944  
CDUS46 KSGX 040023  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
423 PM PST FRI JAN 03 2025  
   
...............................  
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR JANUARY 3 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 70 1:34 PM 82 2012 67 3 59  
MINIMUM 46 7:10 AM 33 2000 44 2 45  
AVERAGE 58 56 2 52  
 
PRECIPITATION (IN)  
TODAY 0.00 0.58 2005 0.09 -0.09 0.36  
MONTH TO DATE 0.00 0.28 -0.28 0.36  
SINCE JUL 1 0.15 3.56 -3.41 3.87  
SINCE OCT 1 0.15 3.38 -3.23 1.71  
SINCE JAN 1 0.00 0.28 -0.28 0.36  
 
DEGREE DAYS  
HEATING  
TODAY 7 10 -3 13  
MONTH TO DATE 13 30 -17 35  
SINCE DEC 1 209 334 -125 226  
SINCE JUL 1 360 496 -136 319  
 
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 W (260)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 2.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 47 2:00 AM  
LOWEST 23 11:00 AM  
AVERAGE 35  
   
......................................................  
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 85 2012  
MINIMUM TEMPERATURE (F) 44 34 2011  
2013  
 
SUNRISE AND SUNSET  
JANUARY 3 2025.......SUNRISE 6:56 AM PST SUNSET 4:54 PM PST  
JANUARY 4 2025.......SUNRISE 6:57 AM PST SUNSET 4:55 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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