AFOS product CLIIAD
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CDUS41 KLWX 200522
CLIIAD

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 
122 AM EDT FRI MAY 20 2022

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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 19 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         84   4:20 PM  92    1996  76      8       85        
                                      1997                           
  MINIMUM         60   6:35 AM  36    2002  54      6       50        
  AVERAGE         72                        65      7       68     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.06          1.18 1988   0.15  -0.09     0.00     
  MONTH TO DATE    4.20                      2.83   1.37     1.03     
  SINCE MAR 1      8.37                      9.80  -1.43     5.58     
  SINCE JAN 1     14.57                     15.35  -0.78    11.74     

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                         3     -3        0        
  MONTH TO DATE   75                        87    -12      117        
  SINCE MAR 1    941                      1054   -113      932        
  SINCE JUL 1   4015                      4564   -549     4125        

 COOLING                                                              
  YESTERDAY        7                         3      4        3        
  MONTH TO DATE   35                        38     -3       20        
  SINCE MAR 1     49                        60    -11       46        
  SINCE JAN 1     49                        60    -11       46        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION    NW (300)       
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION     W (290)       
  AVERAGE WIND SPEED     6.8                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.7                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  LIGHT RAIN                                                          


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           4:00 AM                                      
 LOWEST     36           5:00 PM                                      
 AVERAGE    65                                                        

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   76        93      1996                      
 MINIMUM TEMPERATURE (F)   54        36      2002                      


SUNRISE AND SUNSET                                                    
MAY 20 2022...........SUNRISE   5:53 AM EDT   SUNSET   8:20 PM EDT     
MAY 21 2022...........SUNRISE   5:52 AM EDT   SUNSET   8:21 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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