AFOS product CLIIAD
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CDUS41 KLWX 020536
CLIIAD

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 
1236 AM EST THU JAN 02 2025

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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 1 2025...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 YESTERDAY                                                           
  MAXIMUM         49  12:41 PM  68    2005  43      6       43        
  MINIMUM         37  11:59 PM  -6    1968  27     10       35        
  AVERAGE         43                        35      8       39     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.00          1.73 2003   0.09  -0.09     0.01     
  MONTH TO DATE    0.00                      0.09  -0.09     0.01     
  SINCE DEC 1      3.34                      3.39  -0.05     5.76     
  SINCE JAN 1      0.00                      0.09  -0.09     0.01     

SNOWFALL (IN)                                                              
  YESTERDAY        0.0           6.9  1971   0.1   -0.1       T       
  MONTH TO DATE    0.0                       0.1   -0.1       T       
  SINCE DEC 1      0.1                       2.9   -2.8      0.5      
  SINCE JUL 1      0.1                       3.2   -3.1      0.5      
  SNOW DEPTH       0                                                 

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY       22                        30     -8       26        
  MONTH TO DATE   22                        30     -8       26        
  SINCE DEC 1    851                       875    -24      701        
  SINCE JUL 1   1519                      1775   -256     1472        

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


WIND (MPH)                                                            
  HIGHEST WIND SPEED    32   HIGHEST WIND DIRECTION    NW (300)       
  HIGHEST GUST SPEED    48   HIGHEST GUST DIRECTION    NW (330)       
  AVERAGE WIND SPEED    15.9                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.7                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  FOG                                                                 
  FOG W/VISIBILITY <= 1/4 MILE                                        


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100          12:00 AM                                      
 LOWEST     46           2:00 PM                                      
 AVERAGE    73                                                        

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   43        67      2000                      
 MINIMUM TEMPERATURE (F)   26        -7      1968                      


SUNRISE AND SUNSET                                                    
JANUARY  2 2025.......SUNRISE   7:29 AM EST   SUNSET   5:00 PM EST     
JANUARY  3 2025.......SUNRISE   7:29 AM EST   SUNSET   5:00 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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