717  
CDUS46 KSGX 170924  
CLIMYF  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
224 AM PDT WED SEP 17 2025  
   
...............................  
 
...THE SAN DIEGO/MONTGOMERY FLD CA CLIMATE SUMMARY FOR SEPTEMBER 16 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 90 11:31 AM 103 2014 82 8 72  
MINIMUM 65 5:13 AM 56 1999 64 1 62  
2016  
AVERAGE 78 73 5 67  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 T 2011 0.01 -0.01 0.00  
MONTH TO DATE T 0.07 -0.07 0.00  
SINCE JUL 1 0.07 0.15 -0.08 0.01  
SINCE OCT 1 5.36 10.92 -5.56 12.61  
SINCE JAN 1 5.24 7.86 -2.62 11.46  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 0 0 0 0  
SINCE JUL 1 0 1 -1 0  
 
COOLING  
YESTERDAY 13 8 5 2  
MONTH TO DATE 143 135 8 182  
SINCE SEP 1 143 135 8 182  
SINCE JAN 1 723 781 -58 804    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION NW (320)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 6.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 5:00 AM  
LOWEST 24 3:00 PM  
AVERAGE 61  
   
......................................................  
 
THE SAN DIEGO/MONTGOMERY FLD CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 100 2020  
MINIMUM TEMPERATURE (F) 64 55 2024  
 
SUNRISE AND SUNSET  
SEPTEMBER 17 2025.....SUNRISE 6:34 AM PDT SUNSET 6:51 PM PDT  
SEPTEMBER 18 2025.....SUNRISE 6:34 AM PDT SUNSET 6:50 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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