658  
CDUS46 KMTR 020829  
CLICCR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1229 AM PST SAT DEC 02 2023  
   
...............................
 
 
   
..THE CONCORD AIRPORT CLIMATE SUMMARY FOR DECEMBER 1 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 61 4:07 PM 71 2021 60 1 53  
MINIMUM 42 6:56 AM 33 2004 42 0 38  
2010  
AVERAGE 52 51 1 46  
 
PRECIPITATION (IN)  
YESTERDAY T 0.53  
MONTH TO DATE T 0.53  
SINCE OCT 1 0.73 1.84  
SINCE JAN 1 16.20 3.35  
 
DEGREE DAYS  
HEATING  
YESTERDAY 13 19  
MONTH TO DATE 13 19  
SINCE DEC 1 13 19  
SINCE JUL 1 319 461  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 0 0  
SINCE DEC 1 0 0  
SINCE JAN 1 1015 1312    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION SW (240)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 7.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 10:00 PM  
LOWEST 44 1:00 PM  
AVERAGE 65  
   
......................................................
 
 
THE CONCORD AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 60 75 2011  
MINIMUM TEMPERATURE (F) 42 32 2004  
2022  
 
SUNRISE AND SUNSET  
DECEMBER 2 2023......SUNRISE 7:06 AM PST SUNSET 4:49 PM PST  
DECEMBER 3 2023......SUNRISE 7:07 AM PST SUNSET 4:49 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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