


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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571 CDUS46 KSGX 050925 CLIONT CLIMATE REPORT NATIONAL WEATHER SERVICE SAN DIEGO, CA 225 AM PDT SAT JUL 05 2025 ................................... ...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR JULY 4 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 2:48 PM 101 2008 92 1 94 MINIMUM 60 5:15 AM 57 2010 64 -4 67 AVERAGE 77 78 -1 81 PRECIPITATION (IN) YESTERDAY 0.00 0.00 2004 0.00 0.00 0.00 2005 2006 MONTH TO DATE 0.00 0.00 0.00 0.00 SINCE JUL 1 0.00 0.00 0.00 0.00 SINCE OCT 1 6.22 11.46 -5.24 17.64 SINCE JAN 1 6.07 8.36 -2.29 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 12 13 -1 16 MONTH TO DATE 39 50 -11 63 SINCE JUN 1 327 300 27 348 SINCE JAN 1 577 514 63 409 ................................................................... WIND (MPH) RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION W (250) HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (260) HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION W (270) AVERAGE WIND SPEED 5.9 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. FOG HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 90 4:00 AM LOWEST 29 12:00 PM AVERAGE 60 .......................................................... THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 93 102 2018 MINIMUM TEMPERATURE (F) 64 57 2023 SUNRISE AND SUNSET JULY 5 2025..........SUNRISE 5:45 AM PDT SUNSET 8:05 PM PDT JULY 6 2025..........SUNRISE 5:45 AM PDT SUNSET 8:05 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$