AFOS product CLIIAD
Dates interpreted at 00:00 UTC
Download date range (UTC midnight)
Bulk Download
229 
CDUS41 KLWX 080526
CLIIAD

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 
126 AM EDT WED JUL 08 2020

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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JULY 7 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         89   4:16 PM 101    1988  88      1       89        
                                      2010                           
                                      2012                           
  MINIMUM         69   5:31 AM  47    1970  65      4       72        
  AVERAGE         79                        77      2       81     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.62          1.59 2005   0.11   0.51      T       
  MONTH TO DATE    1.30                      0.84   0.46     0.23     
  SINCE JUN 1      6.51                      4.82   1.69     2.67     
  SINCE JAN 1     23.03                     21.64   1.39    22.55     

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       14                        12      2       16        
  MONTH TO DATE  107                        79     28      103        
  SINCE JUN 1    380                       316     64      359        
  SINCE JAN 1    457                       408     49      538        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     S (190)       
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     S (190)       
  AVERAGE WIND SPEED     4.4                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.8                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           1:00 AM                                      
 LOWEST     61           4:00 PM                                      
 AVERAGE    77                                                        

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   88       101      2012                      
 MINIMUM TEMPERATURE (F)   65        48      1983                      
                                             1984                     


SUNRISE AND SUNSET                                                    
JULY  8 2020..........SUNRISE   5:52 AM EDT   SUNSET   8:37 PM EDT     
JULY  9 2020..........SUNRISE   5:53 AM EDT   SUNSET   8:37 PM EDT     


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




$$