133  
CDUS46 KMTR 170841  
CLICCR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
141 AM PDT MON JUL 17 2023  
   
...............................
 
 
   
..THE CONCORD AIRPORT CLIMATE SUMMARY FOR JULY 16 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 104 2:22 PM 105 2017 88 16 99  
MINIMUM 61 4:21 AM 55 1999 59 2 56  
AVERAGE 83 73 10 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 18 13  
MONTH TO DATE 130 119  
SINCE JUN 1 201 376  
SINCE JAN 1 263 482    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION NW (310)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 5.8  
 
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 84 4:00 AM  
LOWEST 24 3:00 PM  
AVERAGE 54  
   
......................................................
 
 
THE CONCORD AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 106 2006  
MINIMUM TEMPERATURE (F) 59 54 1999  
 
SUNRISE AND SUNSET  
JULY 17 2023..........SUNRISE 5:59 AM PDT SUNSET 8:29 PM PDT  
JULY 18 2023..........SUNRISE 6:00 AM PDT SUNSET 8:29 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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