The USDA's gardening zones shifted, this map shows you what's changed

Re:The USDA's gardening zones shifted, this map shows you wh... by DangitBobby on Monday May 13, 2024 @05:53PM (#40348941)

It's not more meaningful in Kelvin. 1 to 4 is a 300% increase and so is 200 to 800. So hearing 300% tells you absolutely nothing, without the added context of "from the previous average temperature of the region".

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Re:The USDA's gardening zones shifted, this map shows you wh... by voisin on Monday May 13, 2024 @06:26PM (#40349286)

My point is that a 4% increase in numbers on a scale where zero does not equate tot he total absence is not actually 4% hotter.

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Re:The USDA's gardening zones shifted, this map shows you wh... by smolder on Monday May 13, 2024 @07:09PM (#40349649)

Yes, it is. Percentages don't mean anything in temperature unless it is Kelvin where 0 is truly 0.

1 to 4 degrees Celsius is not a 300% increase in anything but the integer representing temp. Try that in Fahrenheit or with a negative value.

Edit: I think I initially missed your point that percentages are kind of silly to use anyway.

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Re:The USDA's gardening zones shifted, this map shows you wh... by dragonwriter on Monday May 13, 2024 @07:14PM (#40349694)

> Percentages don’t mean anything in temperature unless it is Kelvin where 0 is truly 0.

Well, technically any absolute scale: Kelvin is the most common, but Rankine has the same feature. (It just uses Fahrenheit-sized degrees instead of Celsius-sized.)

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Re:The USDA's gardening zones shifted, this map shows you wh... by smolder on Monday May 13, 2024 @07:18PM (#40349712)

I wondered if there might be others but left it up to you to correct me. :)

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