AFOS product CLIIAD
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CDUS41 KLWX 070533
CLIIAD

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 
1233 AM EST WED DEC 07 2022

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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR DECEMBER 6 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         50  11:59 PM  79    1998  49      1       69        
  MINIMUM         28   1:05 AM   9    2002  31     -3       39        
  AVERAGE         39                        40     -1       54     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.04          1.03 2016   0.12  -0.08     0.00     
  MONTH TO DATE    0.37                      0.69  -0.32      T       
  SINCE DEC 1      0.37                      0.69  -0.32      T       
  SINCE JAN 1     36.18                     40.63  -4.45    34.50     

SNOWFALL (IN)                                                              
  YESTERDAY        0.0           1.0  2003   0.1   -0.1      0.0      
  MONTH TO DATE    0.0                       0.4   -0.4      0.0      
  SINCE DEC 1      0.0                       0.4   -0.4      0.0      
  SINCE JUL 1      T                         0.7   -0.7       T       
  SNOW DEPTH       0                                                 

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY       26                        25      1       11        
  MONTH TO DATE  152                       147      5      104        
  SINCE DEC 1    152                       147      5      104        
  SINCE JUL 1    986                      1047    -61      830        

 COOLING                                                              
  YESTERDAY        0                         0      0        0        
  MONTH TO DATE    0                         0      0        0        
  SINCE DEC 1      0                         0      0        0        
  SINCE JAN 1   1376                      1231    145     1480        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION     S (180)       
  HIGHEST GUST SPEED    15   HIGHEST GUST DIRECTION     S (180)       
  AVERAGE WIND SPEED     4.5                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.9                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93          11:00 PM                                      
 LOWEST     82           4:00 AM                                      
 AVERAGE    88                                                        

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   49        77      1998                      
 MINIMUM TEMPERATURE (F)   31         1      2002                      


SUNRISE AND SUNSET                                                    
DECEMBER  7 2022......SUNRISE   7:15 AM EST   SUNSET   4:47 PM EST     
DECEMBER  8 2022......SUNRISE   7:16 AM EST   SUNSET   4:47 PM EST     


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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