AFOS product CLIIAD
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CLIIAD

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 
126 AM EDT SUN MAY 24 2020

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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 23 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         83   4:09 PM  92    1964  77      6       88        
  MINIMUM         60   5:26 AM  39    1971  53      7       59        
                                      1990                           
                                      2002                           
  AVERAGE         72                        65      7       74     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.23          2.40 2010   0.16   0.07     0.27     
  MONTH TO DATE    2.25                      3.34  -1.09     4.31     
  SINCE MAR 1      9.80                     10.19  -0.39    11.68     
  SINCE JAN 1     16.37                     15.61   0.76    19.14     

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                         3     -3        0        
  MONTH TO DATE  175                       112     63       60        
  SINCE MAR 1   1005                      1094    -89      942        
  SINCE JUL 1   4149                      4684   -535     4447        

 COOLING                                                              
  YESTERDAY        7                         3      4        9        
  MONTH TO DATE   28                        42    -14       75        
  SINCE MAR 1     31                        62    -31       97        
  SINCE JAN 1     31                        62    -31       97        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     N (350)       
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION     N (350)       
  AVERAGE WIND SPEED     4.8                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.7                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97          12:00 AM                                      
 LOWEST     44           4:00 PM                                      
 AVERAGE    71                                                        

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   77        90      1964                      
 MINIMUM TEMPERATURE (F)   54        36      1963                      


SUNRISE AND SUNSET                                                    
MAY 24 2020...........SUNRISE   5:50 AM EDT   SUNSET   8:24 PM EDT     
MAY 25 2020...........SUNRISE   5:49 AM EDT   SUNSET   8:25 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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