Heavy rain that began on 1/25 and ended on 1/30 exacerbated the flooding earlier in the month. Monthly rainfall totals for January 1916 ranged from 7.56 inches at San Diego to 57.91 inches at Dorman’s Ranch (in the San Bernardino Mountains, 2,500 feet elev.). Five inches fell in less than 12 hours in San Diego. Extensive flooding occurred all over Southern California, the worst to date and it resulted in 28 total deaths in the region, 22 in San Diego County. This is the most destructive and deadly weather event in San Diego County History. The Lower Otay Dam broke sending a 40-foot wall of water downstream, killing 15. A few others drowned in Mission Valley and in the San Luis Rey River. The Sweetwater Dam also broke. Every large bridge in San Diego County but one was seriously damaged or destroyed. Four drowned in Orange County, two in a cottage floating down the Santa Ana River. Two drowned in San Bernardino County. Total damage was nearly $8 million (1916 dollars)