207  
CDUS46 KSGX 110022  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
422 PM PST TUE DEC 10 2024  
   
...............................
 
 
...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR DECEMBER 10 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 72 3:11 PM 85 2017 67 5 75  
MINIMUM 53 7:04 AM 31 2013 44 9 40  
AVERAGE 63 55 8 58  
 
PRECIPITATION (IN)  
TODAY 0.00 0.11 2015 0.06 -0.06 0.00  
MONTH TO DATE 0.00 0.54 -0.54 T  
SINCE JUL 1 0.15 1.93 -1.78 2.53  
SINCE OCT 1 0.15 1.75 -1.60 0.37  
SINCE JAN 1 16.44 10.29 6.15 20.77  
 
DEGREE DAYS  
HEATING  
TODAY 2 10 -8 7  
MONTH TO DATE 39 91 -52 64  
SINCE DEC 1 39 91 -52 64  
SINCE JUL 1 190 253 -63 157  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 2  
SINCE DEC 1 0 0 0 2  
SINCE JAN 1 2027 1967 60 1695    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION NE (30)  
HIGHEST WIND SPEED 37 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 61 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 14.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
SANDSTORM  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 19 4:00 AM  
LOWEST 4 5:00 AM  
AVERAGE 12  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 83 2004  
MINIMUM TEMPERATURE (F) 44 34 1998  
2011  
 
SUNRISE AND SUNSET  
DECEMBER 10 2024......SUNRISE 6:46 AM PST SUNSET 4:42 PM PST  
DECEMBER 11 2024......SUNRISE 6:46 AM PST SUNSET 4:42 PM PST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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