299  
CDUS46 KSGX 210928  
CLIMYF  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
228 AM PDT THU SEP 21 2023  
   
...............................
 
 
...THE SAN DIEGO/MONTGOMERY FLD CA CLIMATE SUMMARY FOR SEPTEMBER 20 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 74 3:16 PM 99 2015 81 -7 80  
MINIMUM 63 11:59 PM 54 1999 63 0 61  
AVERAGE 69 72 -3 71  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.21 2016 0.00 0.00 0.00  
MONTH TO DATE 0.03 0.09 -0.06 0.41  
SINCE JUL 1 2.18 0.17 2.01 0.42  
SINCE OCT 1 18.30 10.94 7.36 7.19  
SINCE JAN 1 15.80 7.88 7.92 3.17  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 0 0 0 0  
SINCE JUL 1 0 1 -1 0  
 
COOLING  
YESTERDAY 4 7 -3 6  
MONTH TO DATE 160 164 -4 235  
SINCE SEP 1 160 164 -4 235  
SINCE JAN 1 711 810 -99 1107    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 5.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 9:00 PM  
LOWEST 53 3:00 PM  
AVERAGE 66  
   
......................................................
 
 
THE SAN DIEGO/MONTGOMERY FLD CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 98 2021  
MINIMUM TEMPERATURE (F) 63 53 2007  
 
SUNRISE AND SUNSET  
SEPTEMBER 21 2023.....SUNRISE 6:36 AM PDT SUNSET 6:47 PM PDT  
SEPTEMBER 22 2023.....SUNRISE 6:37 AM PDT SUNSET 6:45 PM PDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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