975  
CDUS46 KSGX 131023  
CLIMYF  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
223 AM PST WED DEC 13 2023  
   
...............................  
 
...THE SAN DIEGO/MONTGOMERY FLD CA CLIMATE SUMMARY FOR DECEMBER 12 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 64 1:24 PM 86 2010 67 -3 56  
MINIMUM 46 4:34 AM 39 2003 45 1 43  
AVERAGE 55 56 -1 50  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.42 2011 0.05 -0.05 0.28  
MONTH TO DATE 0.01 0.54 -0.53 0.96  
SINCE JUL 1 2.71 2.24 0.47 2.49  
SINCE OCT 1 0.51 1.99 -1.48 2.07  
SINCE JAN 1 16.33 9.95 6.38 5.24  
 
DEGREE DAYS  
HEATING  
YESTERDAY 10 9 1 15  
MONTH TO DATE 77 101 -24 125  
SINCE DEC 1 77 101 -24 125  
SINCE JUL 1 149 268 -119 346  
 
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 3 RESULTANT WIND DIRECTION SE (150)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 4.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 12:00 AM  
LOWEST 60 12:00 PM  
AVERAGE 77  
   
......................................................  
 
THE SAN DIEGO/MONTGOMERY FLD CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 84 2010  
MINIMUM TEMPERATURE (F) 45 39 2013  
 
SUNRISE AND SUNSET  
DECEMBER 13 2023......SUNRISE 6:42 AM PST SUNSET 4:43 PM PST  
DECEMBER 14 2023......SUNRISE 6:43 AM PST SUNSET 4:44 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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