485  
CDUS46 KSGX 180929  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
229 AM PDT WED SEP 18 2024  
   
...............................
 
 
...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR SEPTEMBER 17 2024...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 76 3:07 PM 102 2000 91 -15 74  
2020  
MINIMUM 55R 4:15 AM 55 2010 64 -9 64  
AVERAGE 66 78 -12 69  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 T 2023 0.00 0.00 T  
MONTH TO DATE T 0.04 -0.04 0.22  
SINCE JUL 1 T 0.12 -0.12 2.14  
SINCE OCT 1 17.64 11.58 6.06 25.62  
SINCE JAN 1 16.29 8.48 7.81 20.38  
 
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 1 13 -12 4  
MONTH TO DATE 287 238 49 189  
SINCE SEP 1 287 238 49 189  
SINCE JAN 1 1661 1611 50 1377    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION SW (240)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 5.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 6:00 AM  
LOWEST 33 2:00 PM  
AVERAGE 60  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 91 106 2016  
MINIMUM TEMPERATURE (F) 64 55 2010  
 
SUNRISE AND SUNSET  
SEPTEMBER 18 2024.....SUNRISE 6:36 AM PDT SUNSET 6:52 PM PDT  
SEPTEMBER 19 2024.....SUNRISE 6:37 AM PDT SUNSET 6:50 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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