319  
CDUS46 KSGX 190929  
CLIMYF  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
129 AM PST TUE DEC 19 2023  
   
...............................
 
 
...THE SAN DIEGO/MONTGOMERY FLD CA CLIMATE SUMMARY FOR DECEMBER 18 2023...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 76 2:17 PM 80 2004 67 9 64  
MINIMUM 50 3:42 AM 37 2016 45 5 42  
AVERAGE 63 56 7 53  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.48 2012 0.05 -0.05 0.00  
MONTH TO DATE 0.01 0.85 -0.84 0.96  
SINCE JUL 1 2.71 2.55 0.16 2.49  
SINCE OCT 1 0.51 2.30 -1.79 2.07  
SINCE JAN 1 16.33 10.26 6.07 5.24  
 
DEGREE DAYS  
HEATING  
YESTERDAY 2 9 -7 12  
MONTH TO DATE 99 155 -56 199  
SINCE DEC 1 99 155 -56 199  
SINCE JUL 1 171 322 -151 420  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 888 1016 -128 1317    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 0 RESULTANT WIND DIRECTION SE (120)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 3.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 68 1:00 AM  
LOWEST 20 2:00 PM  
AVERAGE 44  
   
......................................................
 
 
THE SAN DIEGO/MONTGOMERY FLD CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 80 2004  
MINIMUM TEMPERATURE (F) 45 36 2006  
 
SUNRISE AND SUNSET  
DECEMBER 19 2023......SUNRISE 6:46 AM PST SUNSET 4:45 PM PST  
DECEMBER 20 2023......SUNRISE 6:46 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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