877  
CDUS46 KSGX 200016  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
516 PM PDT THU SEP 19 2024  
   
...............................
 
 
...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR SEPTEMBER 19 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 75 2:44 PM 100 2015 91 -16 81  
MINIMUM 61 12:05 AM 56 2005 64 -3 59  
AVERAGE 68 77 -9 70  
 
PRECIPITATION (IN)  
TODAY 0.00 T 2016 0.00 0.00 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  
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 3 12 -9 5  
MONTH TO DATE 293 262 31 200  
SINCE SEP 1 293 262 31 200  
SINCE JAN 1 1667 1635 32 1388    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 5.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 12:00 AM  
LOWEST 50 3:00 PM  
AVERAGE 69  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 90 104 2015  
MINIMUM TEMPERATURE (F) 63 53 1999  
 
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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