055  
CDUS46 KMTR 280829  
CLICCR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
128 AM PDT FRI APR 28 2017  
 
   
...............................
 
 
   
..THE CONCORD AIRPORT CLIMATE SUMMARY FOR APRIL 27 2017
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1999 TO 2017  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 76 149 PM 94 2004 72 4 68  
MINIMUM 50 537 AM 41 2012 49 1 51  
2003  
AVERAGE 63 61 2 60  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 T  
MONTH TO DATE 2.53 1.05  
SINCE OCT 1 24.95 14.46  
SINCE JAN 1 19.20 10.88  
 
DEGREE DAYS  
HEATING  
YESTERDAY 2 5  
MONTH TO DATE 143 64  
SINCE MAR 1 337 264  
SINCE JUL 1 1918 1766  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 1 21  
SINCE MAR 1 1 21  
SINCE JAN 1 1 21    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION W (270)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 8.1  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 200 AM  
LOWEST 31 200 PM  
AVERAGE 60  
   
......................................................
 
 
 
THE CONCORD AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 89 2013  
2007  
MINIMUM TEMPERATURE (F) 49 41 2002  
 
 
SUNRISE AND SUNSET  
APRIL 28 2017.........SUNRISE 615 AM PDT SUNSET 757 PM PDT  
APRIL 29 2017.........SUNRISE 614 AM PDT SUNSET 758 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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