210  
CDUS46 KSGX 300928  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
128 AM PST TUE JAN 30 2024  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR JANUARY 29 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 79 2:59 PM 86 2018 68 11 55  
MINIMUM 48 6:18 AM 34 2002 45 3 45  
AVERAGE 64 56 8 50  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 T 2015 0.08 -0.08 0.02  
MONTH TO DATE 0.78 2.40 -1.62 5.84  
SINCE JUL 1 4.29 5.68 -1.39 11.38  
SINCE OCT 1 2.13 5.50 -3.37 11.08  
SINCE JAN 1 0.78 2.40 -1.62 5.84  
 
DEGREE DAYS  
HEATING  
YESTERDAY 1 9 -8 15  
MONTH TO DATE 301 265 36 384  
SINCE DEC 1 492 569 -77 735  
SINCE JUL 1 585 731 -146 961  
 
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 N (350)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 2.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 56 5:00 AM  
LOWEST 18 2:00 PM  
AVERAGE 37  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 83 2003  
MINIMUM TEMPERATURE (F) 45 32 2002  
 
SUNRISE AND SUNSET  
JANUARY 30 2024.......SUNRISE 6:49 AM PST SUNSET 5:19 PM PST  
JANUARY 31 2024.......SUNRISE 6:48 AM PST SUNSET 5:20 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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