532  
CDUS46 KSGX 141019  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
219 AM PST SUN JAN 14 2024  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR JANUARY 13 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 64 2:44 PM 84 2018 68 -4 66  
MINIMUM 37 6:55 AM 29 2013 45 -8 44  
AVERAGE 51 56 -5 55  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.16 2010 0.09 -0.09 0.00  
MONTH TO DATE 0.44 1.15 -0.71 2.70  
SINCE JUL 1 3.95 4.43 -0.48 8.24  
SINCE OCT 1 1.79 4.25 -2.46 7.94  
SINCE JAN 1 0.44 1.15 -0.71 2.70  
 
DEGREE DAYS  
HEATING  
YESTERDAY 14 9 5 10  
MONTH TO DATE 186 121 65 153  
SINCE DEC 1 377 425 -48 504  
SINCE JUL 1 470 587 -117 730  
 
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 1 RESULTANT WIND DIRECTION W (260)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 3.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 68 11:00 PM  
LOWEST 22 3:00 PM  
AVERAGE 45  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 87 2021  
MINIMUM TEMPERATURE (F) 45 25 1962  
2007  
 
SUNRISE AND SUNSET  
JANUARY 14 2024.......SUNRISE 6:56 AM PST SUNSET 5:03 PM PST  
JANUARY 15 2024.......SUNRISE 6:56 AM PST SUNSET 5:04 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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