287  
CDUS46 KSGX 180025  
CLISDM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
425 PM PST SUN DEC 17 2023  
   
...............................
 
 
   
..THE SAN DIEGO/BROWN CLIMATE SUMMARY FOR DECEMBER 17 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 1:31 PM 79 1999 66 10 69  
MINIMUM 45 4:24 AM 35 2001 43 2 46  
AVERAGE 61 55 6 58  
 
PRECIPITATION (IN)  
TODAY 0.00 1.70 2008 0.06 -0.06 0.00  
MONTH TO DATE T 0.97 -0.97 0.67  
SINCE JUL 1 2.69 2.47 0.22 3.54  
SINCE OCT 1 1.24 2.24 -1.00 3.26  
SINCE JAN 1 15.14 9.38 5.76 8.75  
 
DEGREE DAYS  
HEATING  
TODAY 4 10 -6 7  
MONTH TO DATE 110 163 -53 195  
SINCE DEC 1 110 163 -53 195  
SINCE JUL 1 222 384 -162 445  
 
COOLING  
TODAY 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 1 RESULTANT WIND DIRECTION SE (150)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 4.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 34 1:00 AM  
LOWEST 18 9:00 AM  
AVERAGE 26  
   
......................................................
 
 
THE SAN DIEGO/BROWN CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 80 2004  
MINIMUM TEMPERATURE (F) 43 35 2001  
 
SUNRISE AND SUNSET  
DECEMBER 17 2023......SUNRISE 6:43 AM PST SUNSET 4:45 PM PST  
DECEMBER 18 2023......SUNRISE 6:44 AM PST SUNSET 4:45 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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