847  
CDUS46 KSGX 170918  
CLIMYF  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
218 AM PDT SUN AUG 17 2025  
   
...............................  
 
...THE SAN DIEGO/MONTGOMERY FLD CA CLIMATE SUMMARY FOR AUGUST 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 74 1:14 PM 96 2015 82 -8 80  
MINIMUM 63 5:01 AM 59 2010 65 -2 66  
AVERAGE 69 74 -5 73  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.00 2006 0.00 0.00 0.00  
MONTH TO DATE 0.00 0.01 -0.01 0.01  
SINCE JUL 1 0.02 0.08 -0.06 0.01  
SINCE OCT 1 5.31 10.85 -5.54 12.61  
SINCE JAN 1 5.19 7.79 -2.60 11.46  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 3 15 -12 11  
SINCE JUL 1 0 1 -1 0  
 
COOLING  
YESTERDAY 4 9 -5 8  
MONTH TO DATE 95 133 -38 163  
SINCE JUN 1 368 431 -63 502  
SINCE JAN 1 424 511 -87 503    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION SW (220)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 5.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 3:00 AM  
LOWEST 61 1:00 PM  
AVERAGE 77  
   
......................................................  
 
THE SAN DIEGO/MONTGOMERY FLD CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 93 2012  
2016  
MINIMUM TEMPERATURE (F) 65 61 2011  
 
SUNRISE AND SUNSET  
AUGUST 17 2025........SUNRISE 6:14 AM PDT SUNSET 7:31 PM PDT  
AUGUST 18 2025........SUNRISE 6:14 AM PDT SUNSET 7:30 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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