On September 2, 1935, Labor Day, the hurricane reached a peak intensity of 892 mb.
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I wonder how that measurement was made?
Quite a few accurate methods of barometer construction that don’t use electronics.
An article from that time period on the storm that discusses measurements.
I wonder how that measurement was made?
A barometer at the scene--I don't know how it could have survived--at one point read 26.35 inches of mercury, the lowest barometric pressure ever recorded on a land-based barometer. At the time, there were probably not a whole lot of metric barometers in this country, and I doubt if there were any at the scene.