AFOS product CLIIAD
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CDUS41 KLWX 170521
CLIIAD

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 
121 AM EDT SUN APR 17 2022

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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 16 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         79   3:19 PM  91    2002  67     12       59        
  MINIMUM         56  11:59 PM  28    1981  43     13       35        
  AVERAGE         68                        55     13       47     

PRECIPITATION (IN)                                                    
  YESTERDAY        T             2.43 1993   0.11  -0.11     0.00     
  MONTH TO DATE    1.67                      1.76  -0.09     1.51     
  SINCE MAR 1      3.59                      5.26  -1.67     3.78     
  SINCE JAN 1      9.79                     10.81  -1.02     9.94     

SNOWFALL (IN)                                                              
  YESTERDAY        0.0           T    1988   0.0    0.0      0.0      
  MONTH TO DATE    0.0                       0.1   -0.1       T       
  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                        10    -10       18        
  MONTH TO DATE  186                       206    -20      167        
  SINCE MAR 1    709                       853   -144      682        
  SINCE JUL 1   3783                      4363   -580     3875        

 COOLING                                                              
  YESTERDAY        3                         1      2        0        
  MONTH TO DATE    8                         5      3        5        
  SINCE MAR 1     11                         7      4        9        
  SINCE JAN 1     11                         7      4        9        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    26   HIGHEST WIND DIRECTION     N (360)       
  HIGHEST GUST SPEED    36   HIGHEST GUST DIRECTION     N (360)       
  AVERAGE WIND SPEED    12.0                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.7                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    60          11:00 PM                                      
 LOWEST     26           2:00 PM                                      
 AVERAGE    43                                                        

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   68        93      2002                      
 MINIMUM TEMPERATURE (F)   44        27      1983                      


SUNRISE AND SUNSET                                                    
APRIL 17 2022.........SUNRISE   6:30 AM EDT   SUNSET   7:49 PM EDT     
APRIL 18 2022.........SUNRISE   6:29 AM EDT   SUNSET   7:50 PM EDT     


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




$$