AFOS product CLIIAD
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CDUS41 KLWX 040521
CLIIAD

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 
121 AM EDT WED MAY 04 2022

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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 3 2022...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2022


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 YESTERDAY                                                           
  MAXIMUM         71   5:05 PM  92    1965  72     -1       74        
  MINIMUM         54  12:24 AM  32    1963  49      5       61        
                                      2005                           
  AVERAGE         63                        61      2       68     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.61          1.03 1984   0.14   0.47     0.08     
  MONTH TO DATE    0.85                      0.42   0.43     0.08     
  SINCE MAR 1      5.02                      7.39  -2.37     4.63     
  SINCE JAN 1     11.22                     12.94  -1.72    10.79     

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      3.5                       4.0   -0.5       T       
  SINCE JUL 1     15.8                      21.0   -5.2     12.0      
  SNOW DEPTH       0                                                 

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY        2                         6     -4        0        
  MONTH TO DATE   11                        18     -7        7        
  SINCE MAR 1    877                       985   -108      822        
  SINCE JUL 1   3951                      4495   -544     4015        

 COOLING                                                              
  YESTERDAY        0                         1     -1        3        
  MONTH TO DATE    1                         3     -2        6        
  SINCE MAR 1     15                        25    -10       32        
  SINCE JAN 1     15                        25    -10       32        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    SE (150)       
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION    SE (150)       
  AVERAGE WIND SPEED     6.4                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.7                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    96          11:00 PM                                      
 LOWEST     66           4:00 PM                                      
 AVERAGE    81                                                        

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   72        90      2001                      
                                             2018                     
 MINIMUM TEMPERATURE (F)   49        31      1967                      


SUNRISE AND SUNSET                                                    
MAY  4 2022...........SUNRISE   6:08 AM EDT   SUNSET   8:05 PM EDT     
MAY  5 2022...........SUNRISE   6:07 AM EDT   SUNSET   8:06 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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