454  
CDUS46 KSGX 170926  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
226 AM PDT TUE SEP 17 2024  
   
...............................
 
 
...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR SEPTEMBER 16 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 74 1:20 PM 107 2000 92 -18 74  
2014  
MINIMUM 57 11:52 PM 56 1999 64 -7 65  
AVERAGE 66 78 -12 70  
 
PRECIPITATION (IN)  
YESTERDAY T 0.03 2002 0.00 0.00 0.00  
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 5  
MONTH TO DATE 286 225 61 185  
SINCE SEP 1 286 225 61 185  
SINCE JAN 1 1660 1598 62 1373    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 8.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 2:00 AM  
LOWEST 42 2:00 PM  
AVERAGE 66  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 91 102 2000  
2020  
MINIMUM TEMPERATURE (F) 64 55 2010  
 
SUNRISE AND SUNSET  
SEPTEMBER 17 2024.....SUNRISE 6:35 AM PDT SUNSET 6:53 PM PDT  
SEPTEMBER 18 2024.....SUNRISE 6:36 AM PDT SUNSET 6:52 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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