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Originally posted by Rafa_Sant
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Hi Rafa,
PS: What the maximun temp swing ?
It varies with the reefs and the time span you consider. On Johnston atoll SW of Hawaii, a temperature variation of about 30 deg. F. has been measured on the reef flat on a sunny day.
In areas like Fiji, the daily variations are on the order of about 3 to 5 deg. F.
In equatorial regions they tend to be less.
Annual temperature variations also vary with latitude, less in equatorial regions, more in the high latitudes. In places like Fiji, the average monthly temperature varies about 5 to 8 degrees, in Indonesia less so.