859  
CDUS46 KMTR 180829  
CLICCR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1229 AM PST SAT NOV 18 2023  
   
...............................
 
 
   
..THE CONCORD AIRPORT CLIMATE SUMMARY FOR NOVEMBER 17 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1999 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 68 1:40 PM 77 2019 65 3 64  
MINIMUM 50 7:56 AM 33 2000 45 5 37  
AVERAGE 59 55 4 51  
 
PRECIPITATION (IN)  
YESTERDAY 0.10 0.00  
MONTH TO DATE 0.23 1.31  
SINCE OCT 1 0.27 1.31  
SINCE JAN 1 15.74 2.82  
 
DEGREE DAYS  
HEATING  
YESTERDAY 6 14  
MONTH TO DATE 88 214  
SINCE SEP 1 143 261  
SINCE JUL 1 147 263  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 7 0  
SINCE SEP 1 246 361  
SINCE JAN 1 1015 1312    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION E (80)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 3.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 10:00 PM  
LOWEST 61 11:00 AM  
AVERAGE 79  
   
......................................................
 
 
THE CONCORD AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 65 78 2019  
MINIMUM TEMPERATURE (F) 45 34 2000  
 
SUNRISE AND SUNSET  
NOVEMBER 18 2023......SUNRISE 6:52 AM PST SUNSET 4:54 PM PST  
NOVEMBER 19 2023......SUNRISE 6:53 AM PST SUNSET 4:54 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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