157  
CDUS46 KSGX 121021  
CLIMYF  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
221 AM PST TUE DEC 12 2023  
   
...............................
 
 
...THE SAN DIEGO/MONTGOMERY FLD CA CLIMATE SUMMARY FOR DECEMBER 11 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 73 12:26 PM 85 2017 67 6 57  
MINIMUM 46 6:48 AM 39 1998 45 1 47  
AVERAGE 60 56 4 52  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.68 2022 0.05 -0.05 0.68  
MONTH TO DATE 0.01 0.49 -0.48 0.68  
SINCE JUL 1 2.71 2.19 0.52 2.21  
SINCE OCT 1 0.51 1.94 -1.43 1.79  
SINCE JAN 1 16.33 9.90 6.43 4.96  
 
DEGREE DAYS  
HEATING  
YESTERDAY 5 9 -4 13  
MONTH TO DATE 67 92 -25 110  
SINCE DEC 1 67 92 -25 110  
SINCE JUL 1 139 259 -120 331  
 
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 1 RESULTANT WIND DIRECTION SW (220)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 2.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 9:00 PM  
LOWEST 15 11:00 AM  
AVERAGE 54  
   
......................................................
 
 
THE SAN DIEGO/MONTGOMERY FLD CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 86 2010  
MINIMUM TEMPERATURE (F) 45 39 2003  
 
SUNRISE AND SUNSET  
DECEMBER 12 2023......SUNRISE 6:41 AM PST SUNSET 4:43 PM PST  
DECEMBER 13 2023......SUNRISE 6:42 AM PST SUNSET 4:43 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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