321  
CDUS46 KSGX 220007  
CLISDM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
507 PM PDT MON JUL 21 2025  
   
...............................  
 
   
..THE SAN DIEGO/BROWN CLIMATE SUMMARY FOR JULY 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 75 MM 90 2016 79 -4 80  
MINIMUM 64 7:00 AM 55 1997 62 2 65  
AVERAGE 70 70 0 73  
 
PRECIPITATION (IN)  
TODAY 0.00 T 2015 0.01 -0.01 0.00  
MONTH TO DATE 0.00 0.03 -0.03 T  
SINCE JUL 1 0.00 0.03 -0.03 T  
SINCE OCT 1 4.10 10.03 -5.93 12.99  
SINCE JAN 1 4.00 6.94 -2.94 10.99  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 6 22 -16 6  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 5 5 0 8  
MONTH TO DATE 94 95 -1 146  
SINCE JUN 1 190 150 40 231  
SINCE JAN 1 238 198 40 231    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION W (260)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 8.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 7:00 AM  
LOWEST 55 11:00 AM  
AVERAGE 68  
   
......................................................  
 
THE SAN DIEGO/BROWN CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 110 2006  
MINIMUM TEMPERATURE (F) 62 56 1999  
 
SUNRISE AND SUNSET  
JULY 21 2025..........SUNRISE 5:55 AM PDT SUNSET 7:53 PM PDT  
JULY 22 2025..........SUNRISE 5:56 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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