739  
CDUS46 KSGX 070932  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
232 AM PDT TUE OCT 07 2025  
   
...............................  
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR OCTOBER 6 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 82 3:22 PM 101 2023 85 -3 101  
2024  
MINIMUM 58 5:32 AM 48 2007 60 -2 64  
AVERAGE 70 72 -2 83  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.45 2010 0.01 -0.01 0.00  
MONTH TO DATE 0.00 0.05 -0.05 0.00  
SINCE JUL 1 0.12 0.23 -0.11 T  
SINCE OCT 1 0.00 0.05 -0.05 0.00  
SINCE JAN 1 6.19 8.59 -2.40 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 5 8 -3 18  
MONTH TO DATE 31 50 -19 104  
SINCE SEP 1 431 428 3 490  
SINCE JAN 1 1820 1801 19 1864    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 5.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 5:00 AM  
LOWEST 40 3:00 PM  
AVERAGE 67  
   
......................................................  
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 99 2023  
MINIMUM TEMPERATURE (F) 59 48 2011  
 
SUNRISE AND SUNSET  
OCTOBER 7 2025.......SUNRISE 6:50 AM PDT SUNSET 6:26 PM PDT  
OCTOBER 8 2025.......SUNRISE 6:50 AM PDT SUNSET 6:25 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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