576  
CDUS46 KSGX 170025  
CLIFUL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
525 PM PDT FRI MAY 16 2025  
   
...............................  
 
   
..THE FULLERTON AIRPORT CA CLIMATE SUMMARY FOR MAY 16 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 73 1:33 PM 102 2008 76 -3 68  
MINIMUM 58 12:55 AM 49 2011 58 0 60  
AVERAGE 66 67 -1 64  
 
PRECIPITATION (IN)  
TODAY 0.00 0.29 2019 0.01 -0.01 0.00  
MONTH TO DATE 0.02 0.18 -0.16 0.10  
SINCE JUL 1 4.48 11.66 -7.18 18.78  
SINCE OCT 1 4.48 11.48 -7.00 16.56  
SINCE JAN 1 4.45 8.38 -3.93 14.69  
 
DEGREE DAYS  
HEATING  
TODAY 0 1 -1 1  
MONTH TO DATE 18 20 -2 13  
SINCE MAR 1 226 236 -10 289  
SINCE JUL 1 936 1041 -105 913  
 
COOLING  
TODAY 1 3 -2 0  
MONTH TO DATE 47 36 11 8  
SINCE MAR 1 55 106 -51 19  
SINCE JAN 1 55 121 -66 23    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION S (170)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 2.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 44 3:00 AM  
LOWEST 25 3:00 PM  
AVERAGE 35  
   
......................................................  
 
THE FULLERTON AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 97 2008  
MINIMUM TEMPERATURE (F) 58 51 2011  
 
SUNRISE AND SUNSET  
MAY 16 2025...........SUNRISE 5:50 AM PDT SUNSET 7:47 PM PDT  
MAY 17 2025...........SUNRISE 5:49 AM PDT SUNSET 7:48 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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