617  
CDUS46 KSGX 050919  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
119 AM PST WED FEB 05 2025  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR FEBRUARY 4 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 62 4:02 PM 86 2001 68 -6 60  
2018  
MINIMUM 50 5:52 AM 34 2011 45 5 48  
AVERAGE 56 56 0 54  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.02 2024 0.09 -0.09 1.02  
MONTH TO DATE 0.00 0.34 -0.34 2.22  
SINCE JUL 1 0.84 6.19 -5.35 6.51  
SINCE OCT 1 0.84 6.01 -5.17 4.35  
SINCE JAN 1 0.69 2.91 -2.22 3.00  
 
DEGREE DAYS  
HEATING  
YESTERDAY 9 9 0 11  
MONTH TO DATE 18 36 -18 51  
SINCE DEC 1 482 620 -138 548  
SINCE JUL 1 633 782 -149 641  
 
COOLING  
YESTERDAY 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 6 RESULTANT WIND DIRECTION W (260)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 6.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 1:00 AM  
LOWEST 56 5:00 PM  
AVERAGE 75  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 87 2007  
MINIMUM TEMPERATURE (F) 45 34 2020  
 
SUNRISE AND SUNSET  
FEBRUARY 5 2025......SUNRISE 6:44 AM PST SUNSET 5:25 PM PST  
FEBRUARY 6 2025......SUNRISE 6:43 AM PST SUNSET 5:26 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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