305  
CDUS46 KSGX 280907  
CLISDM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
207 AM PDT THU SEP 28 2023  
   
...............................
 
 
   
..THE SAN DIEGO/BROWN CLIMATE SUMMARY FOR SEPTEMBER 27 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1997 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 79 2:39 PM 108 2010 78 1 91  
MINIMUM 52 5:02 AM 49 2013 59 -7 62  
AVERAGE 66 69 -3 77  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.02 2019 0.00 0.00 0.00  
MONTH TO DATE T 0.15 -0.15 0.28  
SINCE JUL 1 1.43 0.20 1.23 0.28  
SINCE OCT 1 17.74 10.20 7.54 9.89  
SINCE JAN 1 13.88 7.11 6.77 5.49  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 1 0 1 0  
SINCE SEP 1 1 0 1 0  
SINCE JUL 1 1 2 -1 0  
 
COOLING  
YESTERDAY 1 4 -3 12  
MONTH TO DATE 143 153 -10 302  
SINCE SEP 1 143 153 -10 302  
SINCE JAN 1 609 620 -11 1024    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION N (350)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 3.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 7:00 AM  
LOWEST 54 1:00 PM  
AVERAGE 76  
   
......................................................
 
 
THE SAN DIEGO/BROWN CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 99 2005  
MINIMUM TEMPERATURE (F) 59 52 2001  
 
SUNRISE AND SUNSET  
SEPTEMBER 28 2023.....SUNRISE 6:40 AM PDT SUNSET 6:37 PM PDT  
SEPTEMBER 29 2023.....SUNRISE 6:41 AM PDT SUNSET 6:35 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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