511  
CDUS46 KSGX 190935  
CLISDM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
235 AM PDT TUE SEP 19 2023  
   
...............................
 
 
   
..THE SAN DIEGO/BROWN CLIMATE SUMMARY FOR SEPTEMBER 18 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 76 1:34 PM 97 2020 80 -4 76  
MINIMUM 57 11:50 PM 54 1958 61 -4 63  
2010  
2011  
AVERAGE 67 70 -3 70  
 
PRECIPITATION (IN)  
YESTERDAY T 0.01 1998 0.00 0.00 0.00  
MONTH TO DATE T 0.09 -0.09 0.28  
SINCE JUL 1 1.43 0.14 1.29 0.28  
SINCE OCT 1 17.74 10.14 7.60 9.89  
SINCE JAN 1 13.88 7.05 6.83 5.49  
 
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 2 -2 0  
 
COOLING  
YESTERDAY 2 5 -3 5  
MONTH TO DATE 122 113 9 227  
SINCE SEP 1 122 113 9 227  
SINCE JAN 1 588 580 8 949    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION NW (300)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 4.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 5:00 AM  
LOWEST 48 3:00 PM  
AVERAGE 68  
   
......................................................
 
 
THE SAN DIEGO/BROWN CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 86 2020  
MINIMUM TEMPERATURE (F) 60 53 2003  
2010  
 
SUNRISE AND SUNSET  
SEPTEMBER 19 2023.....SUNRISE 6:34 AM PDT SUNSET 6:49 PM PDT  
SEPTEMBER 20 2023.....SUNRISE 6:35 AM PDT SUNSET 6:47 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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