150  
CDUS46 KMTR 220029  
CLICCR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
529 PM PDT SUN MAY 21 2023  
   
...............................
 
 
   
..THE CONCORD AIRPORT CLIMATE SUMMARY FOR MAY 21 2023
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 82 3:59 PM 100 2000 79 3 86  
MINIMUM 54 5:22 AM 48 2009 54 0 52  
2021  
AVERAGE 68 66 2 69  
 
PRECIPITATION (IN)  
TODAY 0.00 0.00  
MONTH TO DATE 0.46 T  
SINCE OCT 1 24.74 11.15  
SINCE JAN 1 15.46 1.33  
 
DEGREE DAYS  
HEATING  
TODAY 0 0  
MONTH TO DATE 86 58  
SINCE MAR 1 710 432  
SINCE JUL 1 2617 2101  
 
COOLING  
TODAY 3 4  
MONTH TO DATE 35 44  
SINCE MAR 1 57 58  
SINCE JAN 1 57 58    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION SW (230)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 11.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 2:00 AM  
LOWEST 44 4:00 PM  
AVERAGE 67  
   
......................................................
 
 
THE CONCORD AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 99 2000  
MINIMUM TEMPERATURE (F) 54 44 2002  
 
SUNRISE AND SUNSET  
MAY 21 2023...........SUNRISE 5:53 AM PDT SUNSET 8:17 PM PDT  
MAY 22 2023...........SUNRISE 5:53 AM PDT SUNSET 8:18 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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