434  
CDUS46 KSGX 060953  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
153 AM PST MON JAN 06 2025  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR JANUARY 5 2025
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 76 2:58 PM 83 2006 67 9 63  
MINIMUM 43 12:17 AM 34 2009 44 -1 41  
2011  
AVERAGE 60 56 4 52  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.87 2023 0.09 -0.09 0.00  
MONTH TO DATE 0.00 0.46 -0.46 0.36  
SINCE JUL 1 0.15 3.74 -3.59 3.87  
SINCE OCT 1 0.15 3.56 -3.41 1.71  
SINCE JAN 1 0.00 0.46 -0.46 0.36  
 
DEGREE DAYS  
HEATING  
YESTERDAY 5 9 -4 13  
MONTH TO DATE 29 49 -20 62  
SINCE DEC 1 225 353 -128 253  
SINCE JUL 1 376 515 -139 346  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 1 0 1 0  
SINCE DEC 1 6 2 4 2  
SINCE JAN 1 1 0 1 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION W (280)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 3.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 76 12:00 AM  
LOWEST 15 4:00 PM  
AVERAGE 46  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 85 2015  
MINIMUM TEMPERATURE (F) 44 37 2004  
2024  
 
SUNRISE AND SUNSET  
JANUARY 6 2025.......SUNRISE 6:57 AM PST SUNSET 4:57 PM PST  
JANUARY 7 2025.......SUNRISE 6:57 AM PST SUNSET 4:57 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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