962  
CDUS46 KSGX 180923  
CLISDM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
123 AM PST WED DEC 18 2024  
   
...............................  
 
   
..THE SAN DIEGO/BROWN CLIMATE SUMMARY FOR DECEMBER 17 2024  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1997 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 71 1:55 PM 79 1999 66 5 76  
MINIMUM 40 4:45 AM 35 2001 43 -3 45  
AVERAGE 56 55 1 61  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.70 2008 0.06 -0.06 0.00  
MONTH TO DATE T 0.97 -0.97 T  
SINCE JUL 1 0.18 2.47 -2.29 2.69  
SINCE OCT 1 0.08 2.24 -2.16 1.24  
SINCE JAN 1 11.17 9.38 1.79 15.14  
 
DEGREE DAYS  
HEATING  
YESTERDAY 9 10 -1 4  
MONTH TO DATE 125 163 -38 110  
SINCE DEC 1 125 163 -38 110  
SINCE JUL 1 286 384 -98 222  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 864 732 132 713    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 0 RESULTANT WIND DIRECTION E (90)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 3.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 7:00 PM  
LOWEST 30 12:00 PM  
AVERAGE 58  
   
......................................................  
 
THE SAN DIEGO/BROWN CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 80 2004  
MINIMUM TEMPERATURE (F) 43 35 2001  
 
SUNRISE AND SUNSET  
DECEMBER 18 2024......SUNRISE 6:44 AM PST SUNSET 4:45 PM PST  
DECEMBER 19 2024......SUNRISE 6:45 AM PST SUNSET 4:46 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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