435  
CDUS46 KSGX 112322  
CLIFUL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
422 PM PDT SUN MAY 11 2025  
   
...............................
 
 
   
..THE FULLERTON AIRPORT CA CLIMATE SUMMARY FOR MAY 11 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 87R 10:56 AM 87 2013 76 11 72  
MINIMUM 63 5:23 AM 49 2010 57 6 58  
AVERAGE 75 66 9 65  
 
PRECIPITATION (IN)  
TODAY 0.00 T 2020 0.01 -0.01 0.00  
MONTH TO DATE 0.02 0.13 -0.11 0.10  
SINCE JUL 1 3.93 11.61 -7.68 18.78  
SINCE OCT 1 3.93 11.43 -7.50 16.56  
SINCE JAN 1 3.90 8.33 -4.43 14.69  
 
DEGREE DAYS  
HEATING  
TODAY 0 1 -1 0  
MONTH TO DATE 16 15 1 11  
SINCE MAR 1 232 231 1 287  
SINCE JUL 1 942 1036 -94 911  
 
COOLING  
TODAY 10 2 8 0  
MONTH TO DATE 43 22 21 5  
SINCE MAR 1 51 92 -41 16  
SINCE JAN 1 52 107 -55 20    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION S (180)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 3.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 79 1:00 AM  
LOWEST 27 1:00 PM  
AVERAGE 53  
   
......................................................
 
 
THE FULLERTON AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 95 2014  
MINIMUM TEMPERATURE (F) 58 50 2010  
2022  
 
SUNRISE AND SUNSET  
MAY 11 2025...........SUNRISE 5:53 AM PDT SUNSET 7:43 PM PDT  
MAY 12 2025...........SUNRISE 5:53 AM PDT SUNSET 7:44 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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