518  
CDUS46 KSGX 060928  
CLIFUL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
228 AM PDT WED AUG 06 2025  
   
...............................
 
 
   
..THE FULLERTON AIRPORT CA CLIMATE SUMMARY FOR AUGUST 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 84 1:36 PM 97 2024 86 -2 97  
MINIMUM 65 6:04 AM 60 2011 67 -2 67  
AVERAGE 75 76 -1 82  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.00 MM 0.00 0.00 0.00  
MONTH TO DATE 0.00 0.00 0.00 0.00  
SINCE JUL 1 0.00 0.02 -0.02 0.00  
SINCE OCT 1 4.48 11.70 -7.22 16.56  
SINCE JAN 1 4.45 8.60 -4.15 14.69  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 0 2 -2 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 10 11 -1 17  
MONTH TO DATE 44 55 -11 74  
SINCE JUN 1 493 549 -56 601  
SINCE JAN 1 634 720 -86 633    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION S (190)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 3.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 12:00 AM  
LOWEST 47 1:00 PM  
AVERAGE 69  
   
......................................................
 
 
THE FULLERTON AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 97 2018  
MINIMUM TEMPERATURE (F) 67 61 2010  
 
SUNRISE AND SUNSET  
AUGUST 6 2025........SUNRISE 6:07 AM PDT SUNSET 7:47 PM PDT  
AUGUST 7 2025........SUNRISE 6:08 AM PDT SUNSET 7:46 PM PDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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