AFOS product CLIIAD
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CDUS41 KLWX 150523
CLIIAD

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 
123 AM EDT SUN MAY 15 2022

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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 14 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         74  12:27 PM  89    2010  75     -1       74        
  MINIMUM         63  10:48 PM  32    1996  52     11       39        
                                      2013                           
  AVERAGE         69                        64      5       57     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.02          1.87 2018   0.16  -0.14     0.00     
  MONTH TO DATE    3.72                      2.06   1.66     1.02     
  SINCE MAR 1      7.89                      9.03  -1.14     5.57     
  SINCE JAN 1     14.09                     14.58  -0.49    11.73     

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 MAR 1      3.5                       4.0   -0.5       T       
  SINCE JUL 1     15.8                      21.0   -5.2     12.0      
  SNOW DEPTH       0                                                 

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY        0                         4     -4        8        
  MONTH TO DATE   74                        69      5       97        
  SINCE MAR 1    940                      1036    -96      912        
  SINCE JUL 1   4014                      4546   -532     4105        

 COOLING                                                              
  YESTERDAY        4                         2      2        0        
  MONTH TO DATE   13                        24    -11       17        
  SINCE MAR 1     27                        46    -19       43        
  SINCE JAN 1     27                        46    -19       43        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION    SE (120)       
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION     E (100)       
  AVERAGE WIND SPEED     4.9                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.9                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97          10:00 PM                                      
 LOWEST     76           1:00 PM                                      
 AVERAGE    87                                                        

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   75        90      1962                      
 MINIMUM TEMPERATURE (F)   53        37      1984                      
                                             2016                     


SUNRISE AND SUNSET                                                    
MAY 15 2022...........SUNRISE   5:57 AM EDT   SUNSET   8:16 PM EDT     
MAY 16 2022...........SUNRISE   5:56 AM EDT   SUNSET   8:17 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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