Before the satellite age started in the 1960s, data on east Pacific hurricanes was extremely unreliable.
[1] Sometime in June, a possible tropical cyclone existed south of the Mexican coast.
[2] A possible tropical cyclone was reported between Salina Cruz and Acapulco July 7.
It moved along the coast, becoming at least a tropical storm, and dissipated in the Gulf of California on August 19 or 20.
A ship reported an uncorrected barometer reading of 29.48 inHg (99.8 kPa).