109  
CDUS46 KSGX 010929  
CLIFUL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
229 AM PDT MON SEP 01 2025  
   
...............................
 
 
   
..THE FULLERTON AIRPORT CA CLIMATE SUMMARY FOR AUGUST 31 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 96 1:40 PM 104 2007 87 9 85  
MINIMUM 68 5:35 AM 58 2010 66 2 65  
AVERAGE 82 77 5 75  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.01 2017 0.00 0.00 0.00  
MONTH TO DATE T 0.02 -0.02 0.00  
SINCE JUL 1 T 0.04 -0.04 0.00  
SINCE OCT 1 4.48 11.72 -7.24 16.56  
SINCE JAN 1 4.45 8.62 -4.17 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 17 12 5 10  
MONTH TO DATE 367 358 9 375  
SINCE JUN 1 816 852 -36 902  
SINCE JAN 1 957 1023 -66 934    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION SW (220)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 3.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 4:00 AM  
LOWEST 31 4:00 PM  
AVERAGE 55  
   
......................................................
 
 
THE FULLERTON AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 106 1998  
2017  
MINIMUM TEMPERATURE (F) 66 59 2005  
 
SUNRISE AND SUNSET  
SEPTEMBER 1 2025.....SUNRISE 6:26 AM PDT SUNSET 7:17 PM PDT  
SEPTEMBER 2 2025.....SUNRISE 6:27 AM PDT SUNSET 7:16 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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