169  
CDUS46 KSGX 131023  
CLISDM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
223 AM PST WED DEC 13 2023  
   
...............................
 
 
   
..THE SAN DIEGO/BROWN CLIMATE SUMMARY FOR DECEMBER 12 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 69 12:25 PM 87 2010 67 2 52  
MINIMUM 38R 7:09 AM 38 2007 44 -6 43  
AVERAGE 54 55 -1 48  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.89 2014 0.06 -0.06 0.04  
MONTH TO DATE T 0.67 -0.67 0.67  
SINCE JUL 1 2.69 2.17 0.52 3.54  
SINCE OCT 1 1.24 1.94 -0.70 3.26  
SINCE JAN 1 15.14 9.08 6.06 8.75  
 
DEGREE DAYS  
HEATING  
YESTERDAY 11 10 1 17  
MONTH TO DATE 89 113 -24 142  
SINCE DEC 1 89 113 -24 142  
SINCE JUL 1 201 334 -133 392  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 713 732 -19 1139    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION S (180)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 5.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 12:00 AM  
LOWEST 45 9:00 AM  
AVERAGE 71  
   
......................................................
 
 
THE SAN DIEGO/BROWN CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 84 2010  
MINIMUM TEMPERATURE (F) 44 36 1999  
 
SUNRISE AND SUNSET  
DECEMBER 13 2023......SUNRISE 6:41 AM PST SUNSET 4:43 PM PST  
DECEMBER 14 2023......SUNRISE 6:42 AM PST SUNSET 4:43 PM PST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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