AFOS product CLIIAD
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CDUS41 KLWX 220528
CLIIAD

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 
128 AM EDT FRI JUL 22 2022

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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JULY 21 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         92  11:26 AM 101    1991  88      4       90        
  MINIMUM         75  11:59 PM  48    1966  67      8       69        
  AVERAGE         84                        78      6       80     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.11          5.02 2018   0.13  -0.02      T       
  MONTH TO DATE    4.23                      2.87   1.36     2.40     
  SINCE JUN 1      6.98                      7.17  -0.19     6.05     
  SINCE JAN 1     24.20                     24.41  -0.21    19.63     

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 JUN 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 JUN 1      0                        13    -13        6        
  SINCE JUL 1      0                         0      0        0        

 COOLING                                                              
  YESTERDAY       19                        12      7       15        
  MONTH TO DATE  274                       250     24      293        
  SINCE JUN 1    511                       488     23      587        
  SINCE JAN 1    640                       594     46      696        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     S (180)       
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION     S (170)       
  AVERAGE WIND SPEED     6.1                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.5                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    88           9:00 PM                                      
 LOWEST     54          11:00 AM                                      
 AVERAGE    71                                                        

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   88       105      2011                      
 MINIMUM TEMPERATURE (F)   67        50      1974                      


SUNRISE AND SUNSET                                                    
JULY 22 2022..........SUNRISE   6:02 AM EDT   SUNSET   8:30 PM EDT     
JULY 23 2022..........SUNRISE   6:03 AM EDT   SUNSET   8:29 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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