954  
CDUS46 KSGX 111042  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
242 AM PST WED DEC 11 2024  
   
...............................
 
 
...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR DECEMBER 10 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 72 3:11 PM 85 2017 67 5 75  
MINIMUM 50 11:59 PM 31 2013 44 6 40  
AVERAGE 61 55 6 58  
 
PRECIPITATION (IN)  
YESTERDAY 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  
YESTERDAY 4 10 -6 7  
MONTH TO DATE 41 91 -50 64  
SINCE DEC 1 41 91 -50 64  
SINCE JUL 1 192 253 -61 157  
 
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 6 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 8.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
SANDSTORM  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 19 4:00 AM  
LOWEST 4 5:00 AM  
AVERAGE 12  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 83 2004  
MINIMUM TEMPERATURE (F) 44 34 1998  
2011  
 
SUNRISE AND SUNSET  
DECEMBER 11 2024......SUNRISE 6:46 AM PST SUNSET 4:42 PM PST  
DECEMBER 12 2024......SUNRISE 6:47 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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