747  
CDUS46 KSGX 140021  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
521 PM PDT WED SEP 13 2023  
   
...............................
 
 
...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR SEPTEMBER 13 2023...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 84 1:33 PM 105 2014 92 -8 84  
MINIMUM 64 2:01 AM 56 2005 65 -1 69  
2016  
AVERAGE 74 78 -4 77  
 
PRECIPITATION (IN)  
TODAY 0.00 T 2016 0.00 0.00 0.00  
MONTH TO DATE 0.22 0.03 0.19 0.27  
SINCE JUL 1 2.14 0.11 2.03 0.30  
SINCE OCT 1 25.82 11.57 14.25 9.32  
SINCE JAN 1 20.58 8.47 12.11 1.70  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 9 13 -4 12  
MONTH TO DATE 165 186 -21 285  
SINCE SEP 1 165 186 -21 285  
SINCE JAN 1 1353 1559 -206 1907    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION SW (220)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 4.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 1:00 AM  
LOWEST 44 3:00 PM  
AVERAGE 69  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 92 108 2014  
MINIMUM TEMPERATURE (F) 64 53 2016  
 
SUNRISE AND SUNSET  
SEPTEMBER 13 2023.....SUNRISE 6:32 AM PDT SUNSET 7:00 PM PDT  
SEPTEMBER 14 2023.....SUNRISE 6:33 AM PDT SUNSET 6:59 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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