311  
CDUS46 KSGX 230923  
CLIFUL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
223 AM PDT FRI MAY 23 2025  
   
...............................
 
 
   
..THE FULLERTON AIRPORT CA CLIMATE SUMMARY FOR MAY 22 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 81 1:24 PM 85 2005 76 5 73  
MINIMUM 60 12:55 AM 52 2002 59 1 58  
AVERAGE 71 67 4 66  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.76 2006 0.01 -0.01 0.00  
MONTH TO DATE 0.02 0.24 -0.22 0.10  
SINCE JUL 1 4.48 11.72 -7.24 18.78  
SINCE OCT 1 4.48 11.54 -7.06 16.56  
SINCE JAN 1 4.45 8.44 -3.99 14.69  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 19 26 -7 13  
SINCE MAR 1 227 242 -15 289  
SINCE JUL 1 937 1047 -110 913  
 
COOLING  
YESTERDAY 6 3 3 1  
MONTH TO DATE 77 54 23 11  
SINCE MAR 1 85 124 -39 22  
SINCE JAN 1 85 139 -54 26    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION S (160)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 4.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST MM  
LOWEST MM  
AVERAGE MM  
   
......................................................
 
 
THE FULLERTON AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 85 2017  
MINIMUM TEMPERATURE (F) 59 53 2021  
 
SUNRISE AND SUNSET  
MAY 23 2025...........SUNRISE 5:46 AM PDT SUNSET 7:52 PM PDT  
MAY 24 2025...........SUNRISE 5:45 AM PDT SUNSET 7:53 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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