088  
CDUS41 KLWX 072126  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
425 PM EST WED NOV 7 2018  
 
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR NOVEMBER 7 2018
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1960 TO 2018  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 61 954 AM 74 1965 61 0 51  
MINIMUM 41 547 AM 22 1991 38 3 39  
1982  
AVERAGE 51 49 2 45  
 
PRECIPITATION (IN)  
TODAY 0.00 2.31 1997 0.11 -0.11 0.92  
MONTH TO DATE 2.82 0.82 2.00 1.62  
SINCE SEP 1 12.86 7.99 4.87 6.52  
SINCE JAN 1 56.12 35.99 20.13 39.52  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 2002 0.0 0.0  
2001  
MONTH TO DATE 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 14 16 -2 20  
MONTH TO DATE 80 104 -24 69  
SINCE SEP 1 376 458 -82 289  
SINCE JUL 1 376 460 -84 290  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 1  
SINCE SEP 1 338 160 178 220  
SINCE JAN 1 1522 1176 346 1281    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 3.7  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1200 AM  
LOWEST 46 1100 AM  
AVERAGE 73  
   
......................................................
 
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 61 77 1987  
1975  
MINIMUM TEMPERATURE (F) 37 18 1967  
 
 
SUNRISE AND SUNSET  
NOVEMBER 7 2018......SUNRISE 644 AM EST SUNSET 503 PM EST  
NOVEMBER 8 2018......SUNRISE 645 AM EST SUNSET 502 PM EST  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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