967  
CDUS46 KSGX 210929  
CLIMYF  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
229 AM PDT SUN SEP 21 2025  
   
...............................
 
 
...THE SAN DIEGO/MONTGOMERY FLD CA CLIMATE SUMMARY FOR SEPTEMBER 20 2025...  
 
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)  
YESTERDAY  
MAXIMUM 79 12:36 PM 99 2015 81 -2 72  
MINIMUM 66 11:59 PM 54 1999 63 3 60  
AVERAGE 73 72 1 66  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.21 2016 0.00 0.00 0.02  
MONTH TO DATE 0.26 0.09 0.17 0.02  
SINCE JUL 1 0.33 0.17 0.16 0.03  
SINCE OCT 1 5.62 10.94 -5.32 12.63  
SINCE JAN 1 5.50 7.88 -2.38 11.48  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 1  
SINCE SEP 1 0 0 0 1  
SINCE JUL 1 0 1 -1 1  
 
COOLING  
YESTERDAY 8 7 1 1  
MONTH TO DATE 185 164 21 187  
SINCE SEP 1 185 164 21 187  
SINCE JAN 1 765 810 -45 809    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION NW (320)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 7.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 12:00 AM  
LOWEST 64 1:00 PM  
AVERAGE 81  
   
......................................................
 
 
THE SAN DIEGO/MONTGOMERY FLD CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 98 2021  
MINIMUM TEMPERATURE (F) 63 53 2007  
 
SUNRISE AND SUNSET  
SEPTEMBER 21 2025.....SUNRISE 6:36 AM PDT SUNSET 6:46 PM PDT  
SEPTEMBER 22 2025.....SUNRISE 6:37 AM PDT SUNSET 6:45 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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