094  
CDUS41 KLWX 262126  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
525 PM EDT SUN MAY 26 2019  
 
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 26 2019
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1960 TO 2019  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 90 359 PM 92 2007 78 12 88  
MINIMUM 64 537 AM 38 1967 54 10 71  
AVERAGE 77 66 11 80  
 
PRECIPITATION (IN)  
TODAY 0.00 3.59 2009 0.14 -0.14 T  
MONTH TO DATE 4.36 3.79 0.57 6.50  
SINCE MAR 1 11.73 10.64 1.09 11.84  
SINCE JAN 1 19.19 16.06 3.13 18.23  
 
SNOWFALL (IN)  
TODAY 0.0 MM MM 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0  
SINCE JUL 1 26.5 22.0 4.5  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 3 -3 0  
MONTH TO DATE 60 121 -61 21  
SINCE MAR 1 942 1103 -161 1210  
SINCE JUL 1 4447 4693 -246 4561  
 
COOLING  
TODAY 12 4 8 15  
MONTH TO DATE 101 52 49 128  
SINCE MAR 1 123 72 51 143  
SINCE JAN 1 123 72 51 148    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 5.2  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 200 AM  
LOWEST 44 200 PM  
AVERAGE 72  
   
......................................................
 
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 92 2010  
1965  
MINIMUM TEMPERATURE (F) 55 37 1972  
 
 
SUNRISE AND SUNSET  
MAY 26 2019...........SUNRISE 549 AM EDT SUNSET 825 PM EDT  
MAY 27 2019...........SUNRISE 549 AM EDT SUNSET 826 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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