


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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238 CDUS46 KSGX 260917 CLIONT CLIMATE REPORT NATIONAL WEATHER SERVICE SAN DIEGO, CA 217 AM PDT SAT JUL 26 2025 ................................... ...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR JULY 25 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 85 2:11 PM 104 2018 95 -10 100 MINIMUM 59 4:27 AM 57 1999 65 -6 72 AVERAGE 72 80 -8 86 PRECIPITATION (IN) YESTERDAY 0.00 T 2013 0.01 -0.01 0.00 2019 2021 MONTH TO DATE 0.00 0.04 -0.04 0.00 SINCE JUL 1 0.00 0.04 -0.04 0.00 SINCE OCT 1 6.22 11.50 -5.28 17.64 SINCE JAN 1 6.07 8.40 -2.33 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 7 15 -8 21 MONTH TO DATE 282 352 -70 430 SINCE JUN 1 570 602 -32 715 SINCE JAN 1 820 816 4 776 ................................................................... WIND (MPH) RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION SW (240) HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SW (240) HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION W (280) AVERAGE WIND SPEED 7.8 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.2 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 84 11:00 PM LOWEST 29 1:00 PM AVERAGE 57 .......................................................... THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 95 103 2006 2019 MINIMUM TEMPERATURE (F) 65 58 1999 2012 SUNRISE AND SUNSET JULY 26 2025..........SUNRISE 5:58 AM PDT SUNSET 7:56 PM PDT JULY 27 2025..........SUNRISE 5:59 AM PDT SUNSET 7:55 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$