369  
CDUS46 KSGX 190921  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
221 AM PDT THU SEP 19 2024  
   
...............................
 
 
...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR SEPTEMBER 18 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 79 2:07 PM 106 2016 91 -12 80  
MINIMUM 57 6:02 AM 55 2010 64 -7 61  
AVERAGE 68 77 -9 71  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.00 MM 0.01 -0.01 0.00  
MONTH TO DATE T 0.05 -0.05 0.22  
SINCE JUL 1 T 0.13 -0.13 2.14  
SINCE OCT 1 17.64 11.59 6.05 25.62  
SINCE JAN 1 16.29 8.49 7.80 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 3 12 -9 6  
MONTH TO DATE 290 250 40 195  
SINCE SEP 1 290 250 40 195  
SINCE JAN 1 1664 1623 41 1383    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 5.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 11:00 PM  
LOWEST 40 2:00 PM  
AVERAGE 62  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 91 100 2015  
MINIMUM TEMPERATURE (F) 64 56 2005  
 
SUNRISE AND SUNSET  
SEPTEMBER 19 2024.....SUNRISE 6:37 AM PDT SUNSET 6:50 PM PDT  
SEPTEMBER 20 2024.....SUNRISE 6:38 AM PDT SUNSET 6:49 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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