


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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707 CDUS46 KSGX 160929 CLIONT CLIMATE REPORT NATIONAL WEATHER SERVICE SAN DIEGO, CA 229 AM PDT WED JUL 16 2025 ................................... ...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR JULY 15 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 87 2:56 PM 105 2006 94 -7 93 MINIMUM 61 4:51 AM 60 2011 65 -4 65 2012 AVERAGE 74 80 -6 79 PRECIPITATION (IN) YESTERDAY 0.00 T 2004 0.01 -0.01 0.00 2004 2010 MONTH TO DATE 0.00 0.02 -0.02 0.00 SINCE JUL 1 0.00 0.02 -0.02 0.00 SINCE OCT 1 6.22 11.48 -5.26 17.64 SINCE JAN 1 6.07 8.38 -2.31 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 9 14 -5 14 MONTH TO DATE 182 202 -20 242 SINCE JUN 1 470 452 18 527 SINCE JAN 1 720 666 54 588 ................................................................... WIND (MPH) RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION SW (240) HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (250) HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION W (260) AVERAGE WIND SPEED 7.7 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 90 4:00 AM LOWEST 35 3:00 PM AVERAGE 63 .......................................................... THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 94 106 1998 MINIMUM TEMPERATURE (F) 65 57 2011 SUNRISE AND SUNSET JULY 16 2025..........SUNRISE 5:51 AM PDT SUNSET 8:02 PM PDT JULY 17 2025..........SUNRISE 5:52 AM PDT SUNSET 8:01 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$