333  
CDUS46 KSGX 020032  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
532 PM PDT FRI SEP 01 2023  
   
...............................
 
 
...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR SEPTEMBER 1 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 90 12:31 PM 114 2017 95 -5 107  
MINIMUM 66 5:41 AM 57 2011 65 1 78  
AVERAGE 78 80 -2 93  
 
PRECIPITATION (IN)  
TODAY 0.03R 0.00 MM 0.00 0.03 0.00  
MONTH TO DATE 0.03 0.00 0.03 0.00  
SINCE JUL 1 1.95 0.08 1.87 0.03  
SINCE OCT 1 25.63 11.54 14.09 9.05  
SINCE JAN 1 20.39 8.44 11.95 1.43  
 
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 13 15 -2 28  
MONTH TO DATE 13 15 -2 28  
SINCE SEP 1 13 15 -2 28  
SINCE JAN 1 1201 1388 -187 1650    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION SW (230)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 5.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 6:00 AM  
LOWEST 39 1:00 PM  
AVERAGE 65  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 95 110 2007  
MINIMUM TEMPERATURE (F) 65 56 1999  
 
SUNRISE AND SUNSET  
SEPTEMBER 1 2023.....SUNRISE 6:24 AM PDT SUNSET 7:16 PM PDT  
SEPTEMBER 2 2023.....SUNRISE 6:25 AM PDT SUNSET 7:15 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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