Assertion: cyclone's pressure | /r/HasProperty | about 1,012 millibars
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Source sentences:
text: In a mature cyclone, the pressure at the center at sea level may drop to 960–950 millibars (1 bar = 105 newtons/m2) and occasionally down to 930–920 millibars; the average pressure at sea level is about 1,012 millibars.