987  
CDUS46 KSGX 210022  
CLISDM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
422 PM PST FRI DEC 20 2024  
   
...............................  
 
   
..THE SAN DIEGO/BROWN CLIMATE SUMMARY FOR DECEMBER 20 2024  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 70 2:17 PM 81 2020 66 4 72  
MINIMUM 43 2:45 AM 35 2021 43 0 48  
AVERAGE 57 55 2 60  
 
PRECIPITATION (IN)  
TODAY 0.00 0.49 2010 0.06 -0.06 0.03  
MONTH TO DATE T 1.15 -1.15 0.03  
SINCE JUL 1 0.18 2.65 -2.47 2.72  
SINCE OCT 1 0.08 2.42 -2.34 1.27  
SINCE JAN 1 11.17 9.56 1.61 15.17  
 
DEGREE DAYS  
HEATING  
TODAY 8 10 -2 5  
MONTH TO DATE 137 193 -56 123  
SINCE DEC 1 137 193 -56 123  
SINCE JUL 1 298 414 -116 235  
 
COOLING  
TODAY 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 2 RESULTANT WIND DIRECTION E (100)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 3.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 70 3:00 AM  
LOWEST 28 9:00 AM  
AVERAGE 49  
   
......................................................  
 
THE SAN DIEGO/BROWN CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 87 2005  
MINIMUM TEMPERATURE (F) 43 36 2006  
 
SUNRISE AND SUNSET  
DECEMBER 20 2024......SUNRISE 6:46 AM PST SUNSET 4:46 PM PST  
DECEMBER 21 2024......SUNRISE 6:46 AM PST SUNSET 4:47 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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