AFOS product CLIIAD
Dates interpreted at 00:00 UTC
Download date range (UTC midnight)
Bulk Download
821 
CDUS41 KLWX 270524
CLIIAD

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 
124 AM EDT THU AUG 27 2020

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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR AUGUST 26 2020...

CLIMATE NORMAL PERIOD: 1981 TO 2010
CLIMATE RECORD PERIOD: 1960 TO 2020


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 YESTERDAY                                                           
  MAXIMUM         87   3:23 PM  95    1993  86      1       75        
                                      1998                           
                                      2016                           
  MINIMUM         69   5:58 AM  48    1977  63      6       60        
  AVERAGE         78                        74      4       68     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.00          1.48 1965   0.11  -0.11     0.00     
  MONTH TO DATE    5.59                      3.02   2.57     4.51     
  SINCE JUN 1     15.65                     10.67   4.98     9.68     
  SINCE JAN 1     32.17                     27.49   4.68    29.56     

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       T       
  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      5                        15    -10        9        
  SINCE JUL 1      0                         0      0        0        

 COOLING                                                              
  YESTERDAY       13                         9      4        3        
  MONTH TO DATE  342                       278     64      320        
  SINCE JUN 1   1116                       878    238     1020        
  SINCE JAN 1   1193                       970    223     1199        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     W (290)       
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION     W (290)       
  AVERAGE WIND SPEED     7.4                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.4                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  NO SIGNIFICANT WEATHER WAS OBSERVED.                                  


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    87           4:00 AM                                      
 LOWEST     45           3:00 PM                                      
 AVERAGE    66                                                        

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   86       100      1987                      
 MINIMUM TEMPERATURE (F)   63        46      1969                      


SUNRISE AND SUNSET                                                    
AUGUST 27 2020........SUNRISE   6:35 AM EDT   SUNSET   7:47 PM EDT     
AUGUST 28 2020........SUNRISE   6:36 AM EDT   SUNSET   7:45 PM EDT     


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




$$