310  
CDUS46 KSGX 220007  
CLIMYF  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
507 PM PDT MON JUL 21 2025  
   
...............................  
 
...THE SAN DIEGO/MONTGOMERY FLD CA CLIMATE SUMMARY FOR JULY 21 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 72 2:48 PM 94 2016 80 -8 79  
MINIMUM 63 4:21 AM 61 2008 65 -2 66  
AVERAGE 68 72 -4 73  
 
PRECIPITATION (IN)  
TODAY 0.00 T 2013 0.00 0.00 0.00  
MONTH TO DATE 0.02 0.04 -0.02 T  
SINCE JUL 1 0.02 0.04 -0.02 T  
SINCE OCT 1 5.31 10.81 -5.50 12.60  
SINCE JAN 1 5.19 7.75 -2.56 11.45  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 3 14 -11 11  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 3 8 -5 8  
MONTH TO DATE 119 136 -17 155  
SINCE JUN 1 225 220 5 249  
SINCE JAN 1 281 300 -19 250    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION SW (220)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 6.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 12:00 AM  
LOWEST 61 1:00 PM  
AVERAGE 71  
   
......................................................  
 
THE SAN DIEGO/MONTGOMERY FLD CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 106 2006  
MINIMUM TEMPERATURE (F) 65 60 2010  
 
SUNRISE AND SUNSET  
JULY 21 2025..........SUNRISE 5:55 AM PDT SUNSET 7:54 PM PDT  
JULY 22 2025..........SUNRISE 5:56 AM PDT SUNSET 7:54 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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