516  
CDUS46 KSGX 220031  
CLISDM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
531 PM PDT WED MAY 21 2025  
   
...............................  
 
   
..THE SAN DIEGO/BROWN CLIMATE SUMMARY FOR MAY 21 2025  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1997 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 84R 12:31 PM 83 2005 71 13 69  
MINIMUM 53 4:51 AM 51 1998 55 -2 55  
2002  
2020  
AVERAGE 69 63 6 62  
 
PRECIPITATION (IN)  
TODAY 0.00 0.12 2019 0.01 -0.01 0.00  
MONTH TO DATE 0.24 0.22 0.02 0.14  
SINCE JUL 1 4.16 10.08 -5.92 14.43  
SINCE OCT 1 4.06 9.85 -5.79 12.98  
SINCE JAN 1 3.96 6.76 -2.80 10.98  
 
DEGREE DAYS  
HEATING  
TODAY 0 3 -3 3  
MONTH TO DATE 53 71 -18 57  
SINCE MAR 1 107 478 -371 469  
SINCE JUL 1 864 1557 -693 1389  
 
COOLING  
TODAY 4 1 3 0  
MONTH TO DATE 31 21 10 0  
SINCE MAR 1 31 39 -8 0  
SINCE JAN 1 31 47 -16 0    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION NW (310)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 2.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 6:00 AM  
LOWEST 37 1:00 PM  
AVERAGE 69  
   
......................................................  
 
THE SAN DIEGO/BROWN CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 79 2005  
MINIMUM TEMPERATURE (F) 55 47 2002  
 
SUNRISE AND SUNSET  
MAY 21 2025...........SUNRISE 5:46 AM PDT SUNSET 7:44 PM PDT  
MAY 22 2025...........SUNRISE 5:45 AM PDT SUNSET 7:45 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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