AFOS product CLIIAD
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CDUS41 KLWX 070523
CLIIAD

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 
123 AM EDT TUE APR 07 2020

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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 6 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         70   3:24 PM  93    2010  64      6       69        
  MINIMUM         45  10:21 PM  24    1966  39      6       43        
                                      2016                           
  AVERAGE         58                        51      7       56     

PRECIPITATION (IN)                                                    
  YESTERDAY        T             1.57 2017   0.12  -0.12     0.00     
  MONTH TO DATE    T                         0.72  -0.72     0.35     
  SINCE MAR 1      1.99                      4.10  -2.11     4.90     
  SINCE JAN 1      8.56                      9.52  -0.96    12.36     

SNOWFALL (IN)                                                              
  YESTERDAY        0.0           2.7  1990   0.0    0.0      0.0      
  MONTH TO DATE    0.0                       0.1   -0.1      0.0      
  SINCE MAR 1      T                         2.9   -2.9      1.6      
  SINCE JUL 1      2.9                      21.8  -18.9     26.5      
  SNOW DEPTH       0                                                 

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY        7                        14     -7        9        
  MONTH TO DATE   68                        89    -21      108        
  SINCE MAR 1    516                       736   -220      792        
  SINCE JUL 1   3660                      4326   -666     4297        

 COOLING                                                              
  YESTERDAY        0                         0      0        0        
  MONTH TO DATE    0                         0      0        0        
  SINCE MAR 1      3                         3      0        0        
  SINCE JAN 1      3                         3      0        0        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     N (350)       
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION     N (10)        
  AVERAGE WIND SPEED     4.6                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.5                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  LIGHT RAIN                                                          


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90           5:00 AM                                      
 LOWEST     20           2:00 PM                                      
 AVERAGE    55                                                        

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   64        91      2010                      
 MINIMUM TEMPERATURE (F)   40        21      1977                      


SUNRISE AND SUNSET                                                    
APRIL  7 2020.........SUNRISE   6:44 AM EDT   SUNSET   7:40 PM EDT     
APRIL  8 2020.........SUNRISE   6:43 AM EDT   SUNSET   7:41 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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