AFOS product CLIIAD
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CDUS41 KLWX 080530
CLIIAD

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 
130 AM EDT THU SEP 08 2022

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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR SEPTEMBER 7 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         77  12:02 PM  95    1983  82     -5       86        
                                      1985                           
  MINIMUM         68  10:14 PM  41    1976  61      7       58        
  AVERAGE         73                        72      1       72     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.62          1.11 2011   0.12   0.50     0.00     
  MONTH TO DATE    1.91                      0.85   1.06     1.99     
  SINCE SEP 1      1.91                      0.85   1.06     1.99     
  SINCE JAN 1     29.41                     30.07  -0.66    26.58     

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        8                         7      1        7        
  MONTH TO DATE   83                        54     29       37        
  SINCE SEP 1     83                        54     29       37        
  SINCE JAN 1   1261                      1110    151     1289        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    NE (60)        
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION    NE (60)        
  AVERAGE WIND SPEED     4.9                                        


SKY COVER                                                             
  AVERAGE SKY COVER 1.0                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97           5:00 AM                                      
 LOWEST     79          12:00 PM                                      
 AVERAGE    88                                                        

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   82        96      2016                      
 MINIMUM TEMPERATURE (F)   61        43      1984                      


SUNRISE AND SUNSET                                                    
SEPTEMBER  8 2022.....SUNRISE   6:45 AM EDT   SUNSET   7:29 PM EDT     
SEPTEMBER  9 2022.....SUNRISE   6:46 AM EDT   SUNSET   7:28 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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