806  
CDUS46 KSGX 130921  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
221 AM PDT FRI JUN 13 2025  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR JUNE 12 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 87 3:00 PM 97 2019 85 2 90  
MINIMUM 61 11:59 PM 54 1999 59 2 60  
AVERAGE 74 72 2 75  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 T 2023 0.00 0.00 0.00  
MONTH TO DATE 0.10 0.02 0.08 T  
SINCE JUL 1 6.22 11.64 -5.42 19.80  
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 2  
SINCE JUN 1 0 0 0 2  
SINCE JUL 1 1134 1288 -154 1314  
 
COOLING  
YESTERDAY 9 7 2 10  
MONTH TO DATE 87 74 13 67  
SINCE JUN 1 87 74 13 67  
SINCE JAN 1 337 288 49 128    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 6.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 6:00 AM  
LOWEST 39 3:00 PM  
AVERAGE 65  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 98 2007  
MINIMUM TEMPERATURE (F) 59 51 1998  
 
SUNRISE AND SUNSET  
JUNE 13 2025..........SUNRISE 5:39 AM PDT SUNSET 8:03 PM PDT  
JUNE 14 2025..........SUNRISE 5:39 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.  
 

 
 
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