AFOS product CLIIAD
Dates interpreted at 00:00 UTC
Download date range (UTC midnight)
Bulk Download Bulk Download
413 
CDUS41 KLWX 280534
CLIIAD

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 
134 AM EDT WED JUN 28 2023

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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JUNE 27 2023...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2023


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 YESTERDAY                                                           
  MAXIMUM         86  11:33 AM 100    1964  86      0       83        
  MINIMUM         68   5:51 AM  44    1979  65      3       67        
  AVERAGE         77                        76      1       75     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.35          1.47 2006   0.14   0.21     0.05     
                                      2015                           
  MONTH TO DATE    1.96                      3.88  -1.92     2.75     
  SINCE JUN 1      1.96                      3.88  -1.92     2.75     
  SINCE JAN 1     11.94                     21.12  -9.18    19.97     

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      0.0      
  SINCE JUL 1      0.4                      21.0  -20.6     15.8      
  SNOW DEPTH       0                                                 

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY        0                         0      0        0        
  MONTH TO DATE    5                        11     -6        0        
  SINCE JUN 1      5                        11     -6        0        
  SINCE JUL 1   3852                      4603   -751     4023        

 COOLING                                                              
  YESTERDAY       12                        11      1       10        
  MONTH TO DATE  154                       205    -51      216        
  SINCE JUN 1    154                       205    -51      216        
  SINCE JAN 1    228                       311    -83      345        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    32   HIGHEST WIND DIRECTION     W (290)       
  HIGHEST GUST SPEED    39   HIGHEST GUST DIRECTION    NW (320)       
  AVERAGE WIND SPEED     6.8                                        


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    87           4:00 AM                                      
 LOWEST     48          11:00 AM                                      
 AVERAGE    68                                                        

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   86        97      1966                      
 MINIMUM TEMPERATURE (F)   65        44      1970                      


SUNRISE AND SUNSET                                                    
JUNE 28 2023..........SUNRISE   5:47 AM EDT   SUNSET   8:39 PM EDT     
JUNE 29 2023..........SUNRISE   5:47 AM EDT   SUNSET   8:39 PM EDT     


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




$$