AFOS product CLIIAD
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178 
CDUS41 KLWX 160525
CLIIAD

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 
125 AM EDT MON MAR 16 2020

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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MARCH 15 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         49   5:13 PM  84    2012  55     -6       77        
  MINIMUM         32  11:59 PM  -1    1993  33     -1       53        
  AVERAGE         41                        44     -3       65     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.06          0.89 1967   0.11  -0.05     0.00     
  MONTH TO DATE    0.58                      1.47  -0.89     1.80     
  SINCE MAR 1      0.58                      1.47  -0.89     1.80     
  SINCE JAN 1      7.15                      6.89   0.26     9.26     

SNOWFALL (IN)                                                              
  YESTERDAY        0.0           1.4  1999   0.1   -0.1      0.0      
  MONTH TO DATE    T                         1.8   -1.8      1.6      
  SINCE MAR 1      T                         1.8   -1.8      1.6      
  SINCE JUL 1      2.9                      20.7  -17.8     26.5      

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY       24                        21      3        0        
  MONTH TO DATE  237                       353   -116      368        
  SINCE MAR 1    237                       353   -116      368        
  SINCE JUL 1   3381                      3943   -562     3873        

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


WIND (MPH)                                                            
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION    NE (30)        
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION    NE (30)        
  AVERAGE WIND SPEED     5.0                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.8                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           4:00 AM                                      
 LOWEST     56           5:00 PM                                      
 AVERAGE    75                                                        

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   55        81      1990                      
 MINIMUM TEMPERATURE (F)   33        16      1969                      


SUNRISE AND SUNSET                                                    
MARCH 16 2020.........SUNRISE   7:19 AM EDT   SUNSET   7:18 PM EDT     
MARCH 17 2020.........SUNRISE   7:17 AM EDT   SUNSET   7:19 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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