AFOS product CLIIAD
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CDUS41 KLWX 300524
CLIIAD

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 
124 AM EDT SAT MAY 30 2020

...................................

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 29 2020...

CLIMATE NORMAL PERIOD: 1981 TO 2010
CLIMATE RECORD PERIOD: 1960 TO 2020


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 YESTERDAY                                                           
  MAXIMUM         86   1:49 PM  97    1969  79      7       91        
  MINIMUM         66  11:59 PM  40    1997  56     10       66        
  AVERAGE         76                        67      9       79     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.08          1.00 1984   0.16  -0.08     0.00     
  MONTH TO DATE    2.40                      4.25  -1.85     4.72     
  SINCE MAR 1      9.95                     11.10  -1.15    12.09     
  SINCE JAN 1     16.52                     16.52   0.00    19.55     

SNOWFALL (IN)                                                              
  YESTERDAY        0.0          MM      MM   0.0    0.0      0.0      
  MONTH TO DATE    0.0                       0.0    0.0      0.0      
  SINCE MAR 1      T                         3.1   -3.1      1.6      
  SINCE JUL 1      2.9                      22.0  -19.1     26.5      
  SNOW DEPTH       0                                                 

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY        0                         2     -2        0        
  MONTH TO DATE  175                       127     48       60        
  SINCE MAR 1   1005                      1109   -104      942        
  SINCE JUL 1   4149                      4699   -550     4447        

 COOLING                                                              
  YESTERDAY       11                         4      7       14        
  MONTH TO DATE   65                        64      1      139        
  SINCE MAR 1     68                        84    -16      161        
  SINCE JAN 1     68                        84    -16      161        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION     W (270)       
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION     W (270)       
  AVERAGE WIND SPEED    11.6                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.8                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  THUNDERSTORM                                                        
  LIGHT RAIN                                                          
  FOG                                                                 


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    88          12:00 AM                                      
 LOWEST     57           2:00 PM                                      
 AVERAGE    73                                                        

..........................................................


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   79        95      1987                      
                                             1991                     
                                             2006                     
 MINIMUM TEMPERATURE (F)   56        38      1996                      


SUNRISE AND SUNSET                                                    
MAY 30 2020...........SUNRISE   5:47 AM EDT   SUNSET   8:28 PM EDT     
MAY 31 2020...........SUNRISE   5:46 AM EDT   SUNSET   8:29 PM EDT     


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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