251  
CDUS46 KSGX 220016  
CLIFUL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
516 PM PDT SUN MAY 21 2023  
   
...............................
 
 
   
..THE FULLERTON AIRPORT CA CLIMATE SUMMARY FOR MAY 21 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 76 1:55 PM 91 2003 76 0 73  
MINIMUM 61 5:03 AM 50 2002 59 2 61  
AVERAGE 69 67 2 67  
 
PRECIPITATION (IN)  
TODAY 0.00 0.03 2006 0.01 -0.01 0.00  
MONTH TO DATE 0.78 0.23 0.55 T  
SINCE JUL 1 22.52 11.71 10.81 6.65  
SINCE OCT 1 22.29 11.53 10.76 6.46  
SINCE JAN 1 16.95 8.43 8.52 1.03  
 
DEGREE DAYS  
HEATING  
TODAY 0 1 -1 0  
MONTH TO DATE 32 25 7 15  
SINCE MAR 1 281 241 40 140  
SINCE JUL 1 1137 1046 91 818  
 
COOLING  
TODAY 4 3 1 2  
MONTH TO DATE 21 51 -30 51  
SINCE MAR 1 48 121 -73 155  
SINCE JAN 1 54 136 -82 184    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION S (170)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 3.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 5:00 AM  
LOWEST 56 2:00 PM  
AVERAGE 78  
   
......................................................
 
 
THE FULLERTON AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 85 2005  
MINIMUM TEMPERATURE (F) 59 52 2002  
 
SUNRISE AND SUNSET  
MAY 21 2023...........SUNRISE 5:47 AM PDT SUNSET 7:50 PM PDT  
MAY 22 2023...........SUNRISE 5:46 AM PDT SUNSET 7:51 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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