Kammala wannan jumla: Mafi ƙarancin matsin lamba na yanayi wanda ba a taɓa auna shi ba shine 870 hPa (0.858 atm; 25.69 inHg), wanda aka saita a ranar 12 ga Oktoba, 1979, a lokacin
Guguwar Tip a yammacin tekun Pacific. An auna ma'aunin ne ta hanyar lura da kayan aiki da aka yi daga jirgin sama na leken asiri.