AFOS product CLIIAD
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CDUS41 KLWX 040523
CLIIAD

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 
1223 AM EST FRI FEB 04 2022

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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR FEBRUARY 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         55  11:59 PM  67    2020  44     11       41        
  MINIMUM         40   3:10 AM   1    1965  25     15       31        
  AVERAGE         48                        34     14       36     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.61          1.33 2014   0.09   0.52      T       
  MONTH TO DATE    0.61                      0.28   0.33     0.23     
  SINCE DEC 1      4.97                      6.52  -1.55     7.92     
  SINCE JAN 1      4.51                      3.22   1.29     2.11     

SNOWFALL (IN)                                                              
  YESTERDAY        0.0           3.5  1996   0.3   -0.3       T       
  MONTH TO DATE    0.0                       0.9   -0.9      2.7      
  SINCE DEC 1     11.4                      10.6    0.8      8.3      
  SINCE JUL 1     11.4                      10.9    0.5      8.3      
  SNOW DEPTH       0                                                 

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY       17                        31    -14       29        
  MONTH TO DATE   81                        93    -12       95        
  SINCE DEC 1   1728                      1902   -174     1801        
  SINCE JUL 1   2454                      2802   -348     2468        

 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    10   HIGHEST WIND DIRECTION     S (200)       
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION    SE (150)       
  AVERAGE WIND SPEED     4.1                                        


SKY COVER                                                             
  AVERAGE SKY COVER 1.0                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97           6:00 PM                                      
 LOWEST     79          12:00 AM                                      
 AVERAGE    88                                                        

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   44        70      1991                      
 MINIMUM TEMPERATURE (F)   25         4      1965                      
                                             1996                     


SUNRISE AND SUNSET                                                    
FEBRUARY  4 2022......SUNRISE   7:13 AM EST   SUNSET   5:35 PM EST     
FEBRUARY  5 2022......SUNRISE   7:12 AM EST   SUNSET   5:36 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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