580  
CDUS46 KSGX 110019  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
419 PM PST WED JAN 10 2024  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR JANUARY 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 58 3:37 PM 78 1999 68 -10 60  
2004  
MINIMUM 37R 6:35 AM 39 2000 44 -7 49  
AVERAGE 48 56 -8 55  
 
PRECIPITATION (IN)  
TODAY 0.00 1.57 2005 0.09 -0.09 0.94  
MONTH TO DATE 0.44 0.89 -0.45 2.70  
SINCE JUL 1 3.95 4.17 -0.22 8.24  
SINCE OCT 1 1.79 3.99 -2.20 7.94  
SINCE JAN 1 0.44 0.89 -0.45 2.70  
 
DEGREE DAYS  
HEATING  
TODAY 17 9 8 10  
MONTH TO DATE 143 94 49 119  
SINCE DEC 1 334 398 -64 470  
SINCE JUL 1 427 560 -133 696  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 2 2 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 0 RESULTANT WIND DIRECTION N (10)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 2.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 65 8:00 AM  
LOWEST 44 11:00 AM  
AVERAGE 55  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 83 1983  
2009  
MINIMUM TEMPERATURE (F) 45 32 2013  
 
SUNRISE AND SUNSET  
JANUARY 10 2024.......SUNRISE 6:57 AM PST SUNSET 4:59 PM PST  
JANUARY 11 2024.......SUNRISE 6:56 AM PST SUNSET 5:00 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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