654  
CDUS46 KSGX 202325  
CLISDM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
425 PM PDT WED SEP 20 2023  
   
...............................
 
 
   
..THE SAN DIEGO/BROWN CLIMATE SUMMARY FOR SEPTEMBER 20 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 76 11:28 AM 99 2015 79 -3 81  
MINIMUM 62 5:24 AM 50 1999 60 2 60  
AVERAGE 69 70 -1 71  
 
PRECIPITATION (IN)  
TODAY 0.00 0.73 2016 0.00 0.00 0.00  
MONTH TO DATE T 0.10 -0.10 0.28  
SINCE JUL 1 1.43 0.15 1.28 0.28  
SINCE OCT 1 17.74 10.15 7.59 9.89  
SINCE JAN 1 13.88 7.06 6.82 5.49  
 
DEGREE DAYS  
HEATING  
TODAY 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  
TODAY 4 5 -1 6  
MONTH TO DATE 126 123 3 238  
SINCE SEP 1 126 123 3 238  
SINCE JAN 1 592 590 2 960    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION W (260)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 4.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 3:00 AM  
LOWEST 53 8:00 AM  
AVERAGE 66  
   
......................................................
 
 
THE SAN DIEGO/BROWN CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 93 2021  
MINIMUM TEMPERATURE (F) 60 50 2007  
 
SUNRISE AND SUNSET  
SEPTEMBER 20 2023.....SUNRISE 6:35 AM PDT SUNSET 6:47 PM PDT  
SEPTEMBER 21 2023.....SUNRISE 6:35 AM PDT SUNSET 6:46 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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