On this day in…
1989: A major heat wave lasted from late March to mid April. On this day and on 4.7, daily high temperature records were broken at all recording stations in Southern California. Many monthly record high temperatures were set for April, including 112° at Palm Springs on 4.7, 106° at LA on this day, 104° at Riverside on this day, 103° at Escondido on 4.7, 102° at Santa Ana on this day, 101° at Tustin on this day, 98° at San Diego on this day, and 76° at Big Bear Lake on 4.7 and 4.8.