512  
CDUS46 KSGX 121019  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
219 AM PST FRI JAN 12 2024  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR JANUARY 11 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 60 3:49 PM 83 1983 68 -8 58  
2009  
MINIMUM 44 11:59 PM 32 2013 45 -1 42  
AVERAGE 52 56 -4 50  
 
PRECIPITATION (IN)  
YESTERDAY T 1.86 2001 0.08 -0.08 0.00  
MONTH TO DATE 0.44 0.97 -0.53 2.70  
SINCE JUL 1 3.95 4.25 -0.30 8.24  
SINCE OCT 1 1.79 4.07 -2.28 7.94  
SINCE JAN 1 0.44 0.97 -0.53 2.70  
 
DEGREE DAYS  
HEATING  
YESTERDAY 13 9 4 15  
MONTH TO DATE 156 103 53 134  
SINCE DEC 1 347 407 -60 485  
SINCE JUL 1 440 569 -129 711  
 
COOLING  
YESTERDAY 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 3 RESULTANT WIND DIRECTION SW (240)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 5.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 2:00 AM  
LOWEST 22 3:00 PM  
AVERAGE 53  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 87 2009  
MINIMUM TEMPERATURE (F) 45 28 2013  
 
SUNRISE AND SUNSET  
JANUARY 12 2024.......SUNRISE 6:56 AM PST SUNSET 5:01 PM PST  
JANUARY 13 2024.......SUNRISE 6:56 AM PST SUNSET 5:02 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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