378  
CDUS46 KMTR 300837  
CLICCR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
137 AM PDT SUN APR 30 2023  
   
...............................
 
 
   
..THE CONCORD AIRPORT CLIMATE SUMMARY FOR APRIL 29 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 81 3:37 PM 90 2013 74 7 76  
MINIMUM 50 5:53 AM 39 2011 51 -1 45  
AVERAGE 66 62 4 61  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.00  
MONTH TO DATE 0.04 0.77  
SINCE OCT 1 24.28 11.15  
SINCE JAN 1 15.00 1.33  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 4  
MONTH TO DATE 195 142  
SINCE MAR 1 620 373  
SINCE JUL 1 2527 2042  
 
COOLING  
YESTERDAY 1 0  
MONTH TO DATE 22 11  
SINCE MAR 1 22 14  
SINCE JAN 1 22 14    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION NW (310)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 8.2  
 
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 93 6:00 AM  
LOWEST 38 3:00 PM  
AVERAGE 66  
   
......................................................
 
 
THE CONCORD AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 91 2015  
MINIMUM TEMPERATURE (F) 51 42 2002  
 
SUNRISE AND SUNSET  
APRIL 30 2023.........SUNRISE 6:13 AM PDT SUNSET 7:58 PM PDT  
MAY 1 2023...........SUNRISE 6:12 AM PDT SUNSET 7:59 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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