897  
CDUS46 KSGX 040934  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
134 AM PST WED DEC 04 2024  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR DECEMBER 3 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 71 3:17 PM 78 2007 69 2 68  
MINIMUM 45 4:26 AM 37 2004 45 0 41  
AVERAGE 58 56 2 55  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.91 2014 0.06 -0.06 0.00  
MONTH TO DATE 0.00 0.15 -0.15 T  
SINCE JUL 1 0.15 1.54 -1.39 2.53  
SINCE OCT 1 0.15 1.36 -1.21 0.37  
SINCE JAN 1 16.44 9.90 6.54 20.77  
 
DEGREE DAYS  
HEATING  
YESTERDAY 7 9 -2 10  
MONTH TO DATE 12 25 -13 29  
SINCE DEC 1 12 25 -13 29  
SINCE JUL 1 163 187 -24 122  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 2027 1967 60 1693    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 2.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 11:00 PM  
LOWEST 29 3:00 PM  
AVERAGE 56  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 81 2007  
MINIMUM TEMPERATURE (F) 44 34 2011  
 
SUNRISE AND SUNSET  
DECEMBER 4 2024......SUNRISE 6:41 AM PST SUNSET 4:41 PM PST  
DECEMBER 5 2024......SUNRISE 6:42 AM PST SUNSET 4:41 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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