332  
CDUS46 KMTR 210832  
CLICCR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
132 AM PDT THU MAY 21 2026  
   
...............................  
 
   
..THE CONCORD AIRPORT CLIMATE SUMMARY FOR MAY 20 2026  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1999 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 90 4:41 PM 97 2001 78 12 85  
MINIMUM 56 4:41 AM 47 2010 54 2 56  
AVERAGE 73 66 7 71  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.00  
MONTH TO DATE 0.07 0.12  
SINCE OCT 1 6.51 4.30  
SINCE JAN 1 3.37 2.04  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0  
MONTH TO DATE 21 20  
SINCE MAR 1 240 447  
SINCE JUL 1 1728 1991  
 
COOLING  
YESTERDAY 8 6  
MONTH TO DATE 50 48  
SINCE MAR 1 105 59  
SINCE JAN 1 106 59    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION NW (310)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 4.4  
 
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 80 5:00 AM  
LOWEST 16 4:00 PM  
AVERAGE 48  
   
......................................................  
 
THE CONCORD AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 100 2000  
MINIMUM TEMPERATURE (F) 54 48 2009  
2021  
 
SUNRISE AND SUNSET  
MAY 21 2026...........SUNRISE 5:53 AM PDT SUNSET 8:17 PM PDT  
MAY 22 2026...........SUNRISE 5:52 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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