CDUS46 KSGX 230921 CLIONT CLIMATE REPORT NATIONAL WEATHER SERVICE SAN DIEGO, CA 221 AM PDT SUN AUG 23 2026 ................................... ...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR AUGUST 22 2026... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1998 TO 2026 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 102 1:53 PM 104 1998 95 7 103 MINIMUM 73 4:14 AM 59 2002 65 8 75 AVERAGE 88 80 8 89 PRECIPITATION (IN) YESTERDAY 0.00 0.00 2004 0.00 0.00 0.00 2005 2006 MONTH TO DATE 0.00 0.02 -0.02 0.00 SINCE JUL 1 T 0.07 -0.07 0.00 SINCE OCT 1 12.08 11.53 0.55 6.22 SINCE JAN 1 5.06 8.43 -3.37 6.07 DEGREE DAYS HEATING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE JUN 1 0 4 -4 0 SINCE JUL 1 0 0 0 0 COOLING YESTERDAY 23 15 8 24 MONTH TO DATE 406 330 76 336 SINCE JUN 1 1174 1022 152 969 SINCE JAN 1 1604 1236 368 1219 ................................................................... WIND (MPH) RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION SW (240) HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (270) HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION W (260) AVERAGE WIND SPEED 5.4 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.1 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 62 4:00 AM LOWEST 19 11:00 AM AVERAGE 41 .......................................................... THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 95 105 1998 MINIMUM TEMPERATURE (F) 65 58 2004 SUNRISE AND SUNSET AUGUST 23 2026........SUNRISE 6:18 AM PDT SUNSET 7:28PM PDT AUGUST 24 2026........SUNRISE 6:19 AM PDT SUNSET 7:26 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$