186  
CDUS46 KSGX 160925  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
225 AM PDT SAT SEP 16 2023  
   
...............................
 
 
...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR SEPTEMBER 15 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 80 3:34 PM 107 2014 92 -12 84  
MINIMUM 63 6:11 AM 56 2005 64 -1 65  
AVERAGE 72 78 -6 75  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.25 2015 0.00 0.00 T  
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 7 13 -6 10  
MONTH TO DATE 180 212 -32 305  
SINCE SEP 1 180 212 -32 305  
SINCE JAN 1 1368 1585 -217 1927    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION SW (240)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 6.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 1:00 AM  
LOWEST 54 3:00 PM  
AVERAGE 72  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 92 107 2000  
2014  
MINIMUM TEMPERATURE (F) 64 56 1999  
 
SUNRISE AND SUNSET  
SEPTEMBER 16 2023.....SUNRISE 6:34 AM PDT SUNSET 6:56 PM PDT  
SEPTEMBER 17 2023.....SUNRISE 6:35 AM PDT SUNSET 6:54 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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