600  
CDUS46 KSGX 170931  
CLIMYF  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
231 AM PDT FRI OCT 17 2025  
   
...............................  
 
...THE SAN DIEGO/MONTGOMERY FLD CA CLIMATE SUMMARY FOR OCTOBER 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 72 2:52 PM 100 2017 78 -6 66  
MINIMUM 50R 6:15 AM 54 1998 58 -8 62  
2008  
AVERAGE 61 68 -7 64  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.04 2005 0.02 -0.02 0.00  
MONTH TO DATE 0.50 0.21 0.29 0.00  
SINCE JUL 1 0.85 0.46 0.39 0.03  
SINCE OCT 1 0.50 0.21 0.29 0.00  
SINCE JAN 1 6.02 8.17 -2.15 11.48  
 
DEGREE DAYS  
HEATING  
YESTERDAY 4 1 3 1  
MONTH TO DATE 13 6 7 1  
SINCE SEP 1 13 8 5 2  
SINCE JUL 1 13 9 4 2  
 
COOLING  
YESTERDAY 0 4 -4 0  
MONTH TO DATE 30 73 -43 71  
SINCE SEP 1 283 300 -17 292  
SINCE JAN 1 863 946 -83 914    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION NW (320)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 4.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 4:00 AM  
LOWEST 41 1:00 PM  
AVERAGE 64  
   
......................................................  
 
THE SAN DIEGO/MONTGOMERY FLD CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 98 2012  
MINIMUM TEMPERATURE (F) 58 50 1998  
 
SUNRISE AND SUNSET  
OCTOBER 17 2025.......SUNRISE 6:55 AM PDT SUNSET 6:13 PM PDT  
OCTOBER 18 2025.......SUNRISE 6:55 AM PDT SUNSET 6:12 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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