943  
CDUS46 KSGX 200923  
CLIMYF  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
223 AM PDT WED SEP 20 2023  
   
...............................
 
 
...THE SAN DIEGO/MONTGOMERY FLD CA CLIMATE SUMMARY FOR SEPTEMBER 19 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 77 1:20 PM 91 2020 81 -4 77  
MINIMUM 58 3:33 AM 56 1999 63 -5 62  
AVERAGE 68 72 -4 70  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.01 2005 0.01 -0.01 0.00  
2005  
2016  
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 3 7 -4 5  
MONTH TO DATE 156 157 -1 229  
SINCE SEP 1 156 157 -1 229  
SINCE JAN 1 707 803 -96 1101    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION W (270)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 4.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 6:00 AM  
LOWEST 55 12:00 PM  
AVERAGE 71  
   
......................................................
 
 
THE SAN DIEGO/MONTGOMERY FLD CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 99 2015  
MINIMUM TEMPERATURE (F) 63 54 1999  
 
SUNRISE AND SUNSET  
SEPTEMBER 20 2023.....SUNRISE 6:35 AM PDT SUNSET 6:48 PM PDT  
SEPTEMBER 21 2023.....SUNRISE 6:36 AM PDT SUNSET 6:47 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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