353  
CDUS46 KMTR 180839  
CLICCR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
139 AM PDT TUE JUL 18 2023  
   
...............................
 
 
   
..THE CONCORD AIRPORT CLIMATE SUMMARY FOR JULY 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 99 2:40 PM 106 2006 88 11 97  
MINIMUM 64 11:37 PM 54 1999 59 5 58  
AVERAGE 82 74 8 78  
 
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 0 0  
MONTH TO DATE 4 2  
SINCE JUN 1 14 4  
SINCE JUL 1 4 2  
 
COOLING  
YESTERDAY 17 13  
MONTH TO DATE 147 132  
SINCE JUN 1 218 389  
SINCE JAN 1 280 495    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 9.9  
 
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 73 4:00 AM  
LOWEST 24 2:00 PM  
AVERAGE 49  
   
......................................................
 
 
THE CONCORD AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 103 2003  
MINIMUM TEMPERATURE (F) 59 49 1999  
 
SUNRISE AND SUNSET  
JULY 18 2023..........SUNRISE 6:00 AM PDT SUNSET 8:29 PM PDT  
JULY 19 2023..........SUNRISE 6:01 AM PDT SUNSET 8:28 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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