The storm system, which was powered by the remnants of Melor, became one of the most intense storms to impact the state of California during October on record. Numerous locations recorded rainfall in excess of in a 24-hour span, with a maximum of falling at Mining Ridge, Monterey County. This amount surpassed the previous rainfall record from a tropical cyclone or its remnants in the state by nearly . Hurricane Kathleen in 1976 held the record prior to Melor, producing a maximum of at San Gorgonio Mountain. In San Francisco, an all-time record was set of in a 24-hour span, greater than any other total since records began in 1849. At higher elevations, significant amounts of snow fell; exact totals are not known, but estimated to be at least several feet. Strong winds also accompanied the record rainfall. Hurricane-force wind gusts, recorded up to , were associated with Melor's remnants. Similar winds were likely felt in higher elevations, resulting in blizzard conditions. Although the rainfall was record-breaking, it significantly helped to alleviate one of California's worst droughts on record, spanning several years. Rainfall from the storm system also helped extinguish several wildfires that were burning in California at that time, including the large Station Fire. At San Marcos Pass, rainfall from the storm surpassed the all-time record October rainfall in a single day, with falling at the pass.