AFOS product CLIIAD
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CDUS41 KLWX 100522
CLIIAD

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 
122 AM EDT SAT SEP 10 2022

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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR SEPTEMBER 9 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         83   3:11 PM  98    2016  82      1       80        
  MINIMUM         58   5:08 AM  40    1986  61     -3       60        
  AVERAGE         71                        71      0       70     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.00          1.40 2018   0.13  -0.13     0.43     
  MONTH TO DATE    1.91                      1.10   0.81     2.43     
  SINCE SEP 1      1.91                      1.10   0.81     2.43     
  SINCE JAN 1     29.41                     30.32  -0.91    27.02     

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 SEP 1      0.0                       0.0    0.0      0.0      
  SINCE JUL 1      0.0                       0.0    0.0      0.0      
  SNOW DEPTH       0                                                 

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY        0                         0      0        0        
  MONTH TO DATE    0                         0      0        0        
  SINCE SEP 1      0                         0      0        0        
  SINCE JUL 1      0                         1     -1        0        

 COOLING                                                              
  YESTERDAY        6                         7     -1        5        
  MONTH TO DATE   96                        68     28       55        
  SINCE SEP 1     96                        68     28       55        
  SINCE JAN 1   1274                      1124    150     1307        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    NE (50)        
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION     E (70)        
  AVERAGE WIND SPEED     4.4                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.2                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  FOG                                                                 


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97           6:00 AM                                      
 LOWEST     37           5:00 PM                                      
 AVERAGE    67                                                        

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   82        99      1983                      
 MINIMUM TEMPERATURE (F)   60        43      1981                      


SUNRISE AND SUNSET                                                    
SEPTEMBER 10 2022.....SUNRISE   6:47 AM EDT   SUNSET   7:26 PM EDT     
SEPTEMBER 11 2022.....SUNRISE   6:48 AM EDT   SUNSET   7:24 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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