287  
CDUS46 KSGX 040027  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
427 PM PST MON FEB 03 2025  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR FEBRUARY 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 80 3:47 PM 84 2006 68 12 58  
2009  
2018  
MINIMUM 50 7:20 AM 31 2002 45 5 45  
AVERAGE 65 56 9 52  
 
PRECIPITATION (IN)  
TODAY 0.00 0.42 2008 0.09 -0.09 0.04  
MONTH TO DATE 0.00 0.25 -0.25 1.20  
SINCE JUL 1 0.84 6.10 -5.26 5.49  
SINCE OCT 1 0.84 5.92 -5.08 3.33  
SINCE JAN 1 0.69 2.82 -2.13 1.98  
 
DEGREE DAYS  
HEATING  
TODAY 0 9 -9 13  
MONTH TO DATE 9 27 -18 40  
SINCE DEC 1 473 611 -138 537  
SINCE JUL 1 624 773 -149 630  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 6 7 -1 2  
SINCE JAN 1 1 5 -4 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION W (260)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 2.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 72 12:00 AM  
LOWEST 17 3:00 PM  
AVERAGE 45  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 86 2001  
2018  
MINIMUM TEMPERATURE (F) 45 34 2011  
 
SUNRISE AND SUNSET  
FEBRUARY 3 2025......SUNRISE 6:46 AM PST SUNSET 5:23 PM PST  
FEBRUARY 4 2025......SUNRISE 6:45 AM PST SUNSET 5:24 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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