AFOS product CLIIAD
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CLIIAD

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 
122 AM EDT THU APR 28 2022

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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 27 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         62   3:26 PM  92    1990  71     -9       85        
                                      2009                           
  MINIMUM         43  11:59 PM  31    1972  47     -4       42        
                                      1987                           
  AVERAGE         53                        59     -6       64     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.00          1.65 1973   0.13  -0.13     0.00     
  MONTH TO DATE    2.25                      3.08  -0.83     2.22     
  SINCE MAR 1      4.17                      6.58  -2.41     4.49     
  SINCE JAN 1     10.37                     12.13  -1.76    10.65     

SNOWFALL (IN)                                                              
  YESTERDAY        0.0           T    1994   0.0    0.0      0.0      
  MONTH TO DATE    T                         0.1   -0.1       T       
  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       12                         7      5        1        
  MONTH TO DATE  300                       300      0      296        
  SINCE MAR 1    823                       947   -124      811        
  SINCE JUL 1   3897                      4457   -560     4004        

 COOLING                                                              
  YESTERDAY        0                         1     -1        0        
  MONTH TO DATE   11                        16     -5        5        
  SINCE MAR 1     14                        18     -4        9        
  SINCE JAN 1     14                        18     -4        9        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION    NW (300)       
  HIGHEST GUST SPEED    35   HIGHEST GUST DIRECTION    NW (310)       
  AVERAGE WIND SPEED    14.9                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.3                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  NO SIGNIFICANT WEATHER WAS OBSERVED.                                  


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    59          12:00 AM                                      
 LOWEST     27           5:00 PM                                      
 AVERAGE    43                                                        

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   71        88      1981                      
                                             1983                     
                                             1990                     
 MINIMUM TEMPERATURE (F)   48        32      1972                      
                                             1993                     


SUNRISE AND SUNSET                                                    
APRIL 28 2022.........SUNRISE   6:16 AM EDT   SUNSET   8:00 PM EDT     
APRIL 29 2022.........SUNRISE   6:14 AM EDT   SUNSET   8:01 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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