861  
CDUS46 KSGX 081023  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
223 AM PST SUN DEC 08 2024  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR DECEMBER 7 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 80 3:24 PM 82 2006 68 12 65  
MINIMUM 47 7:09 AM 32 2011 44 3 49  
AVERAGE 64 56 8 57  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.07 2009 0.06 -0.06 0.00  
MONTH TO DATE 0.00 0.36 -0.36 T  
SINCE JUL 1 0.15 1.75 -1.60 2.53  
SINCE OCT 1 0.15 1.57 -1.42 0.37  
SINCE JAN 1 16.44 10.11 6.33 20.77  
 
DEGREE DAYS  
HEATING  
YESTERDAY 1 9 -8 8  
MONTH TO DATE 26 61 -35 40  
SINCE DEC 1 26 61 -35 40  
SINCE JUL 1 177 223 -46 133  
 
COOLING  
YESTERDAY 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 2 RESULTANT WIND DIRECTION W (280)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 3.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 38 11:00 PM  
LOWEST 15 1:00 PM  
AVERAGE 27  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 83 2015  
2017  
MINIMUM TEMPERATURE (F) 44 33 1998  
 
SUNRISE AND SUNSET  
DECEMBER 8 2024......SUNRISE 6:44 AM PST SUNSET 4:41 PM PST  
DECEMBER 9 2024......SUNRISE 6:45 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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