150  
CDUS46 KSGX 120920  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
220 AM PDT SUN OCT 12 2025  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR OCTOBER 11 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 1:47 PM 98 2015 84 1 93  
MINIMUM 62 10:39 PM 49 2008 58 4 63  
AVERAGE 74 71 3 78  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.16 2012 0.01 -0.01 0.00  
MONTH TO DATE T 0.09 -0.09 0.00  
SINCE JUL 1 0.12 0.27 -0.15 T  
SINCE OCT 1 T 0.09 -0.09 0.00  
SINCE JAN 1 6.19 8.63 -2.44 16.29  
 
DEGREE DAYS  
HEATING  
YESTERDAY 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  
YESTERDAY 9 6 3 13  
MONTH TO DATE 68 84 -16 172  
SINCE SEP 1 468 462 6 558  
SINCE JAN 1 1857 1835 22 1932    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 5.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 65 5:00 AM  
LOWEST 15 1:00 PM  
AVERAGE 40  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 100 2011  
2020  
MINIMUM TEMPERATURE (F) 58 48 2008  
 
SUNRISE AND SUNSET  
OCTOBER 12 2025.......SUNRISE 6:54 AM PDT SUNSET 6:20 PM PDT  
OCTOBER 13 2025.......SUNRISE 6:54 AM PDT SUNSET 6:18 PM PDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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