989  
CDUS46 KSGX 060933  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
233 AM PDT MON OCT 06 2025  
   
...............................  
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR OCTOBER 5 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 84 2:12 PM 100 2014 85 -1 98  
MINIMUM 56 5:48 AM 50 2009 60 -4 63  
AVERAGE 70 72 -2 81  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.97 2011 0.01 -0.01 0.00  
MONTH TO DATE 0.00 0.04 -0.04 0.00  
SINCE JUL 1 0.12 0.22 -0.10 T  
SINCE OCT 1 0.00 0.04 -0.04 0.00  
SINCE JAN 1 6.19 8.58 -2.39 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 16  
MONTH TO DATE 26 42 -16 86  
SINCE SEP 1 426 420 6 472  
SINCE JAN 1 1815 1793 22 1846    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION SW (240)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 5.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 11:00 PM  
LOWEST 31 3:00 PM  
AVERAGE 59  
   
......................................................  
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 101 2023  
2024  
MINIMUM TEMPERATURE (F) 60 48 2007  
 
SUNRISE AND SUNSET  
OCTOBER 6 2025.......SUNRISE 6:49 AM PDT SUNSET 6:27 PM PDT  
OCTOBER 7 2025.......SUNRISE 6:50 AM PDT SUNSET 6:26 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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