/16) by noon Charlotte NC got a dusting in the south of the city that roads were not effected but 30 miles to the north part of the county in the same district they got 3 inches. Kids were out of school Monday and Tuesday and are going back Wednesday.

Mason
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Are you dumb? It does not take 24 inches to close the schools… not even 12 inches it only takes about 4-7 depending on timing… I live in the dark blue so your map is horrible. If anyone needs real amount email me masonhager75@gmail.com

Hans
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Mason, I’ll credit you for using your name and leaving your email address, but indirectly calling Mr. Trubetskoy “dumb” is self-defining. Have you seen half of the work he has done just on this web site? If even a very small percent of U.S. college students, much less any young adults, showed a modicum of the ingenuity and creativity he has displayed only here – lord knows how deep it goes in more formal realms – then our world would likely be in much richer (qualitative) state. Do you have homes in every school district of the dark blue? I… Read more »
Chris
Guest

That isn’t very nice… You must disagree respectfully… Geez people these days… no respect or manners for others…

Anonymous
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Why are you so mad Mason? He made this map for us that you can view for free. Great work Sasha!

occy
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thank u sasha I really appreciate it

Chris
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My schools close when there are icy roads or 2-3 inches of snow. The map seems accurate for my area, in Baltimore, maryland