561  
CDUS46 KSGX 150927  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
227 AM PDT FRI SEP 15 2023  
   
...............................
 
 
...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR SEPTEMBER 14 2023...  
 
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)  
YESTERDAY  
MAXIMUM 83 2:54 PM 108 2014 92 -9 85  
MINIMUM 62 5:36 AM 53 2016 64 -2 65  
AVERAGE 73 78 -5 75  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 T 2006 0.01 -0.01 0.00  
MONTH TO DATE 0.22 0.04 0.18 0.27  
SINCE JUL 1 2.14 0.12 2.02 0.30  
SINCE OCT 1 25.82 11.58 14.24 9.32  
SINCE JAN 1 20.58 8.48 12.10 1.70  
 
DEGREE DAYS  
HEATING  
YESTERDAY 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  
YESTERDAY 8 13 -5 10  
MONTH TO DATE 173 199 -26 295  
SINCE SEP 1 173 199 -26 295  
SINCE JAN 1 1361 1572 -211 1917    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION SW (240)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 6.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 3:00 AM  
LOWEST 41 3:00 PM  
AVERAGE 67  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 92 107 2014  
MINIMUM TEMPERATURE (F) 64 56 2005  
 
SUNRISE AND SUNSET  
SEPTEMBER 15 2023.....SUNRISE 6:34 AM PDT SUNSET 6:57 PM PDT  
SEPTEMBER 16 2023.....SUNRISE 6:34 AM PDT SUNSET 6:56 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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