270  
CDUS46 KSGX 100018  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
518 PM PDT MON SEP 09 2024  
   
...............................
 
 
...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR SEPTEMBER 9 2024...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 108R 1:30 PM 105 2015 93 15 98  
MINIMUM 78 6:07 AM 55 2000 65 13 72  
AVERAGE 93 79 14 85  
 
PRECIPITATION (IN)  
TODAY 0.00 T 2013 0.00 0.00 0.00  
MONTH TO DATE 0.00 0.02 -0.02 0.19  
SINCE JUL 1 T 0.10 -0.10 2.11  
SINCE OCT 1 17.64 11.56 6.08 25.59  
SINCE JAN 1 16.29 8.46 7.83 20.35  
 
DEGREE DAYS  
HEATING  
TODAY 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  
TODAY 28 14 14 20  
MONTH TO DATE 229 131 98 107  
SINCE SEP 1 229 131 98 107  
SINCE JAN 1 1603 1504 99 1295    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 3.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 44 5:00 AM  
LOWEST 14 3:00 PM  
AVERAGE 29  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 93 100 2015  
2017  
2021  
MINIMUM TEMPERATURE (F) 65 55 2008  
 
SUNRISE AND SUNSET  
SEPTEMBER 9 2024.....SUNRISE 6:30 AM PDT SUNSET 7:04 PM PDT  
SEPTEMBER 10 2024.....SUNRISE 6:31 AM PDT SUNSET 7:03 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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