142  
CDUS46 KMTR 100831  
CLICCR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
131 AM PDT MON JUL 10 2023  
   
...............................
 
 
   
..THE CONCORD AIRPORT CLIMATE SUMMARY FOR JULY 9 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 71 4:44 PM 105 2008 88 -17 86  
MINIMUM 55 6:13 AM 53 1999 59 -4 58  
AVERAGE 63 73 -10 72  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.00  
MONTH TO DATE 0.00 0.00  
SINCE OCT 1 24.74 11.15  
SINCE JAN 1 15.46 1.33  
 
DEGREE DAYS  
HEATING  
YESTERDAY 2 0  
MONTH TO DATE 4 2  
SINCE JUN 1 14 4  
SINCE JUL 1 4 2  
 
COOLING  
YESTERDAY 0 7  
MONTH TO DATE 51 41  
SINCE JUN 1 122 298  
SINCE JAN 1 184 404    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 14 RESULTANT WIND DIRECTION S (200)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 14.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 11:00 PM  
LOWEST 47 3:00 PM  
AVERAGE 66  
   
......................................................
 
 
THE CONCORD AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 107 2002  
MINIMUM TEMPERATURE (F) 59 53 2012  
 
SUNRISE AND SUNSET  
JULY 10 2023..........SUNRISE 5:54 AM PDT SUNSET 8:33 PM PDT  
JULY 11 2023..........SUNRISE 5:55 AM PDT SUNSET 8:32 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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