+15f, or fifteen degrees [Fahrenheit](/wiki/Fahrenheit), represents a substantial level of cold. Well below water's freezing point, this temperature contributes to the formation of [Ice](/wiki/Ice) and frost. It is a common measure in regions experiencing harsh winter conditions.
+## See also
+- [Temperature](/wiki/Temperature)
+- [Cold](/wiki/Cold)
+- [Winter](/wiki/Winter)
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