206  
CDUS46 KSGX 250032  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
432 PM PST FRI JAN 24 2025  
   
...............................  
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR JANUARY 24 2025  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 74 2:22 PM 77 2007 68 6 59  
2015  
MINIMUM 44 5:41 AM 35 2002 45 -1 50  
2023  
AVERAGE 59 56 3 55  
 
PRECIPITATION (IN)  
TODAY 0.00 0.33 2013 0.07 -0.07 T  
MONTH TO DATE T 2.06 -2.06 0.78  
SINCE JUL 1 0.15 5.34 -5.19 4.29  
SINCE OCT 1 0.15 5.16 -5.01 2.13  
SINCE JAN 1 T 2.06 -2.06 0.78  
 
DEGREE DAYS  
HEATING  
TODAY 6 9 -3 10  
MONTH TO DATE 175 220 -45 286  
SINCE DEC 1 371 524 -153 477  
SINCE JUL 1 522 686 -164 570  
 
COOLING  
TODAY 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 NE (30)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 2.1  
 
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 21 7:00 AM  
LOWEST 11 12:00 AM  
AVERAGE 16  
   
......................................................  
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 83 2003  
MINIMUM TEMPERATURE (F) 45 35 2017  
 
SUNRISE AND SUNSET  
JANUARY 24 2025.......SUNRISE 6:52 AM PST SUNSET 5:13 PM PST  
JANUARY 25 2025.......SUNRISE 6:52 AM PST SUNSET 5:14 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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