AFOS product CLIIAD
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CDUS41 KLWX 020521
CLIIAD

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 
121 AM EDT MON MAY 02 2022

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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 1 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         64  11:29 AM  90    2010  72     -8       69        
  MINIMUM         48   3:26 AM  33    1996  48      0       46        
  AVERAGE         56                        60     -4       58     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.24          1.42 1981   0.14   0.10     0.00     
  MONTH TO DATE    0.24                      0.14   0.10     0.00     
  SINCE MAR 1      4.41                      7.11  -2.70     4.55     
  SINCE JAN 1     10.61                     12.66  -2.05    10.71     

SNOWFALL (IN)                                                              
  YESTERDAY        0.0           T    1963   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        9                         6      3        7        
  MONTH TO DATE    9                         6      3        7        
  SINCE MAR 1    875                       973    -98      822        
  SINCE JUL 1   3949                      4483   -534     4015        

 COOLING                                                              
  YESTERDAY        0                         1     -1        0        
  MONTH TO DATE    0                         1     -1        0        
  SINCE MAR 1     14                        23     -9       26        
  SINCE JAN 1     14                        23     -9       26        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION    SE (130)       
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION    SE (130)       
  AVERAGE WIND SPEED     4.9                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.8                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90          11:00 PM                                      
 LOWEST     62          10:00 AM                                      
 AVERAGE    76                                                        

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   72        88      1992                      
                                             2010                     
                                             2018                     
 MINIMUM TEMPERATURE (F)   49        34      1960                      
                                             1979                     


SUNRISE AND SUNSET                                                    
MAY  2 2022...........SUNRISE   6:11 AM EDT   SUNSET   8:03 PM EDT     
MAY  3 2022...........SUNRISE   6:09 AM EDT   SUNSET   8:04 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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