


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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484 CDUS46 KSGX 130018 CLIONT CLIMATE REPORT NATIONAL WEATHER SERVICE SAN DIEGO, CA 518 PM PDT SAT JUL 12 2025 ................................... ...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR JULY 12 2025... VALID TODAY AS OF 0400 PM LOCAL TIME. 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) TODAY MAXIMUM 90 2:36 PM 103 1999 94 -4 89 MINIMUM 62 5:30 AM 56 2001 65 -3 66 AVERAGE 76 79 -3 78 PRECIPITATION (IN) TODAY 0.00 T 2012 0.00 0.00 0.00 MONTH TO DATE 0.00 0.01 -0.01 0.00 SINCE JUL 1 0.00 0.01 -0.01 0.00 SINCE OCT 1 6.22 11.47 -5.25 17.64 SINCE JAN 1 6.07 8.37 -2.30 16.29 DEGREE DAYS HEATING TODAY 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 TODAY 11 14 -3 13 MONTH TO DATE 151 160 -9 195 SINCE JUN 1 439 410 29 480 SINCE JAN 1 689 624 65 541 ................................................................... WIND (MPH) RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION SW (240) HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (240) HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SW (230) AVERAGE WIND SPEED 6.5 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.1 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. FOG HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 93 4:00 AM LOWEST 35 3:00 PM AVERAGE 64 .......................................................... THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 94 101 2006 2019 MINIMUM TEMPERATURE (F) 65 57 2000 SUNRISE AND SUNSET JULY 12 2025..........SUNRISE 5:49 AM PDT SUNSET 8:03 PM PDT JULY 13 2025..........SUNRISE 5:49 AM PDT SUNSET 8:03 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$