743  
CDUS41 KLWX 062123  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
523 PM EDT SAT MAY 06 2023  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 6 2023
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 75 3:46 PM 90 1986 73 2 62  
MINIMUM 43 4:59 AM 36 1968 50 -7 52  
AVERAGE 59 61 -2 57  
 
PRECIPITATION (IN)  
TODAY 0.00 1.18 2022 0.15 -0.15 1.18  
MONTH TO DATE 0.09 0.86 -0.77 2.66  
SINCE MAR 1 4.96 7.83 -2.87 6.83  
SINCE JAN 1 8.59 13.38 -4.79 13.03  
 
SNOWFALL (IN)  
TODAY 0.0 MM MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE MAR 1 T 4.0 -4.0 3.5  
SINCE JUL 1 0.4 21.0 -20.6 15.8  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 6 5 1 8  
MONTH TO DATE 66 34 32 21  
SINCE MAR 1 849 1001 -152 887  
SINCE JUL 1 3803 4511 -708 3961  
 
COOLING  
TODAY 0 2 -2 0  
MONTH TO DATE 0 8 -8 5  
SINCE MAR 1 45 30 15 19  
SINCE JAN 1 45 30 15 19    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 2.6  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 4:00 AM  
LOWEST 34 4:00 PM  
AVERAGE 62  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 90 1986  
2000  
MINIMUM TEMPERATURE (F) 50 28 1970  
 
SUNRISE AND SUNSET  
MAY 6 2023...........SUNRISE 6:06 AM EDT SUNSET 8:07 PM EDT  
MAY 7 2023...........SUNRISE 6:05 AM EDT SUNSET 8:08 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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