CDUS46 KSGX 220918 CLIONT CLIMATE REPORT NATIONAL WEATHER SERVICE SAN DIEGO, CA 218 AM PDT SAT AUG 22 2026 ................................... ...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR AUGUST 21 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 2:10 PM 103 2020 95 7 103 2025 MINIMUM 75 6:23 AM 57 2011 65 10 74 AVERAGE 89 80 9 89 PRECIPITATION (IN) YESTERDAY 0.00 0.23 2023 0.00 0.00 0.00 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 24 15 9 24 MONTH TO DATE 383 315 68 312 SINCE JUN 1 1151 1007 144 945 SINCE JAN 1 1581 1221 360 1195 ................................................................... WIND (MPH) RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION W (250) HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (260) HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (270) AVERAGE WIND SPEED 6.8 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.3 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 64 5:00 AM LOWEST 20 3:00 PM AVERAGE 42 .......................................................... THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 95 104 1998 MINIMUM TEMPERATURE (F) 65 59 2002 SUNRISE AND SUNSET AUGUST 22 2026........SUNRISE 6:17 AM PDT SUNSET 7:29 PM PDT AUGUST 23 2026........SUNRISE 6:18 AM PDT SUNSET 7:28PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$