013  
CDUS46 KSGX 211100  
CLISDM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
300 AM PST THU DEC 21 2023  
   
...............................  
 
   
..THE SAN DIEGO/BROWN CLIMATE SUMMARY FOR DECEMBER 20 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 72 12:04 PM 81 2020 66 6 64  
MINIMUM 48 6:04 AM 35 2021 43 5 37  
AVERAGE 60 55 5 51  
 
PRECIPITATION (IN)  
YESTERDAY 0.03 0.49 2010 0.06 -0.03 0.00  
MONTH TO DATE 0.03 1.15 -1.12 0.67  
SINCE JUL 1 2.72 2.65 0.07 3.54  
SINCE OCT 1 1.27 2.42 -1.15 3.26  
SINCE JAN 1 15.17 9.56 5.61 8.75  
 
DEGREE DAYS  
HEATING  
YESTERDAY 5 10 -5 14  
MONTH TO DATE 123 193 -70 238  
SINCE DEC 1 123 193 -70 238  
SINCE JUL 1 235 414 -179 488  
 
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 6 RESULTANT WIND DIRECTION S (170)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 7.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 5:00 AM  
LOWEST 55 12:00 PM  
AVERAGE 76  
   
......................................................  
 
THE SAN DIEGO/BROWN CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 87 2005  
MINIMUM TEMPERATURE (F) 43 36 2006  
 
SUNRISE AND SUNSET  
DECEMBER 21 2023......SUNRISE 6:46 AM PST SUNSET 4:46 PM PST  
DECEMBER 22 2023......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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