582  
CDUS46 KSGX 260022  
CLIFUL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
522 PM PDT THU SEP 25 2025  
   
...............................
 
 
   
..THE FULLERTON AIRPORT CA CLIMATE SUMMARY FOR SEPTEMBER 25 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 78 2:19 PM 102 2016 84 -6 78  
MINIMUM 66 7:04 AM 56 2017 63 3 62  
AVERAGE 72 73 -1 70  
 
PRECIPITATION (IN)  
TODAY 0.00 0.00 MM 0.01 -0.01 0.00  
MONTH TO DATE 0.04 0.11 -0.07 T  
SINCE JUL 1 0.04 0.15 -0.11 T  
SINCE OCT 1 4.52 11.83 -7.31 16.56  
SINCE JAN 1 4.49 8.73 -4.24 14.69  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 7 8 -1 5  
MONTH TO DATE 301 261 40 283  
SINCE SEP 1 301 261 40 283  
SINCE JAN 1 1258 1284 -26 1217    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION S (160)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 3.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 2:00 AM  
LOWEST 60 1:00 PM  
AVERAGE 77  
   
......................................................
 
 
THE FULLERTON AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 107 2010  
2016  
MINIMUM TEMPERATURE (F) 63 56 2005  
 
SUNRISE AND SUNSET  
SEPTEMBER 25 2025.....SUNRISE 6:42 AM PDT SUNSET 6:44 PM PDT  
SEPTEMBER 26 2025.....SUNRISE 6:43 AM PDT SUNSET 6:42 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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