


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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603 CDUS46 KSGX 040021 CLIONT CLIMATE REPORT NATIONAL WEATHER SERVICE SAN DIEGO, CA 521 PM PDT FRI OCT 03 2025 ................................... ...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR OCTOBER 3 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 77 1:49 PM 101 2020 86 -9 97 MINIMUM 60 1:57 AM 50 2002 60 0 67 AVERAGE 69 73 -4 82 PRECIPITATION (IN) TODAY 0.00 T 2018 0.01 -0.01 0.00 MONTH TO DATE 0.00 0.02 -0.02 0.00 SINCE JUL 1 0.12 0.20 -0.08 T SINCE OCT 1 0.00 0.02 -0.02 0.00 SINCE JAN 1 6.19 8.56 -2.37 16.29 DEGREE DAYS HEATING TODAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE SEP 1 0 1 -1 0 SINCE JUL 1 0 1 -1 0 COOLING TODAY 4 8 -4 17 MONTH TO DATE 18 26 -8 55 SINCE SEP 1 418 404 14 441 SINCE JAN 1 1807 1777 30 1815 ................................................................... WIND (MPH) RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION SW (240) HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (240) HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SW (220) AVERAGE WIND SPEED 5.7 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.6 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 90 3:00 AM LOWEST 45 1:00 PM AVERAGE 68 .......................................................... THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 85 102 2014 MINIMUM TEMPERATURE (F) 60 51 2009 SUNRISE AND SUNSET OCTOBER 3 2025.......SUNRISE 6:47 AM PDT SUNSET 6:31 PM PDT OCTOBER 4 2025.......SUNRISE 6:47 AM PDT SUNSET 6:30 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$