000 SXUS76 KSGX 020032 RERSGX RECORD EVENT REPORT...PRELIMINARY NATIONAL WEATHER SERVICE SAN DIEGO CA 527 PM PDT SUN OCT 01 2023 ...LOWEST MAXIMUM TEMPERATURE RECORDS BROKEN OR TIED ON OCT 01 2023 ... LOCATION NEW RECORD OLD RECORD PERIOD OF RECORD ALPINE 63 68 IN 1983 1951 BIG BEAR 45 52 IN 1983 1960 IDYLLWILD 50 54 IN 1959 1943 PALOMAR MOUNTAIN 48 53 IN 2002 1901 BORREGO 75 77 IN 2002 1965 $$