CDUS46 KSGX 190955 CLIONT CLIMATE REPORT NATIONAL WEATHER SERVICE SAN DIEGO, CA 255 AM PDT TUE AUG 19 2025 ................................... ...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR AUGUST 18 2025... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1998 TO 2025 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 93 2:51 PM 108 2020 95 -2 94 MINIMUM 62 5:56 AM 59 2009 65 -3 63 AVERAGE 78 80 -2 79 PRECIPITATION (IN) YESTERDAY 0.00 T 2021 0.00 0.00 0.00 MONTH TO DATE 0.00 0.02 -0.02 T SINCE JUL 1 0.00 0.07 -0.07 T SINCE OCT 1 6.22 11.53 -5.31 17.64 SINCE JAN 1 6.07 8.43 -2.36 16.29 DEGREE DAYS HEATING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE JUN 1 0 4 -4 2 SINCE JUL 1 0 0 0 0 COOLING YESTERDAY 13 15 -2 14 MONTH TO DATE 253 270 -17 334 SINCE JUN 1 886 962 -76 1139 SINCE JAN 1 1136 1176 -40 1200 ................................................................... WIND (MPH) RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION SW (240) HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (260) HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION W (260) AVERAGE WIND SPEED 6.5 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. FOG HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 93 6:00 AM LOWEST 28 12:00 PM AVERAGE 61 .......................................................... THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 95 107 2020 MINIMUM TEMPERATURE (F) 65 59 2009 SUNRISE AND SUNSET AUGUST 19 2025........SUNRISE 6:15 AM PDT SUNSET 7:32 PM PDT AUGUST 20 2025........SUNRISE 6:16 AM PDT SUNSET 7:31PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$