433  
CDUS46 KSGX 110029  
CLIFUL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
529 PM PDT SUN AUG 10 2025  
   
...............................
 
 
   
..THE FULLERTON AIRPORT CA CLIMATE SUMMARY FOR AUGUST 10 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 85 12:46 PM 100 2012 86 -1 92  
MINIMUM 65 4:57 AM 58 2010 66 -1 65  
AVERAGE 75 76 -1 79  
 
PRECIPITATION (IN)  
TODAY 0.00 0.01 2023 0.00 0.00 0.00  
MONTH TO DATE 0.00 0.01 -0.01 0.00  
SINCE JUL 1 0.00 0.03 -0.03 0.00  
SINCE OCT 1 4.48 11.71 -7.23 16.56  
SINCE JAN 1 4.45 8.61 -4.16 14.69  
 
DEGREE DAYS  
HEATING  
TODAY 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  
TODAY 10 11 -1 14  
MONTH TO DATE 104 110 -6 135  
SINCE JUN 1 553 604 -51 662  
SINCE JAN 1 694 775 -81 694    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION S (200)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 2.7  
 
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 90 4:00 AM  
LOWEST 44 12:00 PM  
AVERAGE 67  
   
......................................................
 
 
THE FULLERTON AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 98 2022  
MINIMUM TEMPERATURE (F) 66 60 2010  
 
SUNRISE AND SUNSET  
AUGUST 10 2025........SUNRISE 6:10 AM PDT SUNSET 7:43 PM PDT  
AUGUST 11 2025........SUNRISE 6:11 AM PDT SUNSET 7:42 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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