389  
CDUS46 KSGX 120029  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
429 PM PST WED DEC 11 2024  
   
...............................  
 
...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR DECEMBER 11 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 73 3:17 PM 83 2004 67 6 75  
MINIMUM 42 3:05 AM 34 1998 44 -2 44  
2011  
AVERAGE 58 55 3 60  
 
PRECIPITATION (IN)  
TODAY 0.00 1.07 2022 0.06 -0.06 0.00  
MONTH TO DATE 0.00 0.60 -0.60 T  
SINCE JUL 1 0.15 1.99 -1.84 2.53  
SINCE OCT 1 0.15 1.81 -1.66 0.37  
SINCE JAN 1 16.44 10.35 6.09 20.77  
 
DEGREE DAYS  
HEATING  
TODAY 7 10 -3 5  
MONTH TO DATE 48 101 -53 69  
SINCE DEC 1 48 101 -53 69  
SINCE JUL 1 199 263 -64 162  
 
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 1 RESULTANT WIND DIRECTION NE (50)  
HIGHEST WIND SPEED 7 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 9 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 2.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 33 5:00 AM  
LOWEST 8 3:00 PM  
AVERAGE 21  
   
......................................................  
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 84 2010  
MINIMUM TEMPERATURE (F) 43 36 2007  
 
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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